what does x= [ones(1,2) 2 ones(1,1) 2 ones(1,2) 1] do?

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Prb 2019-5-8

评论： Prb 2019-5-14

please explain the X= [ones(1,2) 2 ones(1,1) 2 ones(1,2) 1];

line of code. I understand that it is creating 1 by 2 array of ones. But what is the significance of 2 ones(1,1) and so on.

KSSV 2019-5-8

It depends on the requirement of what array you want. If you see that line generates:

[1 1 2 1 2 1 1 1]

The array has 2 in 3rd, 4th position. So 2 is used. The same can also be generated using:

 X = ones(1,8) ;
 X([3 5]) = 2

Prb 2019-5-14

Thanks for the explanation.

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