ValueError Traceback (most recent call last) Cell In[52], line 69 67 f = interp1d(B2[0, :], B2[1, :], kind='quadratic') 68 a8 = f(i2) ---> 69 a9 = f(a20) 70 derivative = (a9 - a8) / a7 71 if derivative - a9 > 10e-6: File ~\AppData\Roaming\Python\Python39\site-packages\scipy\interpolate\_polyint.py:80, in _Interpolator1D.__call__(self, x) 59 """ 60 Evaluate the interpolant 61 (...) 77 78 """ 79 x, x_shape = self._prepare_x(x) ---> 80 y = self._evaluate(x) 81 return self._finish_y(y, x_shape) File ~\AppData\Roaming\Python\Python39\site-packages\scipy\interpolate\_interpolate.py:752, in interp1d._evaluate(self, x_new) 750 y_new = self._call(self, x_new) 751 if not self._extrapolate: --> 752 below_bounds, above_bounds = self._check_bounds(x_new) 753 if len(y_new) > 0: 754 # Note fill_value must be broadcast up to the proper size 755 # and flattened to work here 756 y_new[below_bounds] = self._fill_value_below File ~\AppData\Roaming\Python\Python39\site-packages\scipy\interpolate\_interpolate.py:786, in interp1d._check_bounds(self, x_new) 784 if self.bounds_error and above_bounds.any(): 785 above_bounds_value = x_new[np.argmax(above_bounds)] --> 786 raise ValueError("A value ({}) in x_new is above " 787 "the interpolation range's maximum value ({})." 788 .format(above_bounds_value, self.x[-1])) 790 # !! Should we emit a warning if some values are out of bounds? 791 # !! matlab does not. 792 return below_bounds, above_bounds ValueError: A value (0.21347609900000009) in x_new is above the interpolation range's maximum value (0.213476099).该怎么修改,代码怎么写
时间: 2023-11-30 09:02:32 浏览: 248
Python解析json之ValueError: Expecting property name enclosed in double quotes: line 1 column 2(char 1)
这个错误是因为你在使用 interpolate.interp1d 进行插值时,给出的 x_new 值超出了原始数据的范围,导致无法进行插值。你需要检查一下你的输入数据和插值范围是否对应。
如果你想要对超出范围的数据进行插值,可以将 interpolate.interp1d 函数的 extrapolate 参数设置为 True。这样,插值函数将使用类似于线性外推的方法来计算超出范围的数据的值。
以下是一个示例代码:
```python
from scipy import interpolate
# 输入数据
x = [0, 0.1, 0.2, 0.3, 0.4]
y = [0, 0.1, 0.2, 0.3, 0.4]
# 创建插值函数
f = interpolate.interp1d(x, y, kind='linear', fill_value='extrapolate')
# 在范围内进行插值
print(f(0.25)) # 输出:0.25
# 超出范围进行插值
print(f(0.5)) # 输出:0.5
```
在这个例子中,我们创建了一个简单的线性插值函数,然后使用 fill_value='extrapolate' 参数来允许对超出原始数据范围的数据进行插值。
阅读全文