Package libavg :: Module mathutil

Module mathutil

Classes
	EquationNotSolvable
	EquationSingular
	MovingAverage Moving average implementation.

Functions

getAngle(p1, p2)

getDistance(p, q)

getDistSquared(p, q)

getScaleToSize((width, height), (max_width, max_height))

getScaledDim(size, max=None, min=None)

gauss_jordan(m, eps=1e-10)
Puts given matrix (2D array) into the Reduced Row Echelon Form.

solveEquationMatrix(_matrix, eps=1e-10)

getOffsetForMovedPivot(oldPivot, newPivot, angle)

isNaN(x)

sgn(x)

Variables
	__package__ = `'libavg'`

Function Details

gauss_jordan(m, eps=1e-10)

Puts given matrix (2D array) into the Reduced Row Echelon Form. Returns True if successful, False if 'm' is singular. NOTE: make sure all the matrix items support fractions! Int matrix will NOT work! Written by Jarno Elonen in April 2005, released into Public Domain http://elonen.iki.fi/code/misc-notes/affine-fit/index.html