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MathWorks MOOC Program
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Question
How can I get elegantly an upper triangle random matrix (0 elsewhere)?
I have seen the triu and tril functions, but I can't use them to set to 0: A = rand(4); tril(A)=0; % won't work any i...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Simple calculations giving high imprecisions
I'm doing the following simple code, that aims to find a point position knowing distances in 2D but the outputs is far from t...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
gaussian kernel smoothing, how to optimize parameter sigma?
Hi, my question is how to find an optimal standard deviation for the gaussian kernel filter smoothing? too large, we are lo...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Does matlab have matrix broadasting
This x=[1:3]'; x.^(1:5) would work on Octave thanks to <https://www.gnu.org/software/octave/doc/interpreter/Broadcastin...
plus de 11 ans il y a | 1 réponse | 0
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A logical indexing for row-wise max
I'm wondering if there is anything simpler than: x = [2 3;3 1] [a,b]=max(x, [], 2); % now return the matrix containin...
plus de 11 ans il y a | 1 réponse | 0
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réponseDefining function handles in MATLAB
> f = @(x) 2*x^3+7*x^2+x; > f(0) 0 surprising no one mentioned anonymous functions...
presque 12 ans il y a | 3
