python numpy.inner() numpy.inner(arr1, arr2) :计算两个数组的内积。 参数: arr1, arr2 :要评估的数组。 返回:两个数组的内部乘积。 代码 #1 : # Python Program illustrating # numpy.inner() method import numpy as geek # Scalars product = geek.inner(5, 4) print("inner Product of scalar values : ", product) # 1D array vector_a = 2 + 3j vector_b = 4 + 5j product = geek.inner(vector_a, vector_b) print("inner Product : ", product) PythonCopy 输出: inner Product of scalar values : 20 inner Product : (-7+22j) PythonCopy 代码 #2 :作为普通的矩阵乘法 # Python Program illustrating # numpy.inner() method import numpy as geek # 1D array vector_a = geek.array([[1, 4], [5, 6]]) vector_b = geek.array([[2, 4], [5, 2]]) product = geek.inner(vector_a, vector_b) print("inner Product : \n", product) product = geek.inner(vector_b, vector_a) print("\ninner Product : \n", product) PythonCopy 输出: inner Product : [[18 13] [34 37]] inner Product : [[18 34] [13 37]] PythonCopy