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@ -11,27 +11,28 @@
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>>> import os
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>>> import os
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>>> os.chdir('C:\\Users\\u115-07\\Desktop\\python-labs\\TEMA7')
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>>> os.chdir('C:\\Users\\u115-07\\Desktop\\python-labs\\TEMA7')
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>>> normal= lambda x, a, b: math.exp(-(x-a)**2/b) / math.sqrt(2 * math.pi * b)
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>>> normal= lambda x, a, b: math.exp(-(x-a)**2/b) / math.sqrt(2 * math.pi * b)
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>>> def test_normal():
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def test_normal():
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... a, b = 0, 1
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a, b = 0, 1
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... std_dev = math.sqrt(b)
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std_dev = math.sqrt(b)
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... start = a - 3 * std_dev
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start = a - 3 * std_dev
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... end = a + 3 * std_dev
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end = a + 3 * std_dev
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... step = 0.2 * std_dev
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step = 0.2 * std_dev
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... x_values = []
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x_values = []
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... current = start
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current = start
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... while current <= end:
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while current <= end:
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... x_values.append(current)
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x_values.append(current)
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... current += step
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current += step
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... function= []
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function_values = []
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... for x in x_values:
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for x in x_values:
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... y = normal(x, a, b)
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y = normal_pdf(x, a, b)
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... function.append(y)
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function_values.append(y)
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... file = open('ikz.txt', 'w')
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file = open('ikz.txt', 'w')
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... for i in range(0, len(function), 2):
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for i in range(0, len(function_values), 2):
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... if i + 1 < len(function):
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if i + 1 < len(function_values):
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... file.write(str(function[i])+','+str(function[i+1])+'\n')
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file.write(str(function_values[i])+','+str(function_values[i+1])+'\n')
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... file.close()
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else:
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...
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file.write(str(function_values[i])+',0\n')
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file.close()
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...
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...
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>>> test_normal()
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>>> test_normal()
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Пользователь № 7 аудитории Ж-115
3 недель назад