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convert/RealRange

convert ComplexRanges into RealRanges

Calling Sequence

convert( expr, RealRange )

Parameters

expr

-

expression

Description

The convert(expr, RealRange) function converts Complex ranges (see assume[parametric] ) in expr into Real ranges .

Note: in Maple, by convention, when you say, for instance, z1, it is implicitly assumed that z = 0.

Examples

>

z::ComplexRange1I,1+I

z::ComplexRange−1I,1+I

(1)
>

convert,RealRange

z::−1,1,z::−1,1

(2)
>

zinComplexRangeI,I

zComplexRangeI,I

(3)
>

convert,RealRange

z0,z,1

(4)

In turn, RealRange s as well as ComplexRange s can be converted into relations .

>

=convert,relation

z0,z,1=z=0,zz1

(5)
>

FunctionAdvisorbranch_cuts,arccot

arccotz,zComplexRangeI,−IzComplexRangeI,I

(6)
>

convert,relation

arccotz,z=0zz−1z=01zz

(7)

Note that when constructions such as z<a or za are used, it is understood that z is real

>

FunctionAdvisorbranch_cuts&comma;arcsin

arcsinz&comma;z−11z

(8)


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