matlab编了个函数死活说语句无效,debug无能求大神指点,function bisect_sub(f,a,b,eps,N)u=zeros(1,N); v=zeros(1,N);k=1;p=a+(b-a)/2;q=a;while abs(p-q)0)a=p;f1=fp;q=p;u(k)=p;v(k)=fp;p=a+(b-a)/2;elseif(f2*fp>0)b=p;f2=fp;q=p;u(k)=p;v(k)=fp;
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![matlab编了个函数死活说语句无效,debug无能求大神指点,function bisect_sub(f,a,b,eps,N)u=zeros(1,N); v=zeros(1,N);k=1;p=a+(b-a)/2;q=a;while abs(p-q)0)a=p;f1=fp;q=p;u(k)=p;v(k)=fp;p=a+(b-a)/2;elseif(f2*fp>0)b=p;f2=fp;q=p;u(k)=p;v(k)=fp;](/uploads/image/z/2709707-59-7.jpg?t=matlab%E7%BC%96%E4%BA%86%E4%B8%AA%E5%87%BD%E6%95%B0%E6%AD%BB%E6%B4%BB%E8%AF%B4%E8%AF%AD%E5%8F%A5%E6%97%A0%E6%95%88%2Cdebug%E6%97%A0%E8%83%BD%E6%B1%82%E5%A4%A7%E7%A5%9E%E6%8C%87%E7%82%B9%2Cfunction+bisect_sub%28f%2Ca%2Cb%2Ceps%2CN%29u%3Dzeros%281%2CN%29%3B+v%3Dzeros%281%2CN%29%3Bk%3D1%3Bp%3Da%2B%28b-a%29%2F2%3Bq%3Da%3Bwhile+abs%28p-q%290%29a%3Dp%3Bf1%3Dfp%3Bq%3Dp%3Bu%28k%29%3Dp%3Bv%28k%29%3Dfp%3Bp%3Da%2B%28b-a%29%2F2%3Belseif%28f2%2Afp%3E0%29b%3Dp%3Bf2%3Dfp%3Bq%3Dp%3Bu%28k%29%3Dp%3Bv%28k%29%3Dfp%3B)
matlab编了个函数死活说语句无效,debug无能求大神指点,function bisect_sub(f,a,b,eps,N)u=zeros(1,N); v=zeros(1,N);k=1;p=a+(b-a)/2;q=a;while abs(p-q)0)a=p;f1=fp;q=p;u(k)=p;v(k)=fp;p=a+(b-a)/2;elseif(f2*fp>0)b=p;f2=fp;q=p;u(k)=p;v(k)=fp;
matlab编了个函数死活说语句无效,debug无能求大神指点,
function bisect_sub(f,a,b,eps,N)
u=zeros(1,N);
v=zeros(1,N);
k=1;
p=a+(b-a)/2;
q=a;
while abs(p-q)0)
a=p;
f1=fp;
q=p;
u(k)=p;v(k)=fp;
p=a+(b-a)/2;
elseif(f2*fp>0)
b=p;
f2=fp;
q=p;
u(k)=p;v(k)=fp;
p=a+(b-a)/2;
end
fprintf('k=%d,x(%d)=%14.12e,y(%d)=%18.12e\n',k,k,u(k),k,v(k))
k=k+1;
end
end
matlab编了个函数死活说语句无效,debug无能求大神指点,function bisect_sub(f,a,b,eps,N)u=zeros(1,N); v=zeros(1,N);k=1;p=a+(b-a)/2;q=a;while abs(p-q)0)a=p;f1=fp;q=p;u(k)=p;v(k)=fp;p=a+(b-a)/2;elseif(f2*fp>0)b=p;f2=fp;q=p;u(k)=p;v(k)=fp;
subs作用是对变量进行替换,f的表达式是什么,这里并没有定义,然后subs(f,x,a)说明f中包含x吗?