Ted Ralphs tkralphs

## gaussian_elim.py
import numpy as np

def GEPP(A, b, doPricing = True):
    '''
    Gaussian elimination with partial pivoting.

    input: A is an n x n numpy matrix
           b is an n x 1 numpy array
    output: x is the solution of Ax=b
            with the entries permuted in
	import numpy as np

	def GEPP(A, b, doPricing = True):
	'''
	Gaussian elimination with partial pivoting.

	input: A is an n x n numpy matrix
	b is an n x 1 numpy array
	output: x is the solution of Ax=b
	with the entries permuted in