MATLAB Central Newsreader - How to free an array in the function

How to free an array in the function

zedong — Sat, 27 Dec 2008 02:23:02 -0500

for example:
function f()
a=ones(1000,10000);
.......%This is some code with respect to a.Now a is no longer need.Now I want to free a %and do some other things,What should I do?
b=zeros(1000,5000);%I must free a.
end% the end of the function

Re: How to free an array in the function

James Tursa — Sat, 27 Dec 2008 02:55:03 -0500

"zedong
" <zdongwu@gmail.com> wrote in message <gj43i6$l2n$1@fred.mathworks.com>...
> for example:
> function f()
> a=ones(1000,10000);
> .......%This is some code with respect to a.Now a is no longer need.Now I want to free a %and do some other things,What should I do?
> b=zeros(1000,5000);%I must free a.
> end% the end of the function

clear a

Re: How to free an array in the function

Loren Shure — Mon, 29 Dec 2008 14:45:11 -0500

In article <gj45e7$djo$1@fred.mathworks.com>,
aclassyguywithaknotac@hotmail.com says...
> "zedong
> " <zdongwu@gmail.com> wrote in message <gj43i6$l2n$1@fred.mathworks.com>...
> > for example:
> > function f()
> > a=ones(1000,10000);
> > .......%This is some