Error using horzcat:: Dimensions of array being concentenated are not consistent

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Mark Sc
Mark Sc 2021-3-21
编辑： Stephan 2021-3-21
Hi all,
I am running the following but I got that error Dimensions of arrays being concatenated are not consistent.
clearvars;
clc;
S=[.2046e17 .1381e17 .9249e17;.1679e17 .2385e17 1.2332e17;-2.5339 2.5339 2.7582;2.5339 -2.5339 2.75]
m_idx = [min(S(S>0)), find(S==min(S(S>0)))]
I only need min value and index of such value (can I have the first lowest possible value with it's index ??
Any help

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回答（2 个）

Image Analyst
Image Analyst 2021-3-21
This is a FAQ, so please read the FAQ document. It will tell you in more detail everything we'd tell you.
https://matlab.fandom.com/wiki/FAQ#.22Error_using_horzcat._Dimensions_of_arrays_being_concatenated_are_not_consistent..22
Stephan
Stephan 2021-3-21
编辑：Stephan 2021-3-21
There are 2 times the same values at different indices. To get only the first occourence:
S=[.2046e17 .1381e17 .9249e17;.1679e17 .2385e17 1.2332e17;-2.5339 2.5339 2.7582;2.5339 -2.5339 2.75]
m_idx = [min(S(S>0)), find(S==min(S(S>0)),1)]
or like i commented in your question before use a function to get all indices where the positive minimum value occours:
S=[.2046e17 .1381e17 .9249e17;.1679e17 .2385e17 1.2332e17;-2.5339 2.5339 2.7582;2.5339 -2.5339 2.75]
[m, idx] = myFun(S)
function [m, idx] = myFun(S)
m = min(S(S>0));
idx = find(S==min(S(S>0)));
end

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