一维杆的最小二乘无网格方法NATLAB程序，弹性问题-MESHLESS WEIGHTED LEAST-SQUARE PROGRAM TO SOLVE 1D ELASTIC PROBLEM- A 1D BAR OF UNIT LENGTH SUBJECTED TO BODY FORCE LINEARLY VARIATING WITH THE COORDINATE. THE LEFT END IS FIXED AND THE RIGHT IS FREE.

分数延迟FIR滤波器的实现，分别使用了最小二乘法，拉格朗日插值法以及优化加权最小二乘法。-Fractional delay FIR filter implementation, using the least square method, the Lagrange interpolation method and optimization of weighted least squares.