답변 있음
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...

4년 초과 전 | 1

| 수락됨

답변 있음
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...

4년 초과 전 | 0

답변 있음
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...

4년 초과 전 | 0

| 수락됨

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

4년 초과 전 | 1

| 수락됨

답변 있음
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...

4년 초과 전 | 1

답변 있음
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...

4년 초과 전 | 0

답변 있음
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...

4년 초과 전 | 1

| 수락됨

답변 있음
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:...

4년 초과 전 | 0

| 수락됨

답변 있음
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...

4년 초과 전 | 1

| 수락됨

답변 있음
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)); ...

4년 초과 전 | 0

| 수락됨

답변 있음
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 ]; ...

4년 초과 전 | 0

| 수락됨

답변 있음
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...

4년 초과 전 | 0

| 수락됨

답변 있음
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...

4년 초과 전 | 0

답변 있음
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...

4년 초과 전 | 0

| 수락됨

답변 있음
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...

4년 초과 전 | 0

답변 있음
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...

4년 초과 전 | 0

답변 있음
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...

4년 초과 전 | 1

| 수락됨

답변 있음
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 ...

4년 초과 전 | 0

답변 있음
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 ...

4년 초과 전 | 0

답변 있음
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...

4년 초과 전 | 1

| 수락됨

답변 있음
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)

4년 초과 전 | 1

답변 있음
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...

4년 초과 전 | 0

답변 있음
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' ...

4년 초과 전 | 1

답변 있음
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...

4년 초과 전 | 0

답변 있음
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 ...

4년 초과 전 | 0

| 수락됨

답변 있음
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...

4년 초과 전 | 0

| 수락됨

답변 있음
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...

4년 초과 전 | 1

답변 있음
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 ...

4년 초과 전 | 0

| 수락됨

답변 있음
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...

4년 초과 전 | 0

| 수락됨

답변 있음
how to find the answer of:
Use the inverse of tan: atan B=atan(log10(50)/exp(0.53))

4년 초과 전 | 0

| 수락됨