def obj_grad_scipy_noinspect(x):
#retrieve r and k
grad = np.zeros(m)
r = x[0:m]
k = x[m:]
sigmaX = hp.sigma(E, F, r)
sigmaY_Taylor = hp.sigmaY(sigmaX, D)
#Compute Unit Cost
C = hp.C(A, B, r)
for i in range(0, m): # Change this for loop to vectorization
dCi_dri_v = hp.dCi_dri(B[i], r[i])
dsigmai_dri_v = hp.dsigmai_dri(F[i], r[i])
dsigmaY_dri_v = hp.dsigmaY_dri(D, sigmaX, r, i, dsigmai_dri_v)
grad_r[i] = hp.dU_dri_noscrap(USY, miuY, sigmaY_Taylor, C, k, i,
dsigmaY_dri_v, dCi_dri_v)
grad[:] = grad_r
return grad
def obj_nlopt_noinspect(x, grad):
#retrieve r as the optimization variable x. (k will not be optimized, so just use const)
r = x[0:x.size]
sigmaX = hp.sigma(E, F, r)
sigmaY_Taylor = hp.sigmaY(sigmaX, D)
#Compute Unit Cost
C = hp.C(A, B, r)
U = hp.U_noscrap(C, USY, miuY, sigmaY_Taylor)
sigmaX = hp.sigma(E, F, r)
sigmaY_Taylor = hp.sigmaY(sigmaX, D)
for i in range(0, m): # Change this for loop to vectorization
dCi_dri_v = hp.dCi_dri(B[i], r[i])
dsigmai_dri_v = hp.dsigmai_dri(F[i], r[i])
dsigmaY_dri_v = hp.dsigmaY_dri(D, sigmaX, r, i, dsigmai_dri_v)
grad_r[i] = hp.dU_dri_noscrap(USY, miuY, sigmaY_Taylor, C, k, i,
dsigmaY_dri_v, dCi_dri_v)
if grad.size > 0:
grad[:] = grad_r
return U
def obj_nlopt_noinspect(x, grad, para):
#retrieve r as the optimization variable x. (k will not be optimized, so just use const)
A = para[0]
B = para[1]
E = para[2]
F = para[3]
r = x[0:m]
sigmaX = hp.sigma(E, F, r)
sigmaY_Taylor = hp.sigmaY(sigmaX, D, scenario, k)
#Compute Unit Cost
C = hp.C(A, B, r)
U = hp.U_noscrap(C, USY, miuY, sigmaY_Taylor, Sp)
for i in range(0, m): # Change this for loop to vectorization
dCi_dri_v = hp.dCi_dri(B[i], r[i])
dsigmai_dri_v = hp.dsigmai_dri(F[i], r[i])
dsigmaY_dri_v = hp.dsigmaY_dri(D, sigmaX, r, i, dsigmai_dri_v,
scenario, k)
grad_r[i] = hp.dU_dri_noscrap(USY, miuY, sigmaY_Taylor, C, k, i,
dsigmaY_dri_v, dCi_dri_v, Sp)
if grad.size > 0:
grad[:] = grad_r #Make sure to assign value using [:]
#print(U)
return U
C_minus = hp.C(A, B, ri_minus_epsilon)
sigmaY_Taylor_plus = hp.sigmaY(sigmaX_plus, D, scenario, k)
sigmaY_Taylor_minus = hp.sigmaY(sigmaX_minus, D, scenario, k)
if scenario == 1: #NO INSPECT
#gradient computed by numerical estimation
grad_numerical_r[i] = (hp.U_noscrap(
C_plus, USY, miuY, sigmaY_Taylor_plus, Sp) - hp.U_noscrap(
C_minus, USY, miuY, sigmaY_Taylor_minus, Sp)) / (2 * epsilon)
print('Numerical_No scrap_' + 'dr' + str(i), '=', grad_numerical_r[i])
#gradient computed by equation
dCi_dri_v = hp.dCi_dri(B[i], r[i])
dsigmai_dri_v = hp.dsigmai_dri(F[i], r[i])
dsigmaY_dri_v = hp.dsigmaY_dri(D, sigmaX, r, i, dsigmai_dri_v,
scenario, k)
grad_equation_r[i] = hp.dU_dri_noscrap(USY, miuY, sigmaY_Taylor, C, k,
i, dsigmaY_dri_v, dCi_dri_v, Sp)
print('Equation_No scrap_' + 'dr' + str(i), '=', grad_equation_r[i])
elif scenario == 2: #Inspection FIX k
#Varify dr
#gradient computed by numerical estimation
grad_numerical_r[i] = (
hp.U_scrap(C_plus, USY, miuY, sigmaY_Taylor_plus, k, Sp, Sc) -
hp.U_scrap(C_minus, USY, miuY, sigmaY_Taylor_minus, k, Sp, Sc)) / (
2 * epsilon)
print('Numerical_scrap_' + 'dr' + str(i), '=', grad_numerical_r[i])
#gradient computed by equation
dCi_dri_v = hp.dCi_dri(B[i], r[i])
dsigmai_dri_v = hp.dsigmai_dri(F[i], r[i])
dsigmaY_dri_v = hp.dsigmaY_dri(D, sigmaX, r, i, dsigmai_dri_v,
scenario, k)