Deleting Some Specific Entries from a vector

Answer 1

[Wan Ji]

Just do with the following

q = abs(yb);
p = (q==0|q==1|q==0.6|q==0.8);
xa = yb(~p)

if it does not work, use a tolerance TOL

TOL = 1e-5
q = abs(yb);
p = (q<=TOL|abs(q-1)<=TOL|abs(q-0.6)<=TOL|abs(q-0.8)<=TOL);
xa = yb(~p)