Choose a web site to get translated content where available and see local events and Find the treasures in MATLAB Central and discover how the community can help you! Choose a web site to get translated content where available and see local events and offers. Hi every one, I have a matrix A=1180. 0.9293 0.2265 0.4353 0.6769 0.2335 offers. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. For me, it works well in R2014a. For example, if you want to replace all your NaNs with zeros, you can write the following. Accepted Answer: njj1. Find the treasures in MATLAB Central and discover how the community can help you! Find the treasures in MATLAB Central and discover how the community can help you! 9 5 7 3 8 10 2 1 4 6. Learn more about array, categorical, undefined MATLAB. https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#answer_95031, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#comment_165844, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#comment_460746, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#comment_481686, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#comment_516674, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#comment_857023, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#answer_385421, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#answer_861260, https://www.mathworks.com/matlabcentral/answers/85568-how-to-convert-nan-to-zero#comment_1903000. Based on Thanks for any help ! Thanks for any help ! Find the treasures in MATLAB Central and discover how the community can help you! Here NaN values are replaced by 0s but you can easily modify it in the 8th line of this code: % Save existing data in ith row of m_data, %Substitute matrix/ taking only non-NaN values, %Erase all existing values in ith row of m_data and REPLACE by 0s, You may receive emails, depending on your. The variable mask is literally defined in the first out of the two lines. Learn more about array, categorical, undefined MATLAB. It is telling me that c exceeds array bounds. That is the important point. Other MathWorks country matlab. In case if you didnt notice mine has clear all at the very beginning which is used to clear the variables from the workspace in case if you have any variable named isnan it will be cleared , this is one way of clearing the error. your location, we recommend that you select: . (0) I have the same question (0) Answers (1) Cris LaPierre 21 minuti ago. I have a matrix of 361*181 dimention, which contain NaN and some values. Learn more about matlab MATLAB It replaces NaN s with blanks itself. This array is then used to index the original array. I want to replace those NaN values with 0, I have tried A(isnan(A))=0; command but is showing error. 0.6544 0.5207 0.1999 0.3623 0.0036, 0.9293 0.2265 0.4353 0.6769 0.2335 You only need to enter the matrix with NaN values without specifying the columns where NaN values are. Type in command window the following and paste the output here, built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@double/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint8/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint16/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint32/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint64/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int8/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int16/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int32/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int64/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@single/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@char/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@logical/isnan), /usr/local/MATLAB/R2015b/toolbox/matlab/timefun/@duration/isnan.m, /usr/local/MATLAB/R2015b/toolbox/matlab/timefun/@calendarDuration/isnan.m, /usr/local/MATLAB/R2015b/toolbox/symbolic/symbolic/@sym/isnan.m, /usr/local/MATLAB/R2015b/toolbox/ident/ident/@iddata/isnan.m, /usr/local/MATLAB/R2015b/toolbox/ident/nlident/@idnlmodel/isnan.m, /usr/local/MATLAB/R2015b/toolbox/ident/nlident/@idnlgrey/isnan.m, /usr/local/MATLAB/R2015b/toolbox/distcomp/parallel/@codistributed/isnan.m, /usr/local/MATLAB/R2015b/toolbox/distcomp/gpu/@gpuArray/isnan.m. Copy. I have a matrix of 361*181 dimention, which contain NaN and some values. I want to replace those NaN values with 0, I have tried A(isnan(A))=0; command but is showing error. MathWorks is the leading developer of mathematical computing software for engineers and scientists. nc files those for marine physics not all of variables are apear, If you want to replace the nan values by 0 for example, it works with me but i still have undefined variables, what to do if we want to replace nan values by some numeric values i have patient ids like this HC01MI and i want to give some random numeric values to these ids. 0 0 0.3524 0.9278 0.9782 Faster and easier than loops. Based on the question is what should i do to import the numerical matrix into NaN matrix ? Show Hide -1 older . How can I replace all NaN in an array in matlab? The first column consists of text, the second column consists of numbers. I want to replace all NaN value with some infinite value. (0) I have the same question (0) Answers (1) Cris LaPierre 20 Minuten ago. Follow. Thanks for any help ! See the "Table with Multiple Data Types" example on that documentation page for a demonstration of how to replace NaN values with 0. My code is shown below: Z= NaN NaN 23.0490 2.8444 -Inf NaN NaN 19.0081 5.1412 39.4275 6.3174 -Inf NaN NaN 19.0081 5.1412 28.2539 9.3265 37.7239 11.9736 -16.4239 9.3265 -8.2900 -25.6488 NaN NaN. Another simple way to understand what's going on . Copy. your location, we recommend that you select: . s1=size (m_data,1); for i= 1: s1. sites are not optimized for visits from your location. 