Starting diary file diary-13-Oct-2010.txt

load temperature
A = A100;
10000 * 10000
nnz(A)
spy(A)

who
whos

[L,U,P] = lu(A);
size(L)
nnz(A)
nnz(L)
spy(A)
spy(L)
spy(A)
spy(P)

p = amd(A);
size(p)
p
AA = A(p,p);
[LL,UU,PP] = lu(AA);
nnz(LL)
nnz(L)

spy(A)
spy(L)
spy(AA)
spy(LL)
spy(UU)
spy(LL)
clc

[U,G] = surfer('http://cs.ucsb.edu/~cs111',30);
size(G)
spy(G)
whos
size(U)
U

diary off