问题描述
所以我有一个4d力场，如x y和z，每个点上都附有Force.
So I have a 4d force field as in x y and z with a Force attached to each point.
我对如何进行插值有点迷茫，尽管我遇到了这个问题.
I'm a a bit at a lost on how to interpolate this, I came across this though.
看起来我可以创建一个x y z F数组，然后对其进行插值，但我确实不太确定.
It looks like I can make an array of x y z F and then interpolate it but I'm really not too sure.
有人知道如何使用python编写好的库吗?
Anyone know any good libraries for python on how to do this?
示例输入为:
x y z Force
0 0 0 35
0 0 1 32
0 0 2 23
...
2 5 9 54
推荐答案
您描述它(x，y，z)的方式，这是3D字段，而不是4D.
The way you described it (x,y,z), this is a 3D field, not 4D.
插值的目的是在任意点(x，y，z)上指定一个字段(在这种情况下为Force)即使您没有力，也恰好在该点(x，y，z).取而代之的是，您在许多附近的点处有力，并且内插以获得在点(x，y，z)上的有意义的力.在3D模式中，至少需要一个双线性插值算法，并且对其进行编码(并使索引保持顺序)并非易事.
The purpose of interpolation is to specify a field (in this case Force) at any point (x,y,z) even if you don't have a Force, at precisely that point (x,y,z). Instead, you have the forces at a number of nearby points and you interpolate them to get a meaningful Force at point (x,y,z). In 3D you would need a bilinear interpolation algorithm at the least, and coding it up (and keeping indices in order) is non-trivial.
在Python中，您可以使用 Scipy的插值例程.
In Python, you can use Scipy's interpolation routines.
这篇关于Python中的4D插值的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！