how to calculate the value from function define

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la0 = 650; k0 = 2*%pi/la0; ef = 1; ec = -19.6224-0.443*%i; es=ec;
pc = ef/ec; ps = ef/es;
bcinf = sqrt(ec*ef/(ec+ef));
tol = 1e-12;
acut = -real(1/pc/sqrt(ef-ec))/k0;
wc = 2*acut;
nc = sqrt(ef);
w = 5:10:3500; //% thickness range for TM0
w1 = 1.001*wc:10:3500; //% thickness range for TM1
function be=f(la0, ef, ec, w, bcinf, m, tol);
for j=1:length(w)
be(j) = f(la0,ef,ec,w(j),bcinf,0,tol);
end
for j=1:length(w1)
be1(j) = f(la0,ef,ec,w1(j),bcinf,1,tol);
end
neff0 = real(be0); L0 = -1/2./imag(be0)/k0/1000; //% TM0 index & distance
neff1 = real(be1); L1 = -1/2./imag(be1)/k0/1000;// % TM1 index & distance
w2=1000; a = w2/2;// % specific solutions
b = f(la0,ef,ec,a,bcinf,0,tol);// % TM0
p = f(la0,ef,ec,a,bcinf,1,tol);// % TM1
neff02 = real(be02); L02 = -1/2/imag(be02)/k0/1000;
end
disp(be,b,p)
pl help to solve the problem to disp(be,b,p)
  1 Comment
Walter Roberson
Walter Roberson on 16 Feb 2022
Your function f calls itself multiple times, and does so unconditionally. That is an infinite loop.

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