IDL版的Marquadt优化算法，可求解非线性最小二乘问题-MPFIT uses the Levenberg-Marquardt technique to solve the least-squares problem. In its typical use, MPFIT will be used to fit a user-supplied function (the "model") to user-supplied data points (the "da

用IDL计算sinc函数，输入是标量或者是矢量-Calculating function sinc(x) using IDL

This IDL function return the solar irradiance

IDL傅里叶编程 傅里叶函数是指任何一个函数F(x)都能用正弦函数或者余弦函数及他们的组合关系式表示出来。-The IDL Fourier programming the Fourier function refers to a function F (x) of sine function or cosine function can be used and their combination relationship represented.