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I have a function (ex. adaptive) in a for loop which has two arrays as output. I want to save all the outputs in a single matrix. it can just save the last vector

You have to index the out arrays on the LHS of the assignment or MATLAB will, as you've observed, overwrite the whole variable o...

1 day ago | 0

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How can I index a duration variable

Always much easier if you attach the actual code you've used to get to this point and a little bit, at least of the data array. ...

2 days ago | 0

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How do I pull out from a table, the total mean of one item based on a particular condition (for several subjects), and then compute the difference in mean values?

tMEANS=rowfun(@mean,tData,'GroupingVariables'{'ConditionZ'},'InputVariables','ItemA','OutputVariableNames','GroupedMeans'); See...

2 days ago | 0

Help creating loop that converts text to numbers

>> A='Now is the time...'; >> format short >> disp(double(A)) 78 111 119 32 105 115 32 116 104 101 ...

3 days ago | 0

Removing quotations from table display

It's more a sanity check for the user to make sure their values are correct for what they expect. And there's where the purpose...

4 days ago | 0

fwrite ascii output error

I see no such thing... >> fid=fopen('test2.dat'); fread(fid,'*int16') fid=fclose(fid); ans = 2×1 int16 column vector ...

4 days ago | 0

How to reform cell into a vector of strings and text

Two of many ways to deal with the cellstr -- As string array >> S=string(split(C,',')); S=S(S~="") S = 6×1 string array ...

4 days ago | 0

How do I swap 2 rows of a cell array?

One way... >> C=num2cell(randi(10,3,2)) C = 3×2 cell array {[5]} {[1]} {[9]} {[5]} {[6]} {[5]} >> ...

4 days ago | 0

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how to find the nearest value?

The builtin way in MATLAB is interp1 >> A=[1:6]; >> B=flip(A)+0.1; >> posn=[10:10:60]; >> C=posn(interp1(B,A,A,'nearest','ex...

4 days ago | 0

Problems with function num2str

Well, having a file helps (as always)... >> DatosInfo=ncinfo('..\Answers\DatosMarzoD1.nc') % see what's in the file... DatosIn...

4 days ago | 1

| accepted

How to put endpoint on Bar graph

Like maybe? There's a klunky example at the doc for bar, but it is far simpler than the multi-step illustration to write it ...

4 days ago | 0

How to calculate standar deviation and trend in each row of data

The input arguments for std include a flag for the weighting for the divisor and/or the option to compute a weighted standard de...

5 days ago | 0

Multiple axes in a subplot

It's a pain -- MathWorks doesn't think you're supposed to ever want to do that; there are no builtin tools to do it. There may ...

7 days ago | 0

how to plot each bin of data individually?

OK, here's another example; I'll add it as its own Answer -- carrying on from the above uBin=unique(tD.Bin); for i=uBin(:).' ...

7 days ago | 1

Reshaping array with specific order

Can't be done with only reshape. You have only 10 elements in A and the requested output array requires 20. OTOH, it's easy en...

7 days ago | 0

Convert cell array to excel - problem with nested cells

Try something like l=0; for i=1:size(M2,1) for j=1:size(M2,2) l=l+1; writecell(M2(j,i),'M2.xls','Range',"A"+...

7 days ago | 0

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Removing automatic variable names in array2table or writetable and adding some text to the header of output file

As @Ive J points out, define variable names as desired. NB there's no need for intermediate variables here, either--if you alre...

8 days ago | 0

how to plot each bin of data individually?

As per usual, would be easier to demonstrate with some real data to work with...but tD=table(repmat([0:23].',4,1),randi([150 20...

8 days ago | 0

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Why does the unique() function give an unexpected extra output here?

>> load ..\Answers\datestrings_of_problem_times.mat >> whos d* Name Size Byte...

8 days ago | 1

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Excel MMULT on MATLAB for different matrix dimensions.

MATLAB being defined as the MATrix LABoratory follows conventional matrix algebra rules -- >> A=[0.29;-1.55;2.09;0.782]; >> R=...

9 days ago | 1

| accepted

Array indices must be positive integers or logical values.

In ... i=0; while dt<ts; d1=g-0.5.*rho.*V0.^2*(s/m).*Cd; phiAvg=d1; V(i)=V0+dt.*phiAvg; V0=V; t(i)=t...

9 days ago | 1

How to fix: Index Exceeds Matrix Dimensions.

>> w1{1}=fix(randi([-10000,10000],3,1)); >> whos w1 Name Size Bytes Class Attributes w1 1x1 ...

9 days ago | 0

Replace text in a struct with new values

The problem is the string you're building for the substitution doesn't match the actual string in the struct substring owing to ...

9 days ago | 0

different number of delimiters error using readtable function

Use import options object -- although to write a fully generic import code you'll have to scan the file to find the number of he...

10 days ago | 1

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How can I include absent group names in table grouping results?

Well, unless the data are in the table, there's not going to be anything for groupsummary to operate over to tell it those other...

10 days ago | 0

I can't understand the following MATLAB code documentation

This isn't documentation, this is actual MATLAB code. The first section is a script; the second is a function which is called b...

10 days ago | 1

How to show that calculation is going in MATLAB App

An outline of the progress dialog implementation I used for one app... % Button pushed function: UpdateButton function ...

13 days ago | 0

How to make an if-statement that finds whether a 1x5 column has 4 of the rows the value 0?

Just a somewhat pedantic comment on details of notation first -- If the matrix is 1x5, it would be matrix = [0 0 0 241 0] inst...

13 days ago | 0

How to extract data stored in a matrix and in a specific range of columns whose number is stored in another matrix?

It would be much simpler if you would use a table for each variable and include the ParticipantID as a variable instead. Howeve...

19 days ago | 0

Matlab default font monospace is not a wise choice

Can't say as it's been a problem for me, no... But, you can change it to anything installed on your system -- go to Preferenc...

19 days ago | 0