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RE: matrix of coefficients

• To: mathgroup at christensen.cybernetics.net
• Subject: RE: matrix of coefficients
• From: seligjm at vax.sbu.ac.uk
• Date: Tue, 25 Oct 1994 10:42:03 BST

In response to Martin McClain who writes:

>Dear mathgroupers:
>
>If
>varsN = a list of N variables,
>and if
>exprsN = a list of of N expressions, each one linear in the variables of
>varsN,
>
>Is there some operator (that I haven't found yet), or some clever way to
>use a nonobvious operator, to get the matrix of coefficients?

Try:

  Outer[Coefficient,exprsN,varsN]

This is not very "nonobvious" so I guess many other people will suggest it.

Jon Selig