convert/relation
convert Complex and Real ranges into relations expressed using =, <=, <, >=, and >
Calling Sequence
Parameters
Description
Examples
convert( expr, relation )
expr
-
expression
The convert(expr, relation) function converts Real ranges and Complex ranges found in expr into relations using =,<=,<,>=,>.
Note: in Maple, by convention, when you say, for instance, z <= 1, it is implicitly assumed that ℑ(z) = 0.
z::ComplexRange⁡−1−I,1+I
convert⁡,relation
−1≤ℜ⁡z∧ℜ⁡z≤1∧−1≤ℑ⁡z∧ℑ⁡z≤1
zinComplexRange⁡−∞⁢I,I
z∈ComplexRange⁡−∞⁢I,I
convert⁡,RealRange
ℜ⁡z∈0,ℑ⁡z∈−∞,1
ℜ⁡z=0,−∞≤ℑ⁡z∧ℑ⁡z≤1
When constructions like z < a or z <= a are around, it is understood that z is real
FunctionAdvisor⁡branch_cuts,arcsin
arcsin⁡z,z≤−1∨1≤z
FunctionAdvisor⁡branch_cuts,arccot
arccot⁡z,z∈ComplexRange⁡−∞⁢I,−I∨z∈ComplexRange⁡I,∞⁢I
arccot⁡z,ℜ⁡z=0∧−∞≤ℑ⁡z∧ℑ⁡z≤−1∨ℜ⁡z=0∧1≤ℑ⁡z∧ℑ⁡z≤∞
See Also
assume[parametric]
ComplexRange
convert
FunctionAdvisor
RealRange
relation
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