一个简单的等值线demo，可以设置采样点、网格大小，采样点还可以拖动，可动态的看出等值线的变化。-A simple contour demo, you can set the sampling point, the grid size, sampling points can also drag can be seen that dynamic contour changes.

the gibbs sampling technique for regressions as in james lesage toolbox

The Shannon/Nyquist sampling theorem tells us that in order to not lose information when uniformly sampling a signal we must sample at least two times faster than its bandwidth. In many applications, including digital image and video cameras, the

简单flash，实现简单的抽样定理，清晰可辨，易懂(Simple flash, simple sampling theorem, clear and easy to understand.)