Calculating log for each array element

[David Bateman]

DimitryASuplatov wrote:
> Hello,
>
> I have array with some values initialized as
>
> a = load <filename>
>
> I want now to create another array b so as b[i] = log(a[i])
> I do this as follows
>
> for i = 1:length(a)
> 	b(i) = log(a(i))
> endfor
>
> This works but it takes to long
>
> 1/ Is there any way to speed this up?
> 2/ How to convert my array a to list?
> 3/ How to append to array?
>
> I really appreciate your help!
> Thank you!
>
> SDA
>
>   
what's wrong with "b = log(a)"?

D.

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David Bateman                                David.Bateman at motorola.com
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