直线和圆的openGL 快速算法，仅供参考-line and circle drawing arithmetic for reference only

直线和圆的openGL 快速算法，仅供参考-line and circle drawing arithmetic for reference only

dsp工具箱,matlab语言实现的,具有基本的运算操作,主要涉及的是矩阵运算-DSP toolbox, matlab language implementation, has the basic arithmetic operations, mainly related to the matrix operations,,