- To: mathgroup at smc.vnet.net
- Subject: [mg115206] quadp
- From: Richard Fateman <fateman at eecs.berkeley.edu>
- Date: Tue, 4 Jan 2011 04:25:56 -0500 (EST)
- References: <email@example.com> <4D21F917.firstname.lastname@example.org> <48AEFA8B-880D-4B9A-B9CC-C1C7414D1384@mimuw.edu.pl> <A934FC78-8B93-45FB-A48D-D5BE2606760E@mimuw.edu.pl>
On 1/3/2011 12:28 PM, Andrzej Kozlowski wrote: > > I forgot one obvious matter. A better way to solve this problem is: > > quadp[f_, x_] /; PolynomialQ[f, x]&& Exponent[f, x] == 2 := > qq @@ CoefficientList[f, x] > > quadp[5 + 4*x + 3*x^2, x] > > qq(5,4,3) > > quadp[r*x^2 + s*x^2, x] > > qq(0,0,r+s) yours does not work for quadp[(x^3+x)/x, x], which I think is a quadratic. my program agrees with me.