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@@ -20,7 +20,6 b' from __future__ import division, with_statement' | |||
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20 | 20 | |
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21 | 21 | import numpy as np |
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22 | 22 | from matplotlib import pyplot as plt |
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23 | from six import advance_iterator | |
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24 | 23 | |
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25 | 24 | # Top-level functions |
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26 | 25 | |
@@ -100,8 +99,8 b' def two_digit_freqs(digits, normalize=False):' | |||
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100 | 99 | Consume digits of pi and compute 2 digits freq. counts. |
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101 | 100 | """ |
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102 | 101 | freqs = np.zeros(100, dtype='i4') |
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103 |
last = |
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104 |
this = |
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102 | last = next(digits) | |
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103 | this = next(digits) | |
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105 | 104 | for d in digits: |
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106 | 105 | index = int(last + this) |
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107 | 106 | freqs[index] += 1 |
@@ -120,7 +119,7 b' def n_digit_freqs(digits, n, normalize=False):' | |||
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120 | 119 | freqs = np.zeros(pow(10,n), dtype='i4') |
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121 | 120 | current = np.zeros(n, dtype=int) |
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122 | 121 | for i in range(n): |
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123 |
current[i] = |
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122 | current[i] = next(digits) | |
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124 | 123 | for d in digits: |
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125 | 124 | index = int(''.join(map(str, current))) |
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126 | 125 | freqs[index] += 1 |
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