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insert singelton dimension for broadcasting
You could also create your own specialized function that does it - [M,N,P,K]=deal(2,3,4,5); A=rand(M,N,P); B=rand(M,N,K); ...

circa un anno fa | 1

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insert singelton dimension for broadcasting
You didn't complete your description of why reshape() is "a bit annoying". If you're going to be doing the same operation repea...

circa un anno fa | 0

Domanda

Behavior with unspecified output arguments
I am a bit puzzled by the behavior I see in the below example. I thought Matlab will always check that a function call assigns a...

circa un anno fa | 1 risposta | 1

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Replacing old version graphshortestpath with new shortestpath function
I tried replacing graphshortestpath() with shortestpath() and matlab still says the function is undefined. A strange thing to ...

oltre un anno fa | 0

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How can I implement this equation in matlab?
All of the summations can be pre-computed using matrix multiplication, e.g. - The results of the...

oltre un anno fa | 0

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Hi! How to fix plane position as a 0 degree angle for Phi azimuth angle or how Matlab understand where Phi angle should be drawn?
A = 3.67 * sin(Phi0) * cos(Theta0); B = 3.67 * sin(Phi0) * sin(Theta0); C = 3.67 * cos(Phi0);

oltre un anno fa | 0

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How would this be solved
Remember that the vector derivative of a parametric curve is tangent to the curve - syms r(theta) r(theta)=[2+3*cos(2*theta)...

oltre un anno fa | 0

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Unable to perform assignment because the size of the left side is 1 by 1 and the size of the right side is 1 by 2
You cannot do this - x=[1,2,3], x(1)=[5,6] %left side 1x1. right side 1x2

oltre un anno fa | 0

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how to plot 100x100 data set
X=rand(100); Y=rand(100); scatter(X,Y);

oltre un anno fa | 0

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mask a matrix based on values in two arrays
A=accumarray([u,v],1,[100,100]); k=ones(2*padu,2*padv); mask=conv2(A,k,'same');

oltre un anno fa | 0

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how can i change the value of a variable with a slider in matlab designer?
Here is a doc page talking about the general process of writing component callbacks in appdesigner. In this particular section, ...

oltre un anno fa | 0

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Minimise memory requirements when importing many images
Why is it better to use NaNs instead of zeros? A value of 0 doesn't conflict with anything because all of your nontrivial values...

quasi 2 anni fa | 0

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How to code binary Fibonacci sequence?
"where the successive elements of the sequence are obtained as the concatenation of the two previous ones" No, see - https://e...

quasi 2 anni fa | 0

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Domanda

A*1 and A+0 could be faster.
Regardless of the size of a matrix A, operations A*1 and A+0 should be very fast. A simple pre-check would detect if one of thes...

quasi 2 anni fa | 1 risposta | 1

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How to call a function with vector input in the fit type function?
SCR has to be a 1D function of the independent variable nu, meaning it has to give valid output when nu is a scalar. That is not...

quasi 2 anni fa | 1

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What is the recommended way to pass long list of parameters between main workspace and function?
Do not use load/save to introduce undeclared variables in your workspace. This can have unexpected effects as described in this ...

quasi 2 anni fa | 0

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Converting a system of coordinates
You cannot do a 3D coordinate conversion from a single 2D camera measurement. You need at least 2 cameras. If you have 2 cameras...

quasi 2 anni fa | 0

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How to find the index of the first absolute minimum entry of a matrix
A=[5,7,0.5,5 ; 2,1,4,1 ; 1,6,7,0.5], [value,index]=min(A(:)) [Iindex,Jindex]=ind2sub(size(A),index)

quasi 2 anni fa | 0

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How to take double integral of a function matrix?
syms x y a=1; b=1; t=1; E=100/72; v=0.2; x1=0; x2=b; x3=b; x4=0; y1=0; y2=0; y3=a; y4=a; B1 = [y-y4;0;x-x2]; B2 = [0;x-x2;...

quasi 2 anni fa | 0

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define nonlcon in fmincon
function [c, ceq] = mycon(x) ceq=[]; c(1) = -nonlinearfunction1 % Compute nonlinear inequalities at x. c(2) c(3) ...

quasi 2 anni fa | 0

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multi array vectorization problem (reformulated)
% init A = [ -0.8013 -0.4981; -0.2278 -0.9009]; t = 0:0.01:1e2; tic; % eigen space [V,D]=eig(A,'vector'); D = resh...

quasi 2 anni fa | 1

Domanda

Since when has it been possible to dot-index the output of a class method?
Since when has it been possible to directly dot-index the output of a class method call, like this - classdef myClass p...

quasi 2 anni fa | 1 risposta | 1

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How to formulate the following matrices?
Why not just - T=zeros(3,3,n); for i=1:n T(:,:,i) = [cos(theta(i)) -sin(theta(i)) x(i) sin(th...

quasi 2 anni fa | 3

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Finding close-to-linear solution
Using fsolve inside of fsolve is a doubtful-sounding thing to do. Why not just combine the equations from solveE with the equati...

quasi 2 anni fa | 1

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Input multiple arrays into function
Simpler example, L2 = [0 1/2 1/3 0 0 0 0; 1/3 0 0 0 1/2 0 0; 1/3 1/2 0 1 0 0 0; 1/3 0 1/3 0 1/2 0 0; ...

quasi 2 anni fa | 0

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Problem with ploting exp function
If I had to guess, you have x and y reversed. [X, Y] = ndgrid(x, y); surf(X, Y, t(X,Y));

quasi 2 anni fa | 1

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Multiple fminbnd errors with a parametrized function
Here is a symbolic method, if that's what you wanted. syms t f(t) f(t) = exp(cos(t)) - sin((3^(1/2)*sin(t))/3); vpasolve(di...

circa 2 anni fa | 0

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how to read multiple column data from excel sheet as a particular variables and use them as input other formula calculations in multiple itrations
Look at readmatrix(), readvars(), readtable(), etc...

circa 2 anni fa | 0

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Condensing code cannnot figure out easier function to use
threshold=30; %don't call this "max" blocklen=300; difference=rand(1,9268); N=numel(difference); Nc=ceil(N/blocklen)*blo...

circa 2 anni fa | 0

Domanda

How do I enable a user to link his Matlab license?
I have recently become a Matlab license administrator for my organization. I have a user who is trying to link his license to hi...

circa 2 anni fa | 0 risposte | 1

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