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How to write ASCII to byte file?

bytes = uint8([126, 129]) data = char(bytes); % Exceeds 7 bit ASCII Not sure about the encoding standards but this seems t...

34 minuten ago | 0

Delete a timer object in it's callback

I don't know, but I have programmed the same toys, my worlflow is like this close all; fig = figure; ax = axes('Parent', fig)...

ongeveer 14 uur ago | 0

How to open help doc in a Window rather than browser？

https://www.mathworks.com/help/install/ug/install-documentation-on-offline-machines.html

ongeveer 16 uur ago | 0

| accepted

transform linear inequality constraints into bound constraints for optimization solvers

No you cannot. It is well known that any generic linear constraints Aeq * x = beq A * x <= b lo <= x <= up is equivalent to...

1 dag ago | 0

Question

Intel ARC graphics device and MATLAB

Not really a question but I would like to report many issues withh App Designer and its stand alone version when using with Inte...

1 dag ago | 0 answers | 0

### 0

answersHow can I determine the angle between two vectors in MATLAB?

There is a good formula from Kahan, chap 12 of this Mindless paper, for given x and y two vectors of length(m) - in R^m, the ang...

6 dagen ago | 3

moving median with variable window

One way (for k not very large) x = 1:6 k = [2,3,4,5,3,2]; % Note: I change k(3) to 4 winmedian(x,k) function mx = winmedia...

11 dagen ago | 2

How to measure graph wave distance ?

It looks like you need to rotate the whole picture (red line + blue curve) to minus the slope of the red line. After rotation t...

11 dagen ago | 0

Quivers/streamlines not perpendicular to contours

Add the command axis equal Different aspect ratio in x and y can skew the perpendicularity visually.

11 dagen ago | 0

MATLAB Error - Local function name must be different from the script name.

Perhaps swap those two fitst lines in your code file function F = c_objective(x) global intcon f Q nmsi M S I ... Warning: u...

12 dagen ago | 1

| accepted

question about function handles in OO

Something extra must happen internally by the parse when you create function from method, but it only happens at the first level...

13 dagen ago | 0

| accepted

Question

Chasing what is wrong with 'dual-simplex-highs' in linprog

I try to see why 'dual-simplex-highs' algorithm fails and 'dual-simplex-legacy' works OK on this specific LP problem of size 46...

22 dagen ago | 2 answers | 2

### 2

answersBest computer specifications for fast Matlab numerical simulations/integrations?

The bench command in R2024a rates intel i9-12900 CPU on Windows 11 and Mac M2 best for ODE IMO the intel processor get hot easi...

23 dagen ago | 1

I substracted two 3D matrix and get a 2D matrix instead of 3D matrix, why?

You need to put 3 indexes in 3d array. If you put 2 it reshape your array to 2D. The correct command is probably dp=minus(p(1:...

29 dagen ago | 0

Scatteredinterpolant (linear) from symmetric data does not produce symmetric isolines

scatteredinterpolant all methods is based on triangulation of the data points. Even the data points are symmetric, the triangula...

3 maanden ago | 0

Intersection condition between two ellipses

Use FSOLVE to find numerical solution. Only xaimum one can be found c1 = [0; 5]; % circle center #1 c2 = [-5; 2]; % circle c...

3 maanden ago | 0

Intersection condition between two ellipses

Here is a solution for generic ellipses using FEX file here % Ti and ci define two ellipses E1 and E2 of the form % (x,y) st n...

3 maanden ago | 0

find a zero of a two-variable function

If you are not unlucky Trajectory = @(x) sum(x.^2,2)-34^2-1; % Test function, use use rather own X0 = [9.609 , 32.288]; %ini...

6 maanden ago | 0

call function name in the same function

This returns the name of the function being executed s = dbstack; funname = s(1).name; In recent MATLAB versions you can do i...

6 maanden ago | 1

| accepted

pinv operation in matlab

NOTE: This code is useful fonly or users who run version greater than R2021a and before R2024a, where pagesvd is supported by pa...

6 maanden ago | 0

How to do 3D matrix multiplication

A = rand(56,32,10); B = rand(32,32,10); C = pagemtimes(A,B); size(C)

6 maanden ago | 0

| accepted

Create an array of distinct objects of handle class

Why not simply calling the constructor as many time as you need arrDir = arrayfun(@(~)uilabel, 1:2); arrDir(1).Text = "textDir...

6 maanden ago | 0

| accepted

How to flip the x axis in a 3d plot?

Do set(gca,'XDir','reverse') one the surfc command is carried out s = peaks'; subplot(1,2,1) surfc(s) xlabel('x') subplot(1...

6 maanden ago | 0

| accepted

Extracting multiple signal segments without a for loop

As you like but this code is perhaps slower than the for-loop signal = rand(1000,1); segmentOnsetIndices = [50 120 550 600 750...

6 maanden ago | 1

| accepted

How to have individual numbers combine into a larger number

One way: UserIput = [1 2 3 10 11]; %% Coding X = polyval(UserIput, 16); X % Combine number clear UserIput % forget the ...

6 maanden ago | 0

Problem with solve() and "Empty sym: 0-by-1".

Your equations look illposed to me for three reasons* For a given j, LHS are known (4 x 1) vector Ax*Ax*B(:,j), let's call ...

6 maanden ago | 0

Efficient Vectorization of For Loop

Not tested but the sign reading tell me M = 2*B' * (A.*C);

6 maanden ago | 1

| accepted

uicontrol doesn't work in Matlab 2023a

The button position you give is way off push the button outside the universe. This happens with all MATLAB. figure;pauseButton=...

6 maanden ago | 0

| accepted

Finding the index k of square nilpotent matrix A

This modified version of binary search only use matrix multiplication and keep track of A^2^p, p = 0,1,2 ...The number of matrix...

6 maanden ago | 0

Finding the index k of square nilpotent matrix A

I modify your original code and now it seems working: function k = nilIndex(A) [n,n]=size(A); l=0; k=n; B =A^l; while k-l>...

6 maanden ago | 0