www.pudn.com > work123.rar > Two_DF_1.m

function y = Two_DF_1(x) 
%TWO_DF_1 Summary of this function goes here 
%  Detailed explanation goes here 
y=[0,0;0,0];	 
y=[2,0;0,12*(x(2)-45)^2]; %求出F(x)的二价导数矩阵； 
y=inv(y);%求出y的逆矩阵; 
y=-y;