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Fungrim entry: ce8ee4

Symbol: Csgn csgn ⁣(z)\operatorname{csgn}\!\left(z\right) Real-valued sign function for complex numbers
Domain Codomain
zCz \in \mathbb{C} csgn ⁣(z){1,0,1}\operatorname{csgn}\!\left(z\right) \in \left\{-1, 0, 1\right\}
Table data: (P,Q)\left(P, Q\right) such that (P)    (Q)\left(P\right) \implies \left(Q\right)
References:
  • https://www.maplesoft.com/support/help/maple/view.aspx?path=csgn
Definitions:
Fungrim symbol Notation Short description
Csgncsgn ⁣(z)\operatorname{csgn}\!\left(z\right) Real-valued sign function for complex numbers
CCC\mathbb{C} Complex numbers
Source code for this entry:
Entry(ID("ce8ee4"),
    SymbolDefinition(Csgn, Csgn(z), "Real-valued sign function for complex numbers"),
    Table(TableRelation(Tuple(P, Q), Implies(P, Q)), TableHeadings(Description("Domain"), Description("Codomain")), List(Tuple(Element(z, CC), Element(Csgn(z), Set(-1, 0, 1))))),
    References("https://www.maplesoft.com/support/help/maple/view.aspx?path=csgn"))

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2019-09-15 11:00:55.020619 UTC