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## Re: [Axiom-math] (no subject)

**From**: |
Martin Rubey |

**Subject**: |
Re: [Axiom-math] (no subject) |

**Date**: |
Mon, 20 Dec 2004 11:56:54 +0100 |

solve([x*y + a*x^2 = 10, x-y = 2], [x,y])
2
(5) [[x= y + 2,(a + 1)y + (4a + 2)y + 4a - 10= 0]]
Type: List List Equation Fraction Polynomial Integer
(However, these are really polynomial equations...)
Martin
cf writes:
>* *
>* 20 December 2004*
>* *
>* Dear Colleagues,*
>* *
>* Any assistance with the following will be appreciated:*
>* *
>* (1) In a user defined function what is the instruction to display something*
>* like a symbolic*
>* variable, etc., and then to pause (and continue after hitting enter)*
>* ??*
>* *
>* eg in matlab: *
>* a = 1 *
>* pause; *
>* b = 3 *
>* pause;*
>* *
>* (2) In axiom is there a built-in function to solve a set of nonlinear*
>* equations analytically (or if necessary*
>* numerically) wrt the user specified unknowns ??*
>* *
>* eg. in matlab*
>* solve('x1*x2 + a*x2^2 = 10', ' x1 - x2 = 2', 'x1', 'x2');*
>* *
>* *
>* Regards,*
>* *
>* C. Frangos.*
>* *
>* ------*
>* Constantine Frangos.*
>* Professor*
>* Dept. of Mathematics and Statistics*
>* Rand Afrikaans University*
>* P O Box 524*
>* Auckland Park 2006*
>* South Africa*
>* *
>* Tel: +27-11-489-2452*
>* Fax: +27-11-489-2832*
>* e-mail: address@hidden (work)*
>* address@hidden (home)*
>* *
>* *
>* *
>* *
>* _______________________________________________*
>* Axiom-math mailing list*
>* address@hidden*
>* http://lists.nongnu.org/mailman/listinfo/axiom-math*