示例#1
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def main():
    A = matrix.create_matrix(stdin.readline().split())
    B = matrix.create_matrix(stdin.readline().split())
    pi = matrix.create_matrix(stdin.readline().split())
    emissions = matrix.create_vector(stdin.readline().split())
    T = len(emissions)  # nb of observations
    N = len(A)
    delta_matrix = [[0.0 for _ in range(N)] for _ in range(T)]
    # remember that delta_id_matrix always have the index written as actual index - 2 (instead of -1)
    # since t = 1 has no predecessor
    delta_id_matrix = [[0 for _ in range(N)] for _ in range(T - 1)]

    for i in range(N):
        delta_matrix[0][i] = B[i][emissions[0]] * pi[0][i]
    for t in range(1, T):
        for i in range(N):
            temp = []
            for j in range(N):
                temp.append(A[j][i] * delta_matrix[t - 1][j] *
                            B[i][emissions[t]])
            delta_matrix[t][i] = max(temp)
            delta_id_matrix[t - 1][i] = temp.index(delta_matrix[t][i])

    seq = [delta_matrix[T - 1].index(max(delta_matrix[T - 1]))]
    for t in reversed(range(T - 1)):
        seq.append(delta_id_matrix[t][seq[-1]])
    seq = reversed(seq)
    result = ""
    for state in seq:
        result += str(state) + " "
    print(result[:-1])
    return result[:-1]
示例#2
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def main():
    A = matrix.create_matrix(stdin.readline().split())
    B = matrix.create_matrix(stdin.readline().split())
    pi = matrix.create_matrix(stdin.readline().split())
    v1 = matrix.matrix_vec_mul(pi, A)
    v2 = matrix.matrix_vec_mul(v1, B)
    n = len(v2[0])
    result = "1 " + str(n)
    for i in range(0, n):
        result += " " + str(v2[0][i])
    print(result)
    return result
示例#3
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def linkingnumber(overstrandlist, signlist, colourlist, p):
    dln_mat = []
    for k in range((p - 1) // 2 + 1):
        coeff_matrix = matrix.create_matrix(overstrandlist, colourlist, signlist, p, k)

        coeff_dict = rrematrix_to_dict(coeff_matrix, p, k)
        # print("k =", k)
        # print("Coefficients:", coeff_dict)
        # print()
        dln = matrix_to_dln(colourlist, overstrandlist, signlist, coeff_dict, p, k)
        dln_mat.append(dln)

    return dln_mat
示例#4
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def main():
    A = matrix.create_matrix(stdin.readline().split())
    B = matrix.create_matrix(stdin.readline().split())
    pi = matrix.create_matrix(stdin.readline().split())
    emissions = matrix.create_vector(stdin.readline().split())
    T = len(emissions)  # nb of observations
    N = len(A)
    alpha_matrix = [[0.0 for _ in range(N)] for _ in range(T)]
    for i in range(N):
        alpha_matrix[0][i] = B[i][emissions[0]] * pi[0][i]
    for t in range(1, T):
        for i in range(N):
            s = 0
            for j in range(N):
                s += A[j][i] * alpha_matrix[t - 1][j]
            alpha_matrix[t][i] = B[i][emissions[t]] * s

    result = 0
    for i in range(N):
        result += alpha_matrix[T - 1][i]
    print(result)
    return result
示例#5
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def gauss_to_dln(gauss, p):

    overstrand = gauss_to_overstrand.create_overstrand_list(gauss)
    signlist = gauss_to_signlist.SignList(gauss)
    colourlists = rrematrix_to_colourlist.overstrand_to_colourlist(overstrand, p)

