extracting two specific columns from matrix (Indexing)

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Mark Sc
Mark Sc 2021-2-18
回答： Matt J 2021-2-18
Hi all,
I am trying to extract two columns (1 and 3) from a matrix, but I got an error "Error: Unbalanced or unexpected parenthesis or bracket"
anyone help!!!
clearvars
clc;
xxx=[1 2 3;2 4 5;3 4 5;1 1 1];
x=[(;,1) (:,3)]

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Matt J
Matt J 2021-2-18
x=xxx(:,[1,3])

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