How to map a list on function
- To: mathgroup at smc.vnet.net
- Subject: [mg97472] How to map a list on function
- From: buts <manger31 at yahoo.com>
- Date: Sat, 14 Mar 2009 05:35:16 -0500 (EST)
Hello,
Could anyone explain me how to do the following:
I have a long list of integer numbers in groups of four:
list= {{10,3,5,7},{4,6,8,9},{0,8,3,6}, ...... }
or its Flatten version.
How to write a fast function g[list] which does this:
g[list] =x^10*y^3*z^5*u^7 + x^4*y^6*z^8*u^9 + y^8*z^3*u^6+ ...
It should be done many times (say, 10^4-6) on lists with length > 1000, so taking parts is not a good idea.
How to use Map or similar ?
Thanks.
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