python旋转矩阵乘向量
时间: 2023-10-17 13:26:45 浏览: 248
在Python中,可以通过使用OpenCV的Rodrigues函数来实现旋转矩阵与旋转向量的相互转换。如果要将旋转矩阵乘以旋转向量,可以按照以下步骤进行操作:
1. 导入必要的库:
import numpy as np
import cv2 as cv
2. 定义旋转矩阵和旋转向量:
R_mat = np.array([[0.99002498, -0.09451324, 0.10448826],
[0.10448826, 0.99002498, -0.09451324],
[-0.09451324, 0.10448826, 0.99002498]])
R_vec = np.array([[0.1], [0.1], [0.1]])
3. 使用Rodrigues函数将旋转矩阵转换为旋转向量:
R_vec = cv.Rodrigues(R_mat)[0]
4. 执行旋转矩阵乘以旋转向量的操作:
result = np.dot(R_mat, R_vec)
这样,result就是旋转矩阵乘以旋转向量的结果。请注意,这里使用了NumPy库的dot函数来执行矩阵乘法。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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