0.6544 0.5207 0.1999 0.3623 0.0036, 0.9293 0.2265 0.4353 0.6769 0.2335 Find the treasures in MATLAB Central and discover how the community can help you! how to replace NaN values with zero?. Show Hide . MathWorks is the leading developer of mathematical computing software for engineers and scientists. %Input. i have a NaN values in the matrix those i can not importing a numerical values in it the undefined variable error is appear. Hello, I have a matrix of 361*181 dimention, which contain NaN and some values. I like to replace NaNs with the previous values. m_data=C {1,1}; % Matrix with NaN values. Any guidance will be appreciated thanks. Based on Other MathWorks country You only need to enter the matrix with NaN values without specifying the columns where NaN values are. . Learn more about matlab MATLAB a = log10 ( [30 40 0 60]) => [1.4771 1.6021 -Inf 1.7782] I can use finite or find function to find the index/position of the valid values but I don't know how to copy the values correctly without writing a function. https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_205923, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_205925, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_205926, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_205929, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#answer_131979, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_205932, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_323464, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_568315, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#comment_840843, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#answer_405145, https://www.mathworks.com/matlabcentral/answers/124368-replace-nan-values-with-numericl-values#answer_412440. Peter Perkins on 14 May 2018. https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#answer_470833, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#answer_470824, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#comment_949684, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#comment_949729, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#answer_470827, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#comment_949711, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#comment_949723, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#comment_2309745, https://in.mathworks.com/matlabcentral/answers/570517-replacing-nan-with-0#comment_2309830. For those column you will have to choose an appropriate default value. 0.3526 0.6221 0.5509 0.6242 0.4922 Reload the page to see its updated state. how to replace NaN values with zero?. (0) I have the same question (0) Answers (5) Moshe Flam on 3 Dec 2017. Reload the page to see its updated state. 0.8690 0.6174 0.6444 0.7184 0.1279 How about this: cellfun(@(x) nansum(x,ndims(x)+1), raw_data, 'UniformOutput', false) Note if you're certain you'll only have 2D matrices in raw_data you can replace the ndims(x)+1 with 3.. Accelerating the pace of engineering and science. Well its assumed that c was within the bounds. Accelerating the pace of engineering and science. Weiter zum Inhalt. Learn more about nan, zeros, replace, matrix, cell, basic, beginner, replacement, remove, tables, format . I need to replace all the zeros by NaN, noted that zeros are also randomly distributed in matrix A. I have tried for loop but do not get the desired result. Replace NaN's in table with zero. s1=size (m_data,1); for i= 1: s1. 0.6769 0.2335 NaN NaN 0.3524 0.9278 0.9782 0.3526 0.6221 0.5509 0.6242 NaN 0.8690 0.6174 0.6444 0.7184 0.1279 0.6544 0.5207 0.1999 0.3623 0.0036 . _ ____ _____ ___ _____ _____ ____ _____ _____ 17-Aug-2016 05:34:44 81.51 78.1 74.05 4.2 245.25 29.848 0 12460 None 17-Aug-2016 05:34:45 81.5 78 74 4 247.5 29.848 0 49020 None 17-Aug . Use table2cell or the combination of table2array and num2cell to convert your table to a cell array first. Accelerating the pace of engineering and science. Learn more about array, categorical, undefined MATLAB. Cambiar a Navegacin Principal. if you're working with time-series data then you can use Matlab's built in interpolation function. Accelerating the pace of engineering and science. Might happen that your isnan is somehow a variable maybe try the following: By the way there is no difference between your code and mine. How do I replace (or remove) <undefined> with NaN in a categorical array ? I have a 435x2 cell with text and numbers called "Data". Hi every one, I have a matrix A=1180. Start Hunting! The idea is to use nansum to sum along the 3rd dimension as this will preserve the shape of the first 2 dimensions and luckily nansum seems to convert NaN to 0 when all the elements being summed are NaN Accelerating the pace of engineering and science. I have this error Undefined function 'isnan' for input arguments of type 'table'. Learn more about nan, matrix manipulation MATLAB. The first line returns a logical array (1's and 0's) with the same size as the original array. Choose a web site to get translated content where available and see local events and Vote. 0.3526 0.6221 0.5509 0.6242 NaN All values of matrix A are either zeros or negative numbers. I want to replace those NaN values with 0, I have tried A(isnan(A))=0; command but is . Reload the page to see its updated state. . I have the same . I don't see how that is possible. NaN NaN 0.3524 0.9278 0.9782 Unable to complete the action because of changes made to the page. Theme. Replace NaNs with previous values. I would like to replace all NaNs using some sort of interpolat. You assigned something to isnan at some point, which damages the ability to use isnan() as a function. Find the treasures in MATLAB Central and discover how the community can help you! which makes no sense but returns the same error message, For this type of basic operation it is better to make use of logical indexing. Saltar al contenido. