panbie1.m

来自「有兴趣学系matlab的朋友」· M 代码 · 共 7 行

function y=panbie1(x)
p=x(1);
n=x(2);
pi=x(3);
ni=x(4);
y=-2*(n+1)*pi/p/ni+2*(n+1)*pi/p/(ni+1)+(n+1)^2*pi^2/p^2/ni^2-(n+1)^2*pi^2/p^2/(ni+1)^2;