How can I create a table containing all iterations?
1 次查看(过去 30 天)
显示 更早的评论
I need to have a table containing iter, xr, func(xr), and es for each iteration of the loop. I have tried listing them as arrays but cannot seem to get that to work.
function[root,ea,iter]=secant(func,delta,xr,es,maxit,varargin)
if nargin<3,error('atleast 3 input arguments required'),end
if nargin<4|isempty(es),es=0.0001;end
if nargin<5|isempty(maxit),maxit=50;end
iter=0;
while (1)
xrold=xr;
xr=xr-((delta*xr*func(xr))/(func(xr+(delta*xr))-func(xr)));
iter=iter+1;
if xr~=0, ea=abs((xr-xrold)/xr)*100;end
if ea<=es|iter>=maxit,break,end
funcxr=func(xr);
end
root=xr;
0 个评论
采纳的回答
Ayush Gupta
2020-9-17
To create a table, store every instance of iter, xr, func(xr), and es at each iteration into a list that is globally and append each iteration to it. Refer to the following code on how to do it:
function[root,ea,iter]=secant(func,delta,xr,es,maxit,varargin)
if nargin<3,error('atleast 3 input arguments required'),end
if nargin<4|isempty(es),es=0.0001;end
if nargin<5|isempty(maxit),maxit=50;end
itr =[];
xr =[];
func_xr =[];
es =[];
iter=0;
while (1)
xrold=xr;
xr=xr-((delta*xr*func(xr))/(func(xr+(delta*xr))-func(xr)));
iter=iter+1;
if xr~=0, ea=abs((xr-xrold)/xr)*100;end
if ea<=es|iter>=maxit,break,end
funcxr=func(xr);
itr(i) = iter;
xr(i) = xr;
func_xr(i) = funcxr;
es(i) = es;
end
0 个评论
更多回答(0 个)
另请参阅
类别
在 Help Center 和 File Exchange 中查找有关 Logical 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!