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Faster and easier than loops. Use the VariableNames property of the table to retrieve the variable names and pad them with the cell array. . This will replace 0 from column 8 to 13 with nan, Tb1 {:,8:13} (Tb1 {:,8:13}==0) = nan. Type in command window the following and paste the output here, built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@double/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint8/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint16/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint32/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@uint64/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int8/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int16/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int32/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@int64/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@single/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@char/isnan), built-in (/usr/local/MATLAB/R2015b/toolbox/matlab/elmat/@logical/isnan), /usr/local/MATLAB/R2015b/toolbox/matlab/timefun/@duration/isnan.m, /usr/local/MATLAB/R2015b/toolbox/matlab/timefun/@calendarDuration/isnan.m, /usr/local/MATLAB/R2015b/toolbox/symbolic/symbolic/@sym/isnan.m, /usr/local/MATLAB/R2015b/toolbox/ident/ident/@iddata/isnan.m, /usr/local/MATLAB/R2015b/toolbox/ident/nlident/@idnlmodel/isnan.m, /usr/local/MATLAB/R2015b/toolbox/ident/nlident/@idnlgrey/isnan.m, /usr/local/MATLAB/R2015b/toolbox/distcomp/parallel/@codistributed/isnan.m, /usr/local/MATLAB/R2015b/toolbox/distcomp/gpu/@gpuArray/isnan.m. offers. [-0.50782 -0.32058 NaN -3.0292 -0.45701 1.2424 NaN 0.93373 NaN -0.029006]; seq{2} = [0.18245 -1. . Based on Hi every one, I have a matrix A=1180. Other MathWorks country For example. 5. This array is then used to index the original array. I have an excel file that I need to replace nan with zeros, I am using this piece of code and am getting error : Array indices must be positive integers or logical values, I am not sure how to fix it or what I am doing wrong, It might be advisable to save the output to a different variable, in order to preserve the original, I'm not sure where I would put that. sites are not optimized for visits from your location. Reload the page to see its updated state. Find the treasures in MATLAB . Hello community, I am new to Matlab, so still struggling with the apparently easy stuff. Learn more about array, categorical, undefined MATLAB. Is there any function or .. to convert the Nan to zero, easy,fast and smart I really appreciate your urgent respond . Based on 14. i want to replace nan with 0 in an array . More about logical indexing and indexing in general, this gave me an error saying "unrecognized function or variable 'mask'". Vote. . How do I replace (or remove) <undefined> with NaN in a categorical array ? on 3 May 2021. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. 0. Might happen that your isnan is somehow a variable maybe try the following: By the way there is no difference between your code and mine. = 0; % Replace NaNs and infinite values with zeros. Hello, I have the following problem. Find the treasures in MATLAB Central and discover how the community can help you! Stack Overflow . You only need to enter the matrix with NaN values without specifying the columns where NaN values are. Other MathWorks country Unable to complete the action because of changes made to the page. The line does not work because the left part just returns a logical. What I have so far: x = 0 -3 0 3 0 0 5 Comments. You may receive emails, depending on your. Find the treasures in MATLAB Central and discover how the community can help you! Ran in: If you want to keep the original array around, make a copy of it then replace the values in that copy. Copy. Share. . Here NaN values are replaced by 0s but you can easily modify it in the 8th line of this code: Theme. I want to replace those NaN values with 0, I have tried A(isnan(A))=0; command but is . matlabMATLAB,Matlab.Matlab NaN: a=[2,5;1,4 ;1,4;3,6;3,6 ;2,5]; a(a==1)=0;%10 %NaNNaN . MathWorks is the leading developer of mathematical computing software for engineers and scientists. Theme. https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655677, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655702, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#answer_354471, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655676, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655678, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655680, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655683, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655684, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655686, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655687, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655690, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655691, https://nl.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_1432904. nan belongs to double class, so you cannot add it to categorical or char columns. 0.3526 0.6221 0.5509 0.6242 0 How do I replace (or remove) <undefined> with NaN in a categorical array ? You assigned something to isnan at some point, which damages the ability to use isnan() as a function. how to replace NaN values with zero?. Hello, I have a matrix of 361*181 dimention, which contain NaN and some values. Learn more about matlab MATLAB In case if you didnt notice mine has clear all at the very beginning which is used to clear the variables from the workspace in case if you have any variable named isnan it will be cleared , this is one way of clearing the error. .dat file excerpt is attached. mask = isnan (auPoints); auPoints (mask) = 0; The first line returns a logical array (1's and 0's) with the same size as the original array. You may receive emails, depending on your. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. finite (a) => [1 1 0 1] Learn more about matlab MATLAB Choose a web site to get translated content where available and see local events and %Code. Unable to complete the action because of changes made to the page. Here NaN values are replaced by 0s but you can easily modify it in the 8th line of this code: %Input. Link. .dat file excerpt is attached. Matlab: find last non-NaN element and replace it . sites are not optimized for visits from your location. Reload the page to see its updated state. 0.8690 0.6174 0.6444 0.7184 0.1279 How can I replace some values with NAN form a time sries. I need to replace all the zeros by NaN, noted that zeros are also randomly distributed in matrix A. I have tried for loop but do not get the desired result. your location, we recommend that you select: . 12 16 10 11 13 9 8 10 7 7 6 5 4 1 4 2 0 2 0 NaN 1 NaN NaN 0 So far, my attempts using combinations of logicals, indices and loop approaches have failed, creating a new matrix with all NaNs as zeros, all values in each found row as zeros, or the NaN in only the first or last column as a zero. Unable to complete the action because of changes made to the page. That is the important point. the error read as " Subscript indices must either be real positive integers or logicals". .dat file excerpt is attached. . how to replace NaN values with zero?. Learn more about matlab MATLAB MathWorks is the leading developer of mathematical computing software for engineers and scientists. Vai al contenuto. sites are not optimized for visits from your location. A = randperm (10) A = 110. You can find the NaN elements and replace them with zero using isnan like this : A (isnan (A)) = 0; Then your output will be: A = 0 1 6 3 5 0 4 0 2. My goal is to replace -1 values in the second column by NaN. All values of matrix A are either zeros or negative numbers. . Let's say your matrix is: A = NaN 1 6 3 5 NaN 4 NaN 2. %Code. 0.6769 0.2335 NaN NaN 0.3524 0.9278 0.9782 0.3526 0.6221 0.5509 0.6242 NaN 0.8690 0.6174 0.6444 0.7184 0.1279 0.6544 0.5207 0.1999 0.3623 0.0036 . Unable to complete the action because of changes made to the page. Improve this answer. your location, we recommend that you select: . You just need xlswrite for that. . How to replace the array elements with "Nan" or "Inf" to either zero or some other number? sites are not optimized for visits from your location. In octave, is there a build in function for replacing Inf/NaN to 0 in a vector. Start Hunting! should i do to import the numerical matrix into NaN matrix ? https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655677, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655702, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#answer_354471, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655676, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655678, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655680, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655683, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655684, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655686, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655687, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655690, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_655691, https://uk.mathworks.com/matlabcentral/answers/437735-how-to-replace-nan-values-with-zero#comment_1432904. How do I replace (or remove) <undefined> with NaN in a categorical array ? 25. i want to replace nan with 0 in an array . https://www.mathworks.com/help/matlab/ref/fillmissing.html like Star Strider suggests, You may receive emails, depending on your. Choose a web site to get translated content where available and see local events and 0.6544 0.5207 0.1999 0.3623 0.0036, I have matrix of experiment data in excel file, this excel matrix has some blank cells The problem is that the blank element shows as NaN when import the matrix to matlab for processing. .dat file excerpt is attached. Other MathWorks country how to replace NaN values with zero?. Inicie sesin cuenta de MathWorks; Mi Cuenta; 0.8690 0.6174 0.6444 0.7184 0.1279 All values of matrix A are either zeros or negative numbers. 0.7836 0.5917 0.3524 0.9278 0.9782 You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. the error read as " Subscript indices must either be real positive integers or logicals". B = A; B (B > 7) = NaN. 0 Comments. The sequences contain some missing values represented by NaN. offers. m_data=C {1,1}; % Matrix with NaN values. Thans, You may receive emails, depending on your. MathWorks is the leading developer of mathematical computing software for engineers and scientists. your location, we recommend that you select: . I need to replace all the zeros by NaN, noted that zeros are also randomly distributed in matrix A. Share. Start Hunting! auPoints = subsasgn(auPoints, substruct(. Note that this is exactly the same, just reduced to one line. 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