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**Feeds**

Calculation of the moving mean for the first items

From movmean doc "M = movmean(A,k) returns an array of local k-point mean values, where each mean is calculated over a sliding ...

2 dagar ago | 0

Intersection of Discretized Curves

Use this file exchange https://www.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections This code is robust, it d...

2 dagar ago | 1

How can I run code just once, for multiple intervals of numbers?

Use for loop

3 dagar ago | 0

| accepted

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...

3 dagar ago | 1

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)...

4 dagar 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

4 dagar 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...

4 dagar ago | 0

| accepted

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...

5 dagar ago | 1 answer | 0

### 1

answerHow 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...

9 dagar 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...

14 dagar 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...

14 dagar 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.

14 dagar 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...

15 dagar 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...

16 dagar 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...

25 dagar 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...

26 dagar 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:...

ungefär en månad 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader ago | 0

Efficient Vectorization of For Loop

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

6 månader ago | 1

| accepted