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ListConvolve?

• To: mathgroup at smc.vnet.net
• Subject: [mg42437] ListConvolve?
• From: guillerm at usal.es
• Date: Tue, 8 Jul 2003 04:37:18 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Dear friend:
I has two lists:
days = {t1, t2, t3};
retention = {f[b0, c0, t], f[ b1, c1, t], f[b2, c2, t]};

I wish obtain this output:

{f[b0, c0, t1], f[b0, c0, t2] +  f[b1, c1, t1] ,
        f[b0, c0, t3] +  f[b1, c1, t2] +  f[b2, c2, t1] } // TableForm

I have obtain a solution but it not efficient and my lists are alredy large 
(here are examples). Any help?

Thanks 

Guillermo

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  • Re: ListConvolve?
    • From: Daniel Lichtblau <danl@wolfram.com>