-.pp {ecode}

Subtract Operator for Phase Points

Description

The subtract operator used to perform arithmetic on phase points.

Usage

## S3 method for class 'pp'
x - y

Arguments

x

an object of "pp" class representing a phase point.

y

an object of "pp" class representing another phase point.

Value

an object of "pp" class representing the calculated result.

Examples

pp(list(x = 1, y = 1)) - pp(list(x = 3, y = 4))