find the minmum value in each column of a matrix

A=[ 0       10.1164         0             0               0
   11.4474         0             0             0               0
         0      14.8026          0             0               0
         0             0              0             0          17.4658
         0             0         5.3885         0               0
   13.7349        0              0             0               0
         0             0              0         14.9564        0
         0             0         10.7354         0             0
         0             0              0               0          18.0236
         0             0              0          17.2189      0];
A(A==0)=NaN;
min(A)
ans = 1×5
   11.4474   10.1164    5.3885   14.9564   17.4658

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kurdistan mohsin 2022-4-11

it worked thanks alot!

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Answer 2

Mathieu NOE 2022-4-11

0
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1693755-find-the-minmum-value-in-each-column-of-a-matrix#answer_940150

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hello

try this :

d=[       0       10.1164         0             0               0;
   11.4474         0             0             0               0;
         0      14.8026          0             0               0;
         0             0              0             0          17.4658
         0             0         5.3885         0               0;
   13.7349        0              0             0               0;
         0             0              0         14.9564        0;
         0             0         10.7354         0             0;
         0             0              0               0          18.0236;
         0             0              0          17.2189      0];
     
for ci = 1:size(d,2)
    tmp = d(:,ci);
    ind_non_zero = find(tmp>0);
    [val(ci),ind] = min(tmp(ind_non_zero));
    ind_final(ci) = ind_non_zero(ind);
end
val % min value (column direction)
ind_final % corresponding row position