Understanding Maple by Ian Thompson

Author:Ian Thompson [Thompson, Ian]
Language: eng
Format: azw3
Publisher: Cambridge University Press
Published: 2016-11-24T05:00:00+00:00

A system of equations or expressions contained in a set can be used as the first argument to fsolve. The variables for which to solve can also be given in a set.

> eqn1 := x^2 - y^3 + z = 0 :

> eqn2 := sin( x ) + exp( -y ) - z^2 = 0 :

> eqn3 := cos( x ) - z = 0 :

> fsolve( { eqn1 , eqn2 , eqn3 } , { x , y , z } ) ;

Similarly, a set of ranges or initial guesses can be provided when solving simultaneous equations.

> eq1 := x^2 + y^2 = 1 :

> eq2 := y = x^3 :

> fsolve( { eq1 , eq2 } , { x = 0 .. 1 , y = 0 .. 1 } ) ;

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