subtract Subtract elements in second array from first array multiply Multiply array elements divide, floor_divide Divide or floor divide (truncating the remainder) power Raise elements in first array to powers indicated in second array maximum, fmax Element-wise maximum; fmax ignores NaN minimum, fmi...
numpy.prod 乘积 numpy.prod(a[, axis=None, dtype=None, out=None, …]) Return the product of array elements over a given axis. 【例】返回给定轴上数组元素的乘积。 numpy.cumprod 累乘 numpy.cumprod(a, axis=None, dtype=None, out=None) Return the cumulative product of elements along a given...
numpy.log10(x, args, kwargs) Return the base 10 logarithm of the input array, element-wise. 2.2.4加法函数、乘法函数 numpy.sum numpy.sum(a[, axis=None, dtype=None, out=None, …]) * Sum of array elements over a given axis.
>>> # Create an empty array with 2 elements >>> np.empty(2) array([3.14, 42\. ]) # may vary 您可以创建一个具有元素范围的数组: 代码语言:javascript 代码运行次数:0 运行 复制 >>> np.arange(4) array([0, 1, 2, 3]) 甚至可以创建一个包含一系列均匀间隔的区间的数组。为此,您需要...
numpy.exp(x, *args, **kwargs) Calculate the exponential of all elements in the input array. numpy.log(x, *args, **kwargs) Natural logarithm, element-wise. numpy.exp2(x, *args, **kwargs) Calculate 2**p for all p in the input array. ...
print("Multiplication: ", np.multiply(array1, array2)) #与Python标准库的比较 print("Standard Library Addition: ", [i + j for i, j in zip(array1, array2)]) print("Standard Library Multiplication: ", [i * j for i, j in zip(array1, array2)]) ...
乘法(* 或np.multiply):数组元素相乘。 除法(/ 或np.divide):第一个数组元素除以第二个数组的元素。 平方根(np.sqrt):数组每个元素的平方根。 幂运算(** 或np.power):第一个数组元素的第二个数组元素次幂。 import numpy as np a = np.array([1, 2, 3, 4]) b = np.array([5, 6, 7, 8]...
likearray_like, 可选项 引用对象,允许创建不是 NumPy 数组的数组。如果传入作为like支持__array_function__协议的类似数组,结果将由其定义。在这种情况下,它确保创建与通过此参数传入的兼容的数组对象。 1.20.0 版的新功能。 返回: arrndarray 构建的数组。
array([[ 3.12207161, 2.94403732, 1.2875693 ], [ 0.7870887 , -2.70224995, -6.24558967]]) In the first example, all of the elements have been multiplied by 10. In the second, the corresponding values(相应值) in each "cell" in the array have been added to each oher. ...
array.sort(axis=0) 按照指定轴排序一个数组 https://docs.scipy.org/doc/numpy/reference/generated/numpy.sort.html 举例 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import numpy as np # Sort sorts in ascending order y = np.array([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]) y.sort(...