Eigenvalues and Singular Values plot

Eigenvalues and Singular Values

>> plot(LHS)
>> L = numgrid('L',65);
A = delsq(L);
>> [v,d] = eigs(A,1,0);
>> L(L>0) = full(v(L(L>0)));
>> x = -1:1/32:1;
>> contour(x,x,L,15)
axis square
eigenvalue

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