Answered
Break loop with button click Appdesigner GUI [Both plot and button are in different callback functions]
function main FigH = figure; ButtonH = uicontrol(FigH, 'Style', 'PushButton', 'String', 'Stop', 'Call...

6 years ago | 1

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Answered
Why Index exceeds the number of array elements (1) if I change the input order in the anonymous function?
ode45 calls the function to be integrated as f(t, Y) . So the time must be the first input.

6 years ago | 1

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Answered
Extract rows from 2 different matrices with different dimensions using If statement
if AR(:,5)==n; This is a vector in the condition. Therefore Matlab inserts an all() implicitly, because conditions of if statem...

6 years ago | 1

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Answered
inputdlg does not work Matlab 2020a
User the debugger to find out more details. Type in in the command window: dbstop if caught error Now run the code again and c...

6 years ago | 1

Answered
if statement/numel (A)
These condition does not do, what you expect: 1<=(i + a)<=numel(A) 1<=(i - a)<=numel(A) They are evaluated from left to right...

6 years ago | 1

Answered
How to find euclidean distances between cell entries of two RGB matrices?
A = rand(47, 47, 3); B = rand(1, 456 3); AB = reshape(A, 47*47, 1, 3) - B; Dist = vecnom(AB, 2, 3); And now you want to fi...

6 years ago | 0

Answered
How do I use characters with an if statement?
Prompt = 'Please press any key to roll the dice, press Q or q to quit program: '; str = input(Prompt, 's'); if strncmpi(str...

6 years ago | 1

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Answered
Random draw without re-delivery in a loop
What are your input data? A list of files stored in a folder? (As usual: please explain this instead of letting the readers gues...

6 years ago | 0

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Answered
search in large cell file
In the loop all lines are stored in the cell an the loops stops, if the last one was not a CHAR. This means, that the last eleme...

6 years ago | 1

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Question

MEX api and interleaved complex arrays
Does MATLAB store complex data in interleaved format since R2018a? If you compile a MEX function with the -R2018a flag, you can...

6 years ago | 1 answer | 0

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answer

Answered
Reversible matrix in matlab
You want to identify a "regular matrix and non-singular matrix". Then testing only, if it is square and not a zero matrix ist no...

6 years ago | 0

Answered
Calculation precision changed in 2020b?
The ACOS function is numerically instable at 0 and pi. SUM is instable at all. A trivial example: sum([1, 1e17, -1]) .There are...

6 years ago | 2

Answered
Why stock DOT function is suboptimally implemented
Just a comment: Under Matlab 2018b, Core i5-3320M CPU @ 2.60GHz: Elapsed time is 0.249669 seconds. dot(z,z) Elapsed time is ...

6 years ago | 0

Answered
How to concatenate matrices to calculate mean
As Steven has mentioned already, this is the main problem: "I have 40 matrices DJF1979_1980_125 to DJF2019_2020_125" Do not us...

6 years ago | 0

Submitted

ScaleTime
Fast linear interpolation of equally spaced data (C-MEX and M)

6 years ago | 2910 downloads |

5.0 / 5

Answered
How to read data from a file into cell array keeping indents undisturbed
% Import file: Str = fileread('file.ext'); % Remove trailing line break to avoid appending an additional empty line: if ~is...

6 years ago | 0

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Answered
Not enough input arguments error
What about replacing: for j= 1:N if x(j)<beta1 & x(j)>beta2 f(1,j)=f02(x(j)); end if x(j)>beta1 & x(j)<...

6 years ago | 0

Answered
command window no output
Check if you have shadowed the display function: w = cellstring(which('display', '-all')); fprintf('%s\n', w{:}) What do you ...

6 years ago | 0

Answered
Find string in the special file
S = fileread('R2_AS - Copy.txt'); i1 = [strfind(S, 'Szenario'), Inf]; i2 = strfind(S, 'has been created.'); width = numel(...

6 years ago | 0

Answered
Namelengthmax value in different operating systems
The value of namelengthmax depends on the Matlab version only. It is the same for all operating systems. Identifiers can have ...

6 years ago | 0

Answered
Syntax Error using Fcn Block
You need round parentheses for indexing, not square brackets: (1/Mus)*(Ks*(u[3]-u[4])+Ct*(u([7]-u[2])+Kt*(u[6]-u[4])-u[5]) % =...

6 years ago | 0

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Answered
how to compute the number of image from subfolder ?
fullfile(('.\databasee\')) is exactly the same as its input: '.\databasee\'. The unnecessary parentheses are confusing only. To...

6 years ago | 1

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Answered
Different machine precision for scalars and vectors?
The only difference is the display in the command window. Matlab tries to display vectors in an abbreviated format, execpt if yo...

6 years ago | 1

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Answered
Strange behavior of the editor in the forum
1.5 years later. I tried it again. I still cannot set a flag, delete an answer or insert an image or link. Whenever I try it, t...

6 years ago | 2

Answered
Combining 2 codes to make a number counter with user input
function v = Sample() Loop = true; Count = 0; v = []; while Loop a = input('Please input a number: '); if a >= ...

6 years ago | 0

Answered
regarding 'FOR LOOP' use to plot discrete impulse response
The question is not clear yet. Do you mean: delay = repmat(1, 1, 500); amplitiudes = repmat(0.1, 1, 500); % Alternati...

6 years ago | 0

Answered
How can write loop for this algorithm?
I'm not sure, because the question is not completely clear to me. Perhaps: A = [1 1 2 2 3 3 3 4 4 8 9 10]; d = diff(A); v = f...

6 years ago | 0

Answered
counting number of textbox or patches in a matlab figure
% All text boxes: List1 = findall(HandleOfFigure, 'Type', 'uicontrol', 'Style', 'text') Count1 = numel(List1) % All patche...

6 years ago | 0

Answered
mlock not working, variables getting cleared in function switch.
Create this file: function demo(In) persistent v switch lower(In) case 'lock' mlock disp('locked'...

6 years ago | 0

Answered
nested k for loops for a parameter k
Start with simplyfying your code: Replace the 2 innermost loops: s = 0; for u1=1:2 for u2=1:2 s = s + t1(u1,v1,w1)*...

6 years ago | 1

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