numpy常用API用法总结
2017-12-12 10:37
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numpy常用API用法总结
numpy入门指南:https://docs.scipy.org/doc/numpy/user/basics.html
numpy快速数据处理
numpy.array(object, dtype=None, copy=True, order=’K’, subok=False, ndmin=0)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.array.html#numpy.array
numpy.zeros(shape, dtype=float, order=’C’)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.zeros.html#numpy.zeros
numpy.ones(shape, dtype=None, order=’C’)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.ones.html#numpy.ones
numpy.arange([start, ]stop, [step, ]dtype=None)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.arange.html#numpy.arange
numpy.mat(data, dtype=None)[source]
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.mat.html#numpy.mat
numpy.reshape(a, newshape, order=’C’)[source]
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.reshape.html#numpy.reshape
ndarray.flatten(order=’C’)
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.ndarray.flatten.html#numpy.ndarray.flatten
numpy.random.randn(d0, d1, …, dn)
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.randn.html#numpy.random.randn
numpy.random.shuffle(x)
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.shuffle.html#numpy.random.shuffle
numpy.stack(arrays, axis=0)[source]
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.stack.html#numpy.stack
numpy.random.permutation(x)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.permutation.html#numpy.random.permutation
numpy.random.seed(seed=None)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.seed.html#numpy.random.seed
numpy.linalg.norm(x, ord=None, axis=None, keepdims=False)[source]¶
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.linalg.norm.html#numpy.linalg.norm
numpy.sum(, axis)
参考链接:
numpy.mean()
参考链接:
numpy.power(a, n)
计算a的n次方
numpy.sqrt(a)
计算a的平方根
numpy入门指南:https://docs.scipy.org/doc/numpy/user/basics.html
numpy快速数据处理
numpy.array(object, dtype=None, copy=True, order=’K’, subok=False, ndmin=0)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.array.html#numpy.array
numpy.zeros(shape, dtype=float, order=’C’)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.zeros.html#numpy.zeros
numpy.ones(shape, dtype=None, order=’C’)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.ones.html#numpy.ones
numpy.arange([start, ]stop, [step, ]dtype=None)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.arange.html#numpy.arange
numpy.mat(data, dtype=None)[source]
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.mat.html#numpy.mat
numpy.reshape(a, newshape, order=’C’)[source]
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.reshape.html#numpy.reshape
ndarray.flatten(order=’C’)
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.ndarray.flatten.html#numpy.ndarray.flatten
numpy.random.randn(d0, d1, …, dn)
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.randn.html#numpy.random.randn
numpy.random.shuffle(x)
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.shuffle.html#numpy.random.shuffle
numpy.stack(arrays, axis=0)[source]
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.stack.html#numpy.stack
numpy.random.permutation(x)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.permutation.html#numpy.random.permutation
numpy.random.seed(seed=None)
参考链接:https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.seed.html#numpy.random.seed
numpy.linalg.norm(x, ord=None, axis=None, keepdims=False)[source]¶
参考链接:
https://docs.scipy.org/doc/numpy/reference/generated/numpy.linalg.norm.html#numpy.linalg.norm
numpy.sum(, axis)
参考链接:
numpy.mean()
参考链接:
numpy.power(a, n)
计算a的n次方
numpy.sqrt(a)
计算a的平方根
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