I have a code in python and want to convert it in matlab format
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def DEM(Km, Gm, Ki, Gi, alphai, phii, phi0=0.0, r=1000, phitol=1.0E-10, gamma=0.01):
phi = np.sum(phii)
fraci = phii / np.sum(phi)
ci = fraci * alphai / r
n = int(np.ceil((np.log(1.0 - phi) - np.log(1.0 - phi0)) / np.sum(np.log(1.0 - ci))))
m = len(alphai)
def func(r):
f = np.empty(m)
f[0] = np.log(alphai[0] / r[0]) + np.log(1.0 - phi0 / phi) - np.log(
1 - ((1.0 - phi) / (1.0 - phi0)) ** (1.0 / n))
for j in range(1, m):
f[j] = f[j - 1] + np.log(alphai[j] / r[j]) + np.log(r[j - 1] / alphai[j - 1] - fraci[j - 1])
return f
def fprime(r):
jac = np.diag(-1.0 / r)
for j in range(0, m - 1):
jac[j + 1:, j] = -1.0 / r[j] + 1.0 / (r[j] - fraci[j] * alphai[j])
return jac
r0 = r * np.ones(m)
ri = fsolve(func, r0, fprime=fprime, factor=0.1)
ci = fraci * alphai / ri
thetai = theta(alphai)
fi = f(alphai, thetai)
K = np.empty(n)
G = np.empty(n)
phi = np.empty(n)
K_ = Km
G_ = Gm
phi_ = phi0
for i in range(n):
dphi = ci[0] * (1.0 - phi_)
K_, G_ = KG(K_, G_, Ki[0], Gi[0], ci[0], thetai[0], fi[0])
phi_ += dphi
for j in range(1, m):
dphi *= ci[j] * (1.0 - ci[j - 1]) / ci[j - 1]
K_, G_ = KG(K_, G_, Ki[j], Gi[j], ci[j], thetai[j], fi[j])
phi_ += dphi
K[i] = K_
G[i] = G_
phi[i] = phi_
return K, G, phi
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Réponses (1)
Steven Lord
le 15 Avr 2024
Do you need to convert the code or would being able to run the code in MATLAB be sufficient? If the latter, see the documentation for instructions on how to run Python code in MATLAB.
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