# Radius

Robert P. Munafo, 1999 Feb 2.

Definitions :

1. One of the coordinates in the polar coordinate system, giving the distance from the origin. Also called the absolute value.

The radius of a complex number a + b i is given by the formula

radius = sqrt (a^{2} + b^{2})

From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2024.

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