matlab rodrigues
时间: 2023-08-26 21:19:12 浏览: 106
Rodrigues函数是一个自定义的MATLAB函数,用于将旋转向量转换为旋转矩阵。该函数的代码如下:
```MATLAB
function [rotation_matrix = Rodrigues(rotation_vector)
% Convert a rotation vector to a rotation matrix.
rotation_vector = rotation_vector';
th
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matlab Rodrigues
Rodrigues' rotation formula, also known as the Rodrigues' rotation formula, is a mathematical formula used to calculate the 3D rotation matrix from an axis-angle representation. This formula is commonly used in computer graphics and computer vision applications.
In MATLAB, you can use the `rodrigues` function to apply the Rodrigues' rotation formula. The syntax for using this function is as follows:
```matlab
R = rodrigues(w)
```
where `w` is a 3-element vector representing the rotation axis and angle. The output `R` is a 3x3 rotation matrix.
Here's an example usage:
```matlab
% Define axis and angle
axis = [0.5774, 0.5774, 0.5774]; % normalized axis
angle = pi/4; % angle in radians
% Compute rotation matrix using Rodrigues' formula
R = rodrigues(axis*angle);
% Display the rotation matrix
disp(R);
```
Please note that the `rodrigues` function is not built-in to MATLAB, but you can find implementations of it in various MATLAB libraries or create your own implementation based on the formula.
matlab rodrigues函数
Matlab中的rodrigues函数是用于计算旋转矩阵的函数,它基于Rodrigues公式。该函数用于将旋转向量转换为旋转矩阵,或将旋转矩阵转换为旋转向量。
以下是rodrigues函数的语法:
```
R = rodrigues(r)
```
其中,r是一个3维旋转向量,R是一个3x3的旋转矩阵。
例如,如果想要将旋转向量r=[0.2, 0.3, 0.4]转换为旋转矩阵,可以使用以下代码:
```
r = [0.2, 0.3, 0.4];
R = rodrigues(r);
```
注意,使用rodrigues函数时,旋转向量应该是单位向量,并且其长度表示旋转角度的大小。