com.logspace: Operations in Log-space

Description Usage Arguments Details Value Author(s) Examples

Description

Computes the difference of two values in log-space.

Usage

1
	com.log.sum(x, y)

Arguments

x

first value

y

second value

Details

com.log.sum computes the sum of two values in log-space, log( e^x + e^y ), without significant change of overflow or underflow.

Value

The requested computation in log-space.

Author(s)

Jeffrey Dunn

Examples

1
	b = exp(com.log.sum(log(100), log(20))); # b = 120

jarad/compoisson documentation built on May 18, 2019, 3:45 p.m.