用vb编写的画网格和画曲线的小程序，可以选择加粗的线条，曲线有直线和正弦曲线-Vb prepared with a grid and draw the curve of painting a small program, you can choose bold lines, straight and sinusoidal curve

跟Matlab智能算法30个案例分析配套的源代码，史峰，王辉等人编著-Matlab intelligent algorithm with 30 case studies supporting source code, SHI Feng, Wang et al eds.