计算机图形学作业源代码，利用双线性差值的算法的颜色变化。-Computer Graphics operating source code, the use of bilinear algorithm margin color change.

该代码是B样条神经网络算法，收敛快，可以很好地解决非线性逼近问题。-The code is B spline neural network algorithm, fast convergence, can be a good solution to the problem of nonlinear approximation.