Fungrim home page

Fungrim entry: a6776b

atan2 ⁣(0,x)={0,x0π,x<0\operatorname{atan2}\!\left(0, x\right) = \begin{cases} 0, & x \ge 0\\\pi, & x < 0\\ \end{cases}
Assumptions:xRx \in \mathbb{R}
TeX:
\operatorname{atan2}\!\left(0, x\right) = \begin{cases} 0, & x \ge 0\\\pi, & x < 0\\ \end{cases}

x \in \mathbb{R}
Definitions:
Fungrim symbol Notation Short description
Atan2atan2 ⁣(y,x)\operatorname{atan2}\!\left(y, x\right) Two-argument inverse tangent
ConstPiπ\pi The constant pi (3.14...)
RRR\mathbb{R} Real numbers
Source code for this entry:
Entry(ID("a6776b"),
    Formula(Equal(Atan2(0, x), Cases(Tuple(0, GreaterEqual(x, 0)), Tuple(ConstPi, Less(x, 0))))),
    Variables(x),
    Assumptions(Element(x, RR)))

Topics using this entry

Copyright (C) Fredrik Johansson and contributors. Fungrim is provided under the MIT license. The source code is on GitHub.

2019-09-16 21:17:18.797188 UTC