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main.py
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main.py
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#!/usr/bin/env python
import default
import kernel
import f
import J
import chi
import entropy
import newton
import printFile
import nan
def read_spectral(fileName):
import numpy as np
omega = []
A = []
ifile = open(fileName, "r")
for index, string in enumerate(ifile):
a = string.split()
omega.append(float(a[0]))
A.append(float(a[1]))
ifile.close()
return omega, np.asarray(A)
def readFiles(Greal, Gimag):
import os
import sys
import numpy as np
import sys
omega_n = []
G_real = []
G_imag = []
try:
ifile = open(Greal, "r")
except:
sys.exit(Greal + " does not exist. ")
for index, string in enumerate(ifile):
a = string.split()
omega_n.append(float(a[0]))
G_real.append(float(a[1]))
ifile.close()
try:
ifile = open(Gimag, "r")
except:
sys.exit(Gimag + " does not exist. ")
for index, string in enumerate(ifile):
a = string.split()
G_imag.append(float(a[1]))
ifile.close()
G_real = np.asarray(G_real)
G_imag = np.asarray(G_imag)
return omega_n, G_real, G_imag
def main():
import os
import sys
import numpy as np
import numpy.linalg
if (len(sys.argv) == 1):
print "a0 = sys.argv[1], b0 = sys.argv[2]. alpha = a0*exp(-i*b0). "
return -1
if (len(sys.argv) == 2):
a0 = float(sys.argv[1])
b0 = 0.05
if (len(sys.argv) == 3):
a0 = float(sys.argv[1])
b0 = float(sys.argv[2])
Greal = "G_cc_real.txt"
Gimag = "G_cc_imag.txt"
omega_n, G_real, G_imag = readFiles(Greal, Gimag)
Niom = len(omega_n)
N = 101
omega_lower = -8
omega_upper = -omega_lower
domega = (omega_upper - omega_lower)/float(N)
omega = np.zeros(N+1)
for i in range(N+1):
omega[i] = omega_lower + i*domega
Nomega = len(omega)
A_initial = np.zeros(Nomega)
model = np.zeros(Nomega)
for i in range(Nomega):
model[i] = default.D(omega[i])
printFile.printFile(omega, model, "model.txt")
if (not os.path.exists("A_initial.txt")):
for i in range(len(A_initial)):
A_initial[i] = default.D(omega[i])
printFile.printFile(omega, A_initial, "A_initial.txt")
else:
omega, A_initial = read_spectral("A_initial.txt")
Nomega = len(omega)
C_real = np.zeros((Niom, Niom))
C_imag = np.zeros((Niom, Niom))
ifile = open("CM_cc_real.txt", "r")
for (index, string) in enumerate(ifile):
a = string.split()
rowIndex = int(a[0])-1
colIndex = int(a[1])-1
if (True):
C_real[rowIndex, colIndex] = float(a[2])
ifile.close()
ifile = open("CM_cc_imag.txt", "r")
for (index, string) in enumerate(ifile):
a = string.split()
rowIndex = int(a[0])-1
colIndex = int(a[1])-1
if (True):
C_imag[rowIndex, colIndex] = float(a[2])
ifile.close()
eig = 0.01
ofile = open("eig.txt", "w")
ofile.write(str(eig) + "\n")
ofile.close()
for i in range(Niom):
C_real[i, i] = eig**2
C_imag[i, i] = eig**2
C_real_inv = numpy.linalg.inv(C_real)
C_imag_inv = numpy.linalg.inv(C_imag)
printFile.printMatrix(C_real_inv, "C_real_inv.txt")
if (False):
alpha = 1.0
function = f.f(alpha, G_real, G_imag, A_initial, omega_n, omega, C_real_inv, C_imag_inv)
Jacobian = J.J(alpha, A_initial, omega_n, omega, C_real_inv, C_imag_inv)
print function
printFile.printMatrix(Jacobian, "J.txt")
return 0
if (True):
alpha = []
for i in range(30):
alpha.append(a0*np.exp(-i*b0))
ofile = open("alpha.txt", "a")
for i in range(len(alpha)):
A_updated = newton.newton(alpha[i], G_real, G_imag, omega_n, omega, A_initial, C_real_inv, C_imag_inv)
if (nan.array_isnan(A_updated)):
omega, A_initial = read_spectral("A_initial.txt")
continue
output = "A_updated_alpha_" + str(alpha[i]) + ".txt"
printFile.printFile(omega, A_updated, output)
os.system("cp " + output + " A_initial.txt")
ofile.write(str(alpha[i]) + "\n")
print "alpha = ", alpha[i]
A_initial = A_updated
ofile.close()
else:
alpha = 0.01
print "alpha = ", alpha
A_updated = newton(alpha, G, omega_n, omega, A_initial, C_real_inv, C_imag_inv)
if (nan.array_isnan(A_updated)):
printFile.printFile(omega, A_updated, "A_updated_alpha_" + str(alpha) + ".txt")
os.system("cp A_updated_alpha_" + str(alpha) + ".txt" + "A_initial.txt")
return 0
main()