# How do i do this in maple? [closed]

need help with this maple question on sequences, finding it hard to turn the whole bunch of functions into a single maple function.

To answer this question you need to create a Maple function using Maple's arrow (->) notation. Your function should take a Maple list of real numbers as its input and return the smallest cosine from that list.

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Someone voted to close. Perhaps he thinks this is a programming question, not a math question ... For Maple programming questions you could try Maple Primes mapleprimes.com –  GEdgar Sep 26 '12 at 15:05

## closed as off topic by lhf, M Turgeon, William, Norbert, Chris EagleOct 6 '12 at 11:56

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Respecting whether the entries of the list are exact or floating-point,

f := L -> min(map(cos,L));

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Try this:

f:=L->min(seq(evalf(cos(L[i]))),i=1..nops(L));
f([1,3,5,7*Pi/2,-5,Pi]);

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G:=F->min(evalf(seq(cos(x),x=F)));