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Question: Applying a function to 1st elements in nested list

Question:Applying a function to 1st elements in nested list

npsp 10 Maple
February 07 2014
1

I have a nested list a := [[1,2,3],[4,5,6],[7,8,9]]: and would like to apply a function f to the 1st elements in nested list, e.g. [[f(1),2,3],[f(4),5,6],[f(7),8,9]]. How can I achieve this?

Thanks in advance.
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