calculating the line integral contour of the iris and pupil boundaries. this fuction is used in the daugman approach of iris localization.

In mathematics, the method of steepest descent or stationary phase method or saddle-point method is an extension of Laplace s method for approximating an integral, where one deforms a contour integral in the complex plane to pass near a stationary po

矩形围线积分算法求解复数方程,用于求解复数频散方程。-the contour integral method using to solve the complex equation

概率积分函数计算矿区沉陷，并作出三维图和等值线图(The probability integral function is used to calculate the mining subsidence and make the three-dimensional map and contour map.)