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Coefficient

• To: mathgroup at smc.vnet.net
• Subject: [mg126531] Coefficient
• From: J Jesus Rico-Melgoza <ricomelgozajjesus at gmail.com>
• Date: Thu, 17 May 2012 04:10:54 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

Dear members,

I am using the function Coefficient[expr, form] in series such as

x(t)=a+b Cos[t]+c x[t]Cos[t]

I wonder if it is possible to force mathematica to find only the
coefficient b when using

series = a + b Cos[t] + c x[t] Cos[t]

Coefficient[series, Cos[t]]


Sol

b + c x[t]


Regards


Jesus Rico-Melgoza

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