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2026-03-13 11:24:41 +08:00

31 lines
644 B
Matlab

function [P, Sw, Cs, Cb] = intADI(p, sw, cs, cb)
n = length(p);
Jp = cell(1,4);
Jsw = cell(1,4);
Jcs = cell(1,4);
Jcb = cell(1,4);
Jp{1} = sparse(1:n, 1:n, ones(n,1), n, n);
Jp{2} = sparse(n,n);
Jp{3} = sparse(n,n);
Jp{4} = sparse(n,n);
Jsw{1} = sparse(n,n);
Jsw{2} = sparse(1:n, 1:n, ones(n,1), n, n);
Jsw{3} = sparse(n,n);
Jsw{4} = sparse(n,n);
Jcs{1} = sparse(n,n);
Jcs{2} = sparse(n,n);
Jcs{3} = sparse(1:n, 1:n, ones(n,1), n, n);
Jcs{4} = sparse(n,n);
Jcb{1} = sparse(n,n);
Jcb{2} = sparse(n,n);
Jcb{3} = sparse(n,n);
Jcb{4} = sparse(1:n, 1:n, ones(n,1), n, n);
P = ADI(p, Jp);
Sw = ADI(sw, Jsw);
Cs = ADI(cs, Jcs);
Cb = ADI(cb, Jcb);