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Added comments to explain the code.

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Karthik 2024-11-22 16:31:49 +01:00
parent 988df2b5f3
commit db398fe775
1 changed files with 4 additions and 4 deletions
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8
Dipolar-Gas-Simulator/+BdGSolver2D/solveBogoliubovdeGennesIn2D.m
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@ -1,6 +1,6 @@
function [evals, modes] = solveBogoliubovdeGennesIn2D(psi, Params, VDk, VParams, Transf, muchem) function [evals, modes] = solveBogoliubovdeGennesIn2D(psi, Params, VDk, VParams, Transf, muchem)
% 2-D matrix will be unravelled to a single column vector and the corresponding BdG matrix of (N^2)^2 elements solved for.
Size = length(psi(:)); % 2-D matrix will be unwrapped and the corresponding matrix of (N^2)^2 elements solved for. Size = length(psi(:));
Neigs = length(psi(:)); Neigs = length(psi(:));
opts.tol = 1e-16; opts.tol = 1e-16;
opts.disp = 1; opts.disp = 1;
@ -8,8 +8,8 @@ opts.issym = 0;
opts.isreal = 1; opts.isreal = 1;
opts.maxit = 1e4; opts.maxit = 1e4;
BdGVec = @(g) BdGSolver2D.BdGMatrix(g, psi, Params, VDk, VParams, Transf, muchem); BdGVec = @(g) BdGSolver2D.BdGMatrix(g, psi, Params, VDk, VParams, Transf, muchem); % This function takes a column vector as input and returns a
% matrix-vector product which is also a column vector
[g,D] = eigs(BdGVec,Size,Neigs,'sr',opts); [g,D] = eigs(BdGVec,Size,Neigs,'sr',opts);
evals = diag(D); evals = diag(D);
clear D; clear D;