考虑在如上横坐标数据的基础上,分别求sin值,cos值,形成对应sin值,cos值的列向量。
时间: 2023-06-17 19:08:17 浏览: 29
可以使用Python中的NumPy库来实现:
```python
import numpy as np
# 定义横坐标数据
x = np.array([0, np.pi/4, np.pi/2, 3*np.pi/4, np.pi, 5*np.pi/4, 3*np.pi/2, 7*np.pi/4, 2*np.pi])
# 计算sin值与cos值
sin_x = np.sin(x)
cos_x = np.cos(x)
# 将结果形成列向量
sin_x_col = sin_x.reshape(-1, 1)
cos_x_col = cos_x.reshape(-1, 1)
print("sin值:\n", sin_x_col)
print("cos值:\n", cos_x_col)
```
输出结果:
```
sin值:
[[ 0.0000000e+00]
[ 7.0710678e-01]
[ 1.0000000e+00]
[ 7.0710678e-01]
[ 1.2246468e-16]
[-7.0710678e-01]
[-1.0000000e+00]
[-7.0710678e-01]
[-2.4492936e-16]]
cos值:
[[ 1.0000000e+00]
[ 7.0710678e-01]
[ 6.1232340e-17]
[-7.0710678e-01]
[-1.0000000e+00]
[-7.0710678e-01]
[-1.8369702e-16]
[ 7.0710678e-01]
[ 1.0000000e+00]]
```