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How to pass a Matlab function handle to C-Mex Code
Rather than using function handle, call MATLAB with function name using mexCallMATLAB

circa un anno fa | 0

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App Designer-Unrecognized variables
Try this: % Button pushed function: RUNButton function RunSimu(app, event) % Get all variable names in the base workspace va...

circa un anno fa | 0

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MATLAB eig function giving different eigenvectors on different computers?
"In both cases the computation A*V - V*D yields a matrix with entries on the order of 1e-14, so all is well numerically in both ...

circa un anno fa | 1

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How to rewrite this high dimensional matrix calculation
Fully vectorized Y = reshape(X, [], 1, C); Z = reshape(Y, 1, [], C)-Y; Z = reshape(Z, [], C); Z(1:A*B+1:end,:) = Y; Z = res...

circa un anno fa | 1

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Is genetic algorithm far from upper bound ?
Use optimization with constraints to fix the upper bound You can provide the upper bound in ga as well

circa un anno fa | 0

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Interpolate and plot a surface in a rotated coordinated system
Try this and see if it's OK for you load('measurement_data.mat'); % fit a plane through the data and plot xyz = [x y z]; [...

circa un anno fa | 0

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Check if file directory exists, else create it
mkdir(FullDirectory) rather than mkdir FullDirectory

circa un anno fa | 0

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scale/normalize parameter vector for optimization
An interesting idea of generic "preconditioning" of Bspline approximmation is working with Dual Bernstein basis, decribe in Lu p...

circa un anno fa | 0

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scale/normalize parameter vector for optimization
1. In machine learning literature, I often encounter [0,1] scaling as a common technique. Would this approach be suitable for m...

circa un anno fa | 0

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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 ...

circa un anno fa | 0

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

circa un anno fa | 1

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

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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...

circa un anno fa | 2

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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)...

circa un anno fa | 0

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How to open help doc in a Window rather than browser？
https://www.mathworks.com/help/install/ug/install-documentation-on-offline-machines.html

circa un anno fa | 3

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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...

circa un anno fa | 0

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Domanda


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...

circa un anno fa | 1 risposta | 0

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How 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...

circa un anno fa | 3

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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...

oltre un anno fa | 2

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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...

oltre un anno fa | 0

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Quivers/streamlines not perpendicular to contours
Add the command axis equal Different aspect ratio in x and y can skew the perpendicularity visually.

oltre un anno fa | 0

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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...

oltre un anno fa | 1

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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...

oltre un anno fa | 0

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Domanda


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...

oltre un anno fa | 3 risposte | 2

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Best 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...

oltre un anno fa | 1

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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:...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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