?? area.m
字號:
function [a1,a3]=area(x0,xk1,a,r)
yk1=punish(x0,xk1,r);
h=0.0001;
a1=0;
a=a1;
y1=subs(yk1);
a2=h;
a=a2;
y2=subs(yk1);
if(y2>y1)
h=-h;
a3=a1;
y3=y1;
a1=a2;
y1=y2;
a2=a3;
y2=y3;
end
a3=a2+h;
a=a3;
y3=subs(yk1);
while(y3<y2)
h=2*h;
a1=a2;
y1=y2;
a2=a3;
y2=y3;
a3=a2+h;
a=a3;
y3=subs(yk1);
end
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