<div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;"> <div style="margin:0px;padding:0px;">황금분할법으로 문제푸는데, 그래프를 그려야 하는 일이 생겼어요</div> <div style="margin:0px;padding:0px;"><br></div> <div style="margin:0px;padding:0px;">function [x,fx,ea,iter]=goldmax(f,xl,xu,es,maxit,varargin)</div> <div style="margin:0px;padding:0px;"><br style="margin:0px;padding:0px;"></div> <div style="margin:0px;padding:0px;">if nargin<3,error('at least 3 input arguments required'),end</div> <div style="margin:0px;padding:0px;">if nargin<4 || isempty(es), es=0.0001;end</div> <div style="margin:0px;padding:0px;">if nargin<5 || isempty(maxit), maxit=50;end</div> <div style="margin:0px;padding:0px;"> </div> <div style="margin:0px;padding:0px;">phi=(1+sqrt(5))/2;</div> <div style="margin:0px;padding:0px;">iter=0;</div> <div style="margin:0px;padding:0px;"> </div> <div style="margin:0px;padding:0px;">while(1)</div> <div style="margin:0px;padding:0px;"> d = (phi-1)*(xu - xl);</div> <div style="margin:0px;padding:0px;"> x1 = xl + d;</div> <div style="margin:0px;padding:0px;"> x2 = xu - d;</div> <div style="margin:0px;padding:0px;"> </div> <div style="margin:0px;padding:0px;"> if f(x1,varargin{:}) > f(x2,varargin{:}) </div> <div style="margin:0px;padding:0px;"> xopt = x1;</div> <div style="margin:0px;padding:0px;"> xl = x2;</div> <div style="margin:0px;padding:0px;"> else</div> <div style="margin:0px;padding:0px;"> xopt = x2;</div> <div style="margin:0px;padding:0px;"> xu = x1;</div> <div style="margin:0px;padding:0px;"> end</div> <div style="margin:0px;padding:0px;"> </div> <div style="margin:0px;padding:0px;"> iter=iter+1;</div> <div style="margin:0px;padding:0px;"> </div> <div style="margin:0px;padding:0px;"> if xopt~=0, ea = (2 - phi) * abs((xu - xl) / xopt) * 100;end</div> <div style="margin:0px;padding:0px;"> if ea <= es || iter >= maxit,break,end</div> <div style="margin:0px;padding:0px;">end</div> <div style="margin:0px;padding:0px;">x=xopt;fx=f(xopt,varargin{:});</div></div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;"><br style="margin:0px;padding:0px;"></div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;">이렇게 되어있고 명령창에는</div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;"><br style="margin:0px;padding:0px;"></div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;"> <div style="margin:0px;padding:0px;">f=@(x) (-1.5*x.^6-2*x.^4+12*x);</div> <div style="margin:0px;padding:0px;">[xopt, fmax, ea, iter]=goldmax(f,0,2,0.0001,3)</div></div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;"><br style="margin:0px;padding:0px;"></div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;">이렇게 입력해서 대충 값은 나왔는데, 이걸 어떻게 해야 그릴 수가 있는건가요??</div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;"><br></div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;">으어.. 좀 도와주세요</div> <div style="margin:0px;padding:0px;color:#404040;font-family:gulim, sans-serif;font-size:13px;line-height:22.1px;"><br></div>
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밑으론 후방주의 <br>
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