1。）对于B Splines - 您应该检查C中的数字食谱（有书，它也可以在线参考）

1.) For B Splines - You should check Numerical Recipes in C (there is book for that and it is also available online for reference)

2。）另请检查： sourceforge.net/projects/einspline/
& 此

2.) Also check: sourceforge.net/projects/einspline/ & this

-AD