Parametric - Maple Help
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SolveTools

  

Parametric

  

solve a set of polynomial equations

 

Calling Sequence

Parameters

Options

Description

Examples

Compatibility

Calling Sequence

Parametric(equations, unknowns, mode=value)

Parametric(equations, unknowns, parameters, mode=value)

Parameters

equations

-

set of polynomial equations

unknowns

-

set of symbols for which to solve

parameters

-

(optional) set of symbols to treat as parameters

value

-

(optional) specify mode (see the Options section)

Options

• 

mode=value

  

This option has three settings, full, lazy (the default), and proviso.  mode=full builds a piecewise solution with a branch for all cases of the solution.  mode=lazy builds a piecewise solution with an explicit solution for the most general case, and an inert function call to compute the rest of the solution if needed using the command value.  mode=proviso returns most of the same information as mode=lazy, but formatted as a list with two elements.  The first element is the most general solution, and the second is a set of conditions that must hold for the solution to be valid.

Description

• 

Build a full parametric discussion of the solutions to the equations with respect to the given parameters.

Examples

> 

with⁡SolveTools:

> 

Parametric⁡a⁢x,x,a

x=xa=0x=0a≠0

(1)
> 

Parametric⁡a⁢x+b,x

b≠0x=xotherwisea=0x=−baa≠0

(2)
> 

Parametric⁡a⁢x+b,x,a

a=0x=−baa≠0

(3)
> 

Parametric⁡a⁢x2−b+a⁢x+b,x

SolveToolsParametric⁡−x⁢b+b,x,ba=0x=1,x=baa≠0

(4)
> 

Parametric⁡a⁢x2−b+a⁢x+b,x,mode=proviso

x=1,x=ba,a≠0

(5)
> 

Parametric⁡a⁢x2−b+a⁢x+b,x,mode=full

x=xb=0x=1b≠0a=0x=1,x=baa≠0

(6)

Compatibility

• 

The SolveTools[Parametric] command was introduced in Maple 15.

• 

For more information on Maple 15 changes, see Updates in Maple 15.

See Also

solve

solve/parametric

SolveTools

value