Per my answer to you at If dual variables are non negative, Is there need to initialized?
If mu_n does not appear in any constraints other than being nonnegative, mu_n = 0 is optimal, together with any feasible values of the other variables.
Per my answer to you at If dual variables are non negative, Is there need to initialized?
If mu_n does not appear in any constraints other than being nonnegative, mu_n = 0 is optimal, together with any feasible values of the other variables.