Re: quartic equation
- To: mathgroup at smc.vnet.net
- Subject: [mg108752] Re: quartic equation
- From: dh <dh at metrohm.com>
- Date: Tue, 30 Mar 2010 05:01:36 -0500 (EST)
- References: <hoq4gb$164$1@smc.vnet.net>
Hi Leslaw, assume ci is the coefficient of x^i. Then we can write: poly = c0 + c1 x + c2 x^2 + c3 x^3 + c4 x^4; Solve[poly == 0, x] This gives the roots in terms of ci. Daniel On 29.03.2010 13:55, Leslaw Bieniasz wrote: > Hi, > > I am totally unexperienced in MATHEMATICA, and I am looking for some > advice. I need to solve a quartic equation symbolically, that is to factor > a fourth order polynomial given in the power base. The coefficients > of the polynomial are complicated expressions of a number of parameters, > and I need to obtain expressions for the roots as functions of these > parameters. Is there any way to do this? I would appreciate if > anybody can send me some simple example code showing how this sort > of problems can be solved. > > Leslaw > -- Daniel Huber Metrohm Ltd. Oberdorfstr. 68 CH-9100 Herisau Tel. +41 71 353 8585, Fax +41 71 353 8907 E-Mail:<mailto:dh at metrohm.com> Internet:<http://www.metrohm.com>