#!/usr/bin/env python
# coding: utf-8

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get_ipython().run_line_magic('matplotlib', 'inline')
import numpy as np
import matplotlib.pyplot as plt


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A = np.random.randn(100)


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A


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A = 10*A + 50


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A


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A.shape


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A.shape = (5, 20)


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A


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A.reshape(100,1)


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A = A.reshape(100,1)


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A


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