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dpb


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Answered
how do i count unique cell rows?
I agree w/ Per, use strings since TMW didn't see fit to extend unique to cell arrays and either is far better than char() arrays...

environ 9 heures ago | 0

Answered
Filter contents of a table
Why are numeric values entered as text/characters? ix=~ismember(str2num(tbl.value),[3 4]); tbl=tbl(ix,:); If the real questio...

environ 17 heures ago | 1

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Answered
How do I use splitapply when the applied function has non-scalar output?
OK, I reread the Q? and realize there was enough in it to see what it was that was wanted... >> t=myTable; ...

environ 17 heures ago | 0

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Answered
Short Question about Multiple cases in for end
Depends upon what you mean to do...if want each combination of the four variables, then you write a set of nested for loops... ...

1 jour ago | 0

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Answered
Trying to have user input names into matlab and store them in a matrix
Don't use the character array...assignment in it has to be padded to the maximum length for every row in the array. Either use ...

1 jour ago | 0

Answered
How do I use splitapply when the applied function has non-scalar output?
[A,B,C,...]=splitapply(func, ...); applies func to inputs by group and returns the given outputs... See the doc for details, e...

1 jour ago | 0

Answered
Swapping entries in column of table
% first build a more workable table arrangement... t=table(str2double(tbl.multicol),'VariableNames',{'array'}); t=t(1:3,:) t ...

3 jours ago | 1

Answered
How to save a complex matrix as text file?
C (and ergo Matlab) is woefully weak in input/output for complex variables. Should been remedied by TMW from the git-go given M...

4 jours ago | 0

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Answered
How to print out a cell array inside a cell array
How did you manage to get that so deeply nested? Let's see the code that generated the array and work on it... But, to answer ...

4 jours ago | 0

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Answered
How to compare variables without if statement
>> assert(3==4,'Mismatch') Mismatch >> assert(3==3,'Mismatch') >> ADDENDUM: Of course, you can make things more interesti...

5 jours ago | 0

Answered
import csv file and use the data in Matlab
The problem is the file has explicit "" for string variables built into it...that overrides what readtable would otherwise do fo...

6 jours ago | 2

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Answered
Removing rows - duplicates based on a condition
[~,ia]=unique(A(A.Size==1,1),'first'); B=[A(A.Size==0,:);A([ia+find(A.Size==0,1,'last')],:)]; returns >> B B = 6×3 table ...

7 jours ago | 0

Answered
extracting dates within a text
matchstr='LoomingExp'; % string to match c=textread('book1.csv','%s','delimiter',''); % read as...

7 jours ago | 0

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Answered
How to write Continue Long Statements on Multiple Lines ?
The ugliness of the C-style formatting string in all its glory exhibited!!! Why TMW didn't go to the trouble to keep Fortran FO...

8 jours ago | 0

Answered
How to read an excel spreadsheet ignoring text and comments
The venerable xlsread will return numeric, text, and the raw data in separate locations. Probably better is to use the detectIm...

11 jours ago | 1

Answered
Storing the positions of neighbouring elements that have specific values.
>> i0=3; j0=4; >> [i,j]=find(~A(i0-1:i0+1,j0-1:j0+1)); >> [i,j] ans = 1.00 1.00 2.00 ...

11 jours ago | 0

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Answered
Averaging setions of a matix
mnA=cell2mat(arrayfun(@(n)mean(A(1:n,:)),[2:size(A,1)].','uni',0));

11 jours ago | 0

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Answered
What exactly is happening in this line of code speech_out = speech(1:1/1.01964:length(speech),:);?
MATLAB rounds to nearest integer for the fractional subscript for indexing. Not recommended technique, use the Signnal Processi...

13 jours ago | 1

Answered
Sort function does not return correct indices
870 is not wrong... -7.2 (1) < -6.2 (3) neither is 884. 884 -15.89 18.31 -10.21 18.31 -10.21 -15.89 2 3 1 ...

14 jours ago | 1

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Answered
Could someone please help me setup an interpolation script to find atmospheric conditions at various altitudes?
function [T, P, rho] = standard_atm(alt) ... % alt sigma delta theta temp press dens a visc k...

14 jours ago | 0

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Answered
How to overlap time vectors and plot in multiple axis ?
See FEX https://www.mathworks.com/matlabcentral/fileexchange/1017-plotyyy

16 jours ago | 0

Answered
Change width on fitted line in function fitlm
Yeah, save the handles returned by plot for the linear model fit... mdl=fitlm(T(Index,3),F); hMDL=plot(mdl); hFIT=findobj(hMD...

17 jours ago | 0

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Answered
Identifying x value at y on an xy plot
P=0.5; % P to find iy=find(y>P,1); % first point past P xp=interp...

17 jours ago | 0

Answered
How to built a histogram in MatLab as Excel did it?
y=[14;21;14;9;16;10;16]; bar(y) That's a bar plot, not histogram.

17 jours ago | 0

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Answered
How to use a code to get the corresponding value of a loop in another file
Your outer loop range is 0:45:360 but you only set a value for the struct environment for those values less than 360. What is i...

18 jours ago | 0

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Answered
trapz whe x is a matrix
TMW only implemented variable X spacing for the full array, not by column (or row). Have to loop to do it...worthy of an enhanc...

18 jours ago | 0

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Answered
Weekly Average per Year For Loop
No loops should be needed. If you haven't convert the date data to ML datetime and then compute the grouping variable wkyr as ...

22 jours ago | 0

Answered
Begginer's Question about matrixes
press=Ps*(1+(Lb/Ts)*altitude).^(-g0*M/R*Lb); dp=diff(press); "The Matlab way" is to use the vectorized abilities built into op...

22 jours ago | 0

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Answered
Function doesn't return a vector from a vector input
Yes, you didn't read about logical IF if Ffork0+Inc_Ffork*t <= Ffork_max is True iff every element of Ffork0+Inc_Ffork*t is <=...

22 jours ago | 1

Answered
Unspecified coefficients from function 'fit'
fit returns a fit object (either cfit or sfit, depending on curve or surface). There are functions to return things out of the ...

25 jours ago | 0

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