How is this simple code read?

2017 10 6

1 个回答

3 次查看（30 天）

0 个投票

My code is as follows :

mat = [1 2 3 ; 4,5,6 ; 7 8 9];
mat([2 3], [2 3])

Question: Why is the output

5   6
8   9

and how is that determined?

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James Tursa 2017-10-6

编辑：James Tursa 2017-10-6

1 个投票

It is the 2nd & 3rd rows and the 2nd & 3rd columns of the matrix mat. The syntax is simply extracting a sub-matrix of the original.

Kent Le 2017-10-6

Thanks so much!

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