绘制由传递矩阵法计算得出的声子晶体能带图。使用了matplotlib和wxpython两个工具包。-Plot the band structures of phononic crystals which obtained by the transfer matrix method. Developed by two packages: matplotlib and wxpython.

Using wxpython to interface thecalculation of binomial tree of an american or European call/put options with different user-specified parameters

输入圆周上多个点的三维坐标，空间拟合圆心和法线作为原点和Z轴，再给一个X方向的点，计算输出坐标系。需要安装wxPython和numpy。-Fit the center of circle by several points coordinate along the edge