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Stephen Cobeldick


5,990 2014 이후 총 참여 횟수

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Saving and uploading data with any file name
"...on how I can fix this" That is easy: fix your save syntax. You seem to have confused high-level file importing/exporting f...

약 15시간 전 | 0

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Fill NaN matrix with vector of unequal sizes
CMC_RT(k).RF.GyrNorm(1:10,1) = CMC_RTT.RF.(temp{a})(k,1:10); CMC_RT(k).RF.GyrNorm(1:9,2) = CMC_RTT.RF.(temp{a})(k,11:19); The...

약 16시간 전 | 0

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Assign values to a string in Matlab
>> X = 'abcaaabc'; >> Y = num2cell(X) Y = 'a' 'b' 'c' 'a' 'a' 'a' 'b' 'c' >> Y1 = X-97 Y1 = ...

2일 전 | 0

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Figures not saving as specific file type regardless of specified extension
Specifying the image file type and specfiying the file extension are two totally different things. Your title "Figures not savin...

2일 전 | 1

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regexprep does not exactly what I want
>> regexprep(Charge,'^[^-+]*','') ans = '-1' '+0' '+1' '-1' '+0' '+1' >> regexp(Charge,'[-+].+$','once','...

2일 전 | 1

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Values in cell array keep getting overwritten
Much simpler and much more robust: D = 'path to the main directory'; S = dir(fullfile(D,'img*')); for k = 1:numel(S) F =...

3일 전 | 0

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What are variable scopes?
Consider that inside some function you define some variable, e.g.: X = 3; You might then ask yourself, now that I have defined...

3일 전 | 0

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concatenate structs and then plot a specified column
Simpler without conditional statements: D = 'path to the folder/Dati_Finali'; S = dir(fullfile(D,'*.mat')); b = 1; for k = 1...

3일 전 | 0

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Count the values inside a cell array considering another cell array
>> Rc = vertcat(R{:}); >> Vc = vertcat(V{:}); >> X = ~cellfun('isempty',Rc) & ~cellfun('isempty',Vc); >> F = @(r,v) sum(r(2,v...

3일 전 | 0

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Saving the values into a mat file error
Rather than this indirect, complex, buggy, obfuscated, strongly inadvisable code: evalstring = sprintf('handles.mystructdata.%s...

3일 전 | 0

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de2bi not working for large decimal number
"Why is that?" Because those functions use double class, and your value is well above flintmax: >> 2^53 % flintmax ans = 9.00...

3일 전 | 0

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Count how many element are inside each cell af a cell array on the basis of an array
>> C = vertcat(V{:}); >> X = ~cellfun('isempty',C); >> F = @(x)sum(x(2,:)<=80); >> M = zeros(size(C)); >> M(X) = cellfun(F,C...

3일 전 | 0

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How to subtract two close numbers?
"..i don't know why it doesn't give exact zero." The decimal values 5.4 and 0.4 cannot be represented exactly using binary floa...

3일 전 | 1

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Find the intersect of two columns from different matrix but keep the corresponding cells from the same row along with the intercept values
>> A = [2,4,6,8,10;2,3,5,3,2] A = 2 4 6 8 10 2 3 5 3 2 >> B = [2,3,5,8,10;1,2,2,2,1] B = ...

4일 전 | 0

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Alternation without for loop
>> N = min(numel(A),numel(B)); >> V = [reshape([A(1:N);B(1:N)],1,[]),A(N+1:end),B(N+1:end)] V = 1 0.5 2 0.2 3 0.4 4 ...

4일 전 | 1

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Modify a cell array and obtain a new cell array
The problen is that you try to access a row of GGG which does not exist. You define GGG as a 1x2 cell array: GGG= {[...],[...]...

4일 전 | 0

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Matching closest values to each other
>> [~,idx] = min(abs(bsxfun(@minus,B,A.')),[],2); >> C = [B,A(idx)] C = 39.167 39.342 39.892 39.942 40.592 4...

4일 전 | 0

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finding location of logical 1 row wise by column
[idr,~] = find(yourMatrix)

4일 전 | 0

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Difference between ' (single quote) vs " (double quote)?
https://www.mathworks.com/help/matlab/characters-and-strings.html In a nutshell: single quotes define a character vector with ...

4일 전 | 0

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Array vs. Matrix Operations
What "compatible sizes" means is explained on this page: https://www.mathworks.com/help/matlab/matlab_prog/compatible-array-siz...

4일 전 | 0

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SAVE command: How to specify the variable to be saved if it is a variable inside an array. assignin has been used to create the variable from a string in an array.
save using the structure syntax: S = struct('theNameYouWant',x); save(...,'-struct','S')

5일 전 | 0

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How to fill NaN values in 3d array using interpolation?
The simple solution is to download this: https://www.mathworks.com/matlabcentral/fileexchange/4551-inpaint_nans

5일 전 | 1

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how to extract and load images and data from multiple .mat files present in a folder
https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html D = 'path to the folder where the files ar...

6일 전 | 1

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creating matrix from a vector
>> v = [0,0,4,6] v = 0 0 4 6 >> n = ceil(v/2); >> w = 1:max(n); >> m = bsxfun(@times,v,bsxfun(@le,w(:),n)) m = ...

6일 전 | 1

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How can I create an input row only excisting randomly only out of -1 and +1?
>> V = [-1,1]; >> X = randi(2,1,23); >> V(X) ans = -1 -1 1 1 1 -1 -1 -1 1 -1 1 -1 1 1 1 -1 1 1 ...

7일 전 | 1

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How to extract a value from mat file
S = load(...) S.Fs

7일 전 | 0

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Calling Matrix that is indexed, in a for loop
The easiest approach is to use a cell array: T{1} = [1,2]; T{2} = [2,3,4]; T{3} = [3,4,5]; T{4} = [3,4,5]; T{5} = [1,5]; f...

7일 전 | 0

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Question about import a .txt file into matlab
Your code has several issues, the most significant ones are: you incorrectly used the optional third input, apparently to try a...

8일 전 | 1

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Index for subfolders without *.pdf files
Simpler and more robust: D = 'path to the main folder'; S = dir(fullfile(D,'*')); N = setdiff({S([S.isdir]).name},{'.','..'}...

8일 전 | 2

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removing NaN values from mat file
load into an output variable (which is a scalar structure), then loop over the fields: https://www.mathworks.com/help/matlab/re...

8일 전 | 2

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