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• roundig up to a certain floating point- matlab

  - by Chaggster

  hi. im new in MATLAB. i think its a simple question. i want: a=1.154648126486416 to become a=1.154 and not a=1.54000000000 how do i do that without useing format('bank'). thanks.

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• How can I get weighted random selections from an array in Perl?

  - by Chaggster

  I need to random some elements from an array. I'm doing that by randomizing the index $array[int(rand(100))]. I want some of the elements to appear more often. How do I do it? I thought of a stupid solution of having those elements duplicated several times in the array, but I'm sure you guys can do better.

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