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SolveTools

  

Identity

  

solve expressions with identities

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

Identity(eqns, ineqs, vars)

Parameters

eqns

-

system of equations with identities to solve

ineqs

-

system of inequalities

vars

-

variables to solve for

Description

• 

The Identity command solves a system containing one or more identities. The difference between calling Identity and calling solve on a system of identities, is that Identity does only enough processing to remove the identities before attempting to solve the system.  The solve command does much more processing and so may return more complete answers for a system with a mix of identities and other equations or inequations.

Examples

SolveTools:-Identityidentitytzxt+5t=1t,t,,x,z

x=5,z=−1

(1)

SolveTools:-Identityidentityyx=ax+cb,x,,a,b,c

a=y,b=−1,c=0

(2)

See Also

solve/identity

SolveTools