# -*- coding: utf-8 -*-
"""
Created on Fri Sep 30 07:48:21 2022

@author: Chris
"""

import numpy as np
from scipy import sparse as sp
from scipy.sparse import linalg as sla

row = np.array([0,1,2,3,4])
col = np.array([0,1,2,3,4])

entries = np.array([1.,2.,3.,4.,5.])

A = sp.csc_matrix((entries,(row,col)))


A1 = A.todense()

print(A1)


row = np.array([0,1,2,3,4,0,1,2,3])
col = np.array([0,1,2,3,4,1,2,3,4])

entries = np.array([1.,2.,3.,4.,5.,1.,1.,1.,1.])

A = sp.csc_matrix((entries,(row,col)))


A2 = A.todense()

print(A2)