    # print(signlist, overstrand, colourlists)

    complete_dln = []
    for i in range(len(colourlists)):
        colourlist = colourlists[i]

        if len(colourlist) % 2 == 1:
            colourlist.append(colourlist[0])
            if i == 0:
                signlist.append(1)
                overstrand.append(len(overstrand))
        # print(signlist, overstrandlist, colourlist)
        dln_mat = []

        for k in range(((p - 1) // 2) + 1):
            # print(k)
            mat = matrix.create_matrix(overstrand, colourlist, signlist, p, k)
            coeffs = rrematrix_to_dict(mat, p, k)
            # print("Coefficients: k = ", k)
            # print(coeffs)
            # print()

            dlns = matrix_to_dln(colourlist, overstrand, signlist, coeffs, p, k)
            dln_mat.append(dlns)
        complete_dln.append(dln_mat)
    # print(complete_dln)

    error_list = errors(complete_dln, p)

    if error_list == []:
        return complete_dln

    else:
        return ["Error:", error_list]
示例#6
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文件: test.py 项目: Mayer-Cheung/test
import matrix

a = matrix.rand_matrix(4, 4)
b = matrix.rand_matrix(4, 4)

c = matrix.create_matrix(4, 4)

matrix.mult(c, a, b)

print c

a = matrix.rand_matrix(4, 2)
b = matrix.rand_matrix(2, 4)
c = matrix.create_matrix(4, 4)
c = matrix.mult(c, a, b)

print c

r = matrix.create_matrix(2, 2)

print matrix.mult(r, [[1, 0], [0, 1]], [[1, 0], [0, 1]])

print matrix.mult(r, [[2, 0], [0, 2]], [[0, 2], [2, 0]])
示例#7
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import sys
import matrix

if __name__ == "__main__":

    #exec(open("dataPreProcessing.py").read())

    kmin = int(sys.argv[1])
    kmax = int(sys.argv[2])

    for k in range(kmin, kmax + 1):

        print("Run for k = " + str(k))
        matrix.create_matrix(k)
示例#8
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from gauss import gauss, residuo
from gauss_seidel import gauss_seidel, converges
from matrix import create_matrix, n

import numpy as np

A, b = create_matrix()

g_res = gauss(A, b)

g_mres = max(abs(residuo(A, b, g_res)))

print('A1:')
print('Primeira:', g_res[0])
print('Última:', g_res[-1])
print('Resíduo máximo:', g_mres)

print('\nA2:')
print('Operações em ponto flutuante:', (4 * n**3 + 9 * n**2 - n - 6) // 6)

criteria = 1e-4

print('\nB1:')

if converges(A):
    print('O sistema possui diagonal dominante e sempre irá convergir. '
          'Podemos acelerar o cálculo usando um fator de sobre-relaxação.')
else:
    print('O sistema não possui diagonal dominante e '
          'talvez não venha a convergir')
示例#9
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def matrix_to_dln(colourlist, overstrandlist, signlist, coeff_dict, p, k):

    universes_list = i2l.universe_lists(colourlist, overstrandlist, p)
    wheres = i2l.where_lists(colourlist, overstrandlist, p)
    vert_order = i2l.vertical_order(colourlist, overstrandlist, p)
    dlns = []

    dln = 0
    # print('K = ', k)
    if coeff_dict == "X":       # No DLN Exists
        for i in range(((p - 1) // 2) + 1):
            dlns.append("x")

    else:
        # Linking number of Index 1 knot with surface
        zero_2chain = rrematrix_to_dict(matrix.create_matrix(overstrandlist, colourlist, signlist, p, 0), p, 0)
        if zero_2chain == "X":
            dln = "x"
        else:
            for i in range(len(colourlist)):
                if colourlist[i] == colourlist[overstrandlist[i]]:
                    # print("homogeneous => no change. DLN = ", dln)
                    dln += 0
                else:
                    over_index = vert_order[i][-1]      # Need bottom overstrand
                    where_over = wheres[over_index - 1][overstrandlist[i]]

                    if where_over == colourlist[i]:
                        epsilon1 = 1
                    else:
                        epsilon1 = -1

                    if signlist[i] * epsilon1 == 1:
                        # Walk through R wall
                        dln += signlist[i] * coeff_dict[(over_index, overstrandlist[i])]

                    else:
                        # Walk through L wall
                        dln -= signlist[i] * coeff_dict[(over_index, overstrandlist[i])]
                        if k == over_index:
                            dln += signlist[i]
        dlns.append(dln)

        # Linking numbers of Index 2 knots with surface
        for j in range(len(wheres)):        # Go through each of the index 2 knots

            where_list = wheres[j]
            dln = 0

            j_2chain = rrematrix_to_dict(matrix.create_matrix(overstrandlist, colourlist, signlist, p, j + 1), p, j + 1)
            if j_2chain == "X":
                dln = "x"
            else:
                for i in range(len(where_list) - 1):        # Go through each crossing
                    where_under = where_list[i]
                    universes = universes_list[i]
                    # print("crossing:", i)

                    if colourlist[i] == colourlist[overstrandlist[i]]:
                        for x in range(len(universes)):     # list of pairs of universes
                            if where_under in universes[x]:
                                over_index = vert_order[i][x]

                    else:
                        if where_under in universes[0] and where_under in universes[1]:
                            # Must be on the top level, so a(j) = 0
                            over_index = 0
                        else:
                            if where_under in universes[0]:
                                level = i2l.index(universes[0], where_under)
                            else:
                                level = i2l.index(universes[1], where_under)

                            over_index = vert_order[i][level - 1]

                    if over_index == 0:
                        where_over = colourlist[overstrandlist[i]]
                        # print("adding index 1 wall")
                        # print("coefficient:", coeff_dict[(0, overstrandlist[i])])
                        dln += signlist[i] * coeff_dict[(0, overstrandlist[i])]
                        # print()
                        # print(dln)
                    else:
                        where_over = wheres[over_index - 1][overstrandlist[i]]

                        # print(where_under, where_over)

                        reflections = [dln5.reflect(where_over, colourlist[i], p),
                                       dln5.reflect(where_over, colourlist[overstrandlist[i]], p)]
                        if where_under in reflections:
                            epsilon1 = 1
                        else:
                            epsilon1 = -1
                        # print("adding wall", (over_index, overstrandlist[i]))
                        # if epsilon1 * signlist[i] == -1:
                        #     print("right")
                        # else:
                        #     print("left")
                        # print("coefficient:", -epsilon1 * signlist[i] * coeff_dict[(over_index, overstrandlist[i])])
                        dln -= epsilon1 * coeff_dict[(over_index, overstrandlist[i])]

                        if k == over_index:
                            # print("since over_index = k, add", (signlist[i] + epsilon1) // 2)
                            dln += (signlist[i] + epsilon1) // 2
                        # print()
                # print("Final DLN:", dln)
                # print()
            dlns.append(dln)

    return dlns
示例#10
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# Print the time.txt in sort order
results = []
# This opens a handle to your file, in 'r' read mode
with open('time.txt') as fp:
    # Read in all the lines of your file into a list of lines
    for line in fp:
        results.append(line)

float_results = [float(x) for x in results]

data = float_results[1::2]
y = np.array(float_results[0::2])
y = y.astype(int)

dictionary = {}
dictionary = dict(zip(y, data))

sort_dictionary = dict(sorted(dictionary.items(), key=operator.itemgetter(0)))
data_x = np.cumsum(np.array(list(sort_dictionary.values())))

# Plot time of k files
plt.plot(data_x, sort_dictionary.keys(), color="blue")
plt.ylabel('number of k files')
plt.xlabel('time(sec)')

plt.title('Time plot')
plt.savefig('time.png')
plt.show()

matrix.create_matrix(sys.argv[2], best_k)
示例#11
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def main():
    A = matrix.create_matrix(stdin.readline().split())
    B = matrix.create_matrix(stdin.readline().split())
    pi = matrix.create_matrix(stdin.readline().split())
    emissions = matrix.create_vector(stdin.readline().split())
    T = len(emissions)
    N = len(A)
    K = len(B[0])
    alpha = [[0.0 for _ in range(N)] for _ in range(T)]
    beta = [[0.0 for _ in range(N)] for _ in range(T)]
    di_gamma = [[[0.0 for _ in range(N)] for _ in range(N)]
                for _ in range(T - 1)]
    gamma = [[0.0 for _ in range(N)] for _ in range(T)]
    scaling_factors = [0.0 for _ in range(T)]
    max_its = 30
    its = 0
    old_log_prob = -float("inf")
    range_n = range(N)

    while its < max_its:  # its < max_its:
        scaling_factors[0] = 0
        for i in range_n:
            temp = B[i][emissions[0]] * pi[0][i]
            alpha[0][i] = temp
            scaling_factors[0] += temp

        scaling_factors[0] = 1 / scaling_factors[0]
        alpha[0] = [x * scaling_factors[0] for x in alpha[0]]

        log_prob = log(scaling_factors[0])
        for t in range(1, T):
            scaling_factors[t] = 0
            for i in range_n:
                s = 0
                for j in range_n:
                    s += A[j][i] * alpha[t - 1][j]
                alpha[t][i] = B[i][emissions[t]] * s
                scaling_factors[t] += alpha[t][i]
            scaling_factors[t] = 1 / scaling_factors[t]
            alpha[t] = [x * scaling_factors[t] for x in alpha[t]]
            log_prob += log(scaling_factors[t])
        log_prob = -log_prob

        if log_prob > old_log_prob:
            old_log_prob = log_prob
            # its += its
        else:
            break

        beta[T - 1] = [scaling_factors[T - 1]
                       for _ in range_n]  # 1 scaled by cT-1

        for t in reversed(range(T - 1)):
            for i in range(N):
                s = 0
                for j in range(N):
                    s += beta[t + 1][j] * B[j][emissions[t + 1]] * A[i][j]
                beta[t][i] = s * scaling_factors[t]

        for t in range(T - 1):
            for i in range_n:
                di_gamma_sum = 0
                for j in range_n:
                    temp = alpha[t][i] * A[i][j] * B[j][emissions[
                        t + 1]] * beta[t + 1][j]
                    di_gamma[t][i][j] = temp
                    di_gamma_sum += temp
                gamma[t][i] = di_gamma_sum

        gamma[T - 1] = alpha[T - 1]

        for i in range_n:
            pi[0][i] = gamma[0][i]
            gamma_sum = 0
            for t in range(T - 1):
                gamma_sum += gamma[t][i]
            for k in range(K):
                ind_gamma_sum = 0
                for t in range(T):
                    if emissions[t] == k:
                        ind_gamma_sum += gamma[t][i]
                B[i][k] = ind_gamma_sum / gamma_sum
            for j in range_n:
                di_gamma_sum = 0
                for t in range(T - 1):
                    di_gamma_sum += di_gamma[t][i][j]
                A[i][j] = di_gamma_sum / gamma_sum
        its += 1

    result = str(N) + " " + str(N)
    for row in A:
        for val in row:
            result += " " + str(round(val, 6))
    result += "\n" + str(N) + " " + str(K)
    for row in B:
        for val in row:
            result += " " + str(round(val, 6))

    print(result)
    return result
示例#12
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from graph import Graph
from binary_heap import BinaryHeap
from binomial_heap import BinomialHeap

from dijkstra import dijkstra                #(List[int],float) or Map
from prima import prima                      #(List[Tuple],float)
from alfa_star import a_star                 #(List[int],float)
from bellman_ford import bellman_ford        #(List[int],float) or Map
from floyd_warshall import floyd_warshall    #(List[int],float) or Map or
                                             #(List[float],List[int])
from kruskal import kruskal                  #(List[Tuple],float)

# bubble: 1.23


G = Graph(*create_matrix(25,25,20,dst=7))
G.draw()
H = Graph(G.H())
q=H.get_queue()
lst=[]
while q:
    lst.append(q.get())


def test(constructor, lst):
    n=len(lst)
    q=constructor()
    b=constructor()
# =============================================================================
#     try:
#         asd = q._lst