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Stop using suggested word on right arrow
I just checked for you: If you go to the preferences (in the 'Home' tab), you can disable the automatic completions in the MATL...

4年以上前 | 1

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Unable to use a value of type 'cell' as an index
You need to unwind the call to see what's going on. When you create r_4, you have set UniformOutput to false. That means it i...

4年以上前 | 1

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Extracting every row from a matrix using a for loop
This might not be optimal, depending on what you want to do, but the size function is here to help: data=rand(23999,31) for ro...

4年以上前 | 0

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Loop in a string array and changing string
Why didn't you mention this is homework? (I have seen this exact situation from another user this week, so barring evidence to t...

4年以上前 | 0

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finding data from unique id in two tables
You can use the ismember function.

4年以上前 | 1

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Matrix-vector operations without loops
You can use permute to reshape the second array and use the implicit expansion to do the multiplication in one go. Then sum over...

4年以上前 | 1

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There is an apparent error in line 4, and this code only ran once
t = [36, 65, 100, 160]; c = [0.145, 0.120, 0.100, 0.080]; t2 = (20:10:160); c2 = b*exp(t2*m); As you can see, you didn't def...

4年以上前 | 0

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Inside of a for loop. How to call another script lets say (IK.m) as Ik sub every time the loop goes to a new point?
I don't see how exactly you would end up with 6 values for each point, but if you convert your script to a function, that will m...

4年以上前 | 1

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save data all of in loop
No loop required: num=xlsread('ENVISAT.ex.xlsx'); num=num(~isnan(num)); num=nonzeros(num); lon=num(1:2:end); lat=num(2:...

4年以上前 | 0

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Including external file is making workspace messy
Let me expand on the suggestion of @Mathieu NOE: Use functions, not scripts. Each function should have documentation explaining...

4年以上前 | 1

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Create matrix using the array as index
You don't even need a loop: a=[2 2 1 0 3]; ind=a+1; A=zeros(max(ind),numel(ind)); ind=sub2ind(size(A),ind,1:numel(ind)); ...

4年以上前 | 0

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deleting separate zeros from vector
It took a bit of thinking, but here is a oneliner: A = [ 0 0 1 0 0 0 1 0 1 0 0 1 5 9 8 2 0 3 0 1 0 0 0 ]; ...

5年弱前 | 0

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How can I interrupt a for or while loop by pressing a button 2?
You can tell Matlab to process callbacks with the drawnow function. If you put a call to drawnow just before you reload the val...

5年弱前 | 0

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Input the same value into a cell array that each cell contains different fits?
I don't think there is a way to actually avoid a loop. You can avoid a double loop like this: results=zeros(size(CellWithFitObj...

5年弱前 | 0

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Compare two vectors in matlab n*m
You mean like this? A=[1 2 3 4 5 6 7 8 9 10]; B=4; result=zeros(size(A));%pre-allocate L= A<B ;result(L)=1; L= A==B;resul...

5年弱前 | 0

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Gui problem with workspace
Why do you want to use evalin? Just have your functions return outputs. Every function has its own workspace. To share data bet...

5年弱前 | 0

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How can I plot a lot of data sets quickly?
Make sure you load the data to an array instead of numbered variables. That way you can use a simple for loop and indexing. htt...

5年弱前 | 0

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Backward compatible functionSignatures.json
In that case my proposed solution would be implementing something like Jan suggested in his answer. Write a function similar to...

5年弱前 | 1

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Utilizing sqrt and square, "Check for incorrect argument data type or missing argument in call to function 'sqrt'"
As Stephen mentioned, the sqrt function expects either single or double. So you will have to convert it to either of those data ...

5年弱前 | 0

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How to assign the size of a k-th column of a cell to the k+1-th?
When you execute this line: sbc{k}=size(cycles{k+1}) the k+1 element of cycles doesn't exist yet. You will have to make ...

5年弱前 | 0

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How to store values from nested for loop
The first step to implement a summation in Matlab is very easy: just use a for loop. It is often possible to do this with a matr...

5年弱前 | 1

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How to create a matrix with nested for loop for fraction entries?
Why use loops at all? y=1; ii=0.5:.1:.7; jj=.4:.1:.6; [ii,jj]=ndgrid(ii,jj); mat=ii.*y.*jj; disp(mat)

5年弱前 | 1

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Having error when ploting bars with filled pattern
Download the applyhatch_plusC function from the FileExchange here and add it to your path somewhere (or your current folder). N...

5年弱前 | 0

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Appending a file with a string output and a numeric output
Use the 'a', 'a+', or 'A' flags in fopen to append data. This should work for text files as well. You don't really need the 't' ...

5年弱前 | 1

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mex - setup FORTRAN can't install for 2017b or 2021a for windows 10
MinGW is only for C an C++, not Fortran. The linked page looks like you need the Intel Parallel Studio XE. The 2017 version s...

5年弱前 | 0

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why the command "figure(gcf+1)" gives error?????
The gcf get the handle to the current figure. In old releases this used to be a double, but since several years ago it has been ...

5年弱前 | 0

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How to vectorize nested for loops
ndgrid will do the trick: rowsA=59; pix = 25.4/600; R = 2.5; ht = 1.5; A=abs(-rowsA:rowsA); % e.g. 5 4 3 2 1 0 1 2 3 4 5 size...

5年弱前 | 0

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New. to Matlab, can you help me with the code?
A much better solution is to learn Matlab with a tutorial. You may consider doing the Onramp tutorial (which is provided for fre...

5年弱前 | 1

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Have problem in solution
It looks like you want different things to happen depending on the value of Erf: for every element smaller than 2 you want y to ...

5年弱前 | 0

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How can I obtain the permutation of 3 binary variables?
The easiest way to do this is with bin2dec. You can loop from 0 to 2^n-1 to get all combinations. To convert the character array...

5年弱前 | 0

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