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Is there an option to overwrite the old release when installing a new one?
No, there is not. You should always manually uninstall any versions you don't want. It is probably a good thing that they make y...

environ un an il y a | 2

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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); ...

environ un an il y a | 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...

environ un an il y a | 0

Question


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...

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A répondu
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 ...

plus d'un an il y a | 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...

plus d'un an il y a | 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);

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A répondu
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)...

plus d'un an il y a | 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

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

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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');

plus d'un an il y a | 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, ...

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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...

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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...

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Question


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...

presque 2 ans il y a | 1 réponse | 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...

presque 2 ans il y a | 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 ...

presque 2 ans il y a | 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...

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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)

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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;...

presque 2 ans il y a | 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) ...

presque 2 ans il y a | 0

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A répondu
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...

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Question


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...

presque 2 ans il y a | 1 réponse | 1

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A répondu
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...

presque 2 ans il y a | 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...

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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; ...

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A répondu
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));

presque 2 ans il y a | 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...

environ 2 ans il y a | 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...

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