N1. Data input and output

Functions
def	mm_read1 (fname, val, rowptr, colind, base=0, sort=0)
	Read a matrix from the Matrix Market file
def	mm_read_info (fname)
	Read matrix information from Matrix Market file
def	mm_write1 (fname, nrow, ncol, val, rowptr, colind, fchk=0, mshape=0)
	Write a matrix to the Matrix Market file
def	readgmsh22 (fname, x, y, z, kc, lb)
	Read FEM mesh information from Gmsh file
def	writegmsh22 (fname, n, x, y, z, ne, kc, lb)
	Write FEM mesh information to Gmsh file
def	writevtkug (fname, n, x, y, z, ne, kc, u)
	Write coordinates and their values to VTK file (Solution of PDE by FEM)

Detailed Description

This is the group of N1. Data input and output