【卡尔曼滤波器-Python】Numpy基本函数

import numpy as np      #导入numpy库def one_tenth(x):       #将输入转化成矩阵，dtype指定数组的数据类型    x = np.asarray(x,dtype=np.float32)    return x / 10x=np.array([[1,2],      #申请一浮点矩阵            [3,4]],dtype=float)print (x)print('addition:\n', x+x)       #数组矩阵加运算print('\nelement-wise multiplication\n', x*x)       #矩阵点乘与叉乘的操作print('\nmultiplication\n', np.dot(x,x))print('\ndot is also a member of np.array\n', x.dot(x))print(x.T)       #矩阵转置print(np.linalg.inv(x))       #矩阵求逆y=np.eye(3)       #申请1方阵print (y)print(one_tenth([1., 2., 3.]))        #调用前面的矩阵print(one_tenth(np.array([4, 5, 6])))