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another issue with MmaToMaple
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More options Aug 11 2012, 4:24 am
Newsgroups: comp.soft-sys.math.maple
From: Peter Pein <pet...@dordos.net>
Date: Sat, 11 Aug 2012 10:24:42 +0200
Local: Sat, Aug 11 2012 4:24 am
Subject: another issue with MmaToMaple
sigh...
when i paste the text below into the "Mma input" part of the maplet's
window and click "Translate" then I get a strange message:
Title reads: "Unable to translate" and the message is: "Invalid terms in
product: 1"???

My question is: why is 1 an invalid term in a product?

entering 1*1 gives no error (but there are two terms equal to 1)

TIA,
Peter

P.S: the exact copy of the input:
df[a_?NumericQ, n_Integer] :=
Block[{n0 = Ceiling[a/Pi],
ak = (-1)^(#1 + Floor[n/2]) Piecewise[{{Sin, EvenQ[n]}}, Cos][
a/#]/#^n &},
Total[N[Array[ak[#, a] &, n0]]] +
NSum[ak[k, a], {k, n0 + 1, Infinity}]]

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More options Aug 11 2012, 9:55 am
Newsgroups: comp.soft-sys.math.maple
From: Axel Vogt <&nore...@axelvogt.de>
Date: Sat, 11 Aug 2012 15:55:44 +0200
Local: Sat, Aug 11 2012 9:55 am
Subject: Re: another issue with MmaToMaple
On 11.08.2012 10:24, Peter Pein wrote:

I am using Maple 15. For simple cases the translator works, but I
never used it for MMA programs (and do not know, which versions or
constructs are covered).

For the above example I get a different reply:

"(your stuff from above)"; # i.e. entred as string to Maple
convert(%, FromMma);       # should do the translation

results in

Error, invalid terms in product: df(`a_?NumericQ`,n_Integer) := 1

When I remove your line breaks (but not caring for blanks),
then I get something different and readable, but nothing
that Maple understands.

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