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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...
meer dan 11 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 11 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 11 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 11 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 11 jaar ago | 1 answer | 0
1
answerDefining function handles in MATLAB
> f = @(x) 2*x^3+7*x^2+x; > f(0) 0 surprising no one mentioned anonymous functions...
meer dan 11 jaar ago | 3
