Re: select equal element between matrices

[Francesco Potortì]

>i've this vector:
>
>a=[3 2 5 5 6 6 2 3] 
>b=[0 1 0 0 1 1 0 0] 
>c=["a","b","a","a","b","c","a","a"] 
>
>i want to concatening element of string:
>
>column 1: a(3)+b(0)+c("a") = 30a
>column 2: a(2)+b(1)+c("b") = 21b
>column 3: a(5)+b(0)+c("a") = 50b

As Thomas Dean has pointed out, have a look at num2str, consider that
you want column vectors (a' is a column vector), and that you should
better understand hw indices work: a(3) is 5!

In short, you want to concatenate strings, and you should convert
numbers to strings to do that.

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