THIS PROGRAM IS TO SOLVE THE 4TH ODE & THE RUNGE KUTTA IS USED IN ORDER TO SOLVE THE EQ <<SIN(X)*Y""=(1-X^2)*Y" -X*Y"-Y -Y+EXP(3*X)>> & THE BOUNDARY CONDITIONS ARE AS FOLLOW: Y=W1 Y =W2=F1 Y"=W3=F2 Y =W4=F3 F4=(1/SIN(X))*[(1-

抛物线法求一维函数的极值，要保证输入的x1<x2<x3,f1>f2<f3，通过自定义函数f(x)来修改所求函数，精度为e-Parabola method for one-dimensional function of extreme, to ensure that input x1 <x2<x3,f1> f2 <f3，通过自定义函数f(x)来修改所求函数，精度为e

计算各断面在各吃水﹑各横摇角状态下附加质量对吃水之斜率(dy.out)以 及对横摇角之斜率(dx.out)。-Calculated for each section in each draft ﹑ each roll angle of the slope of the draft status of the additional mass (dy.out) and the roll angle of the slope (dx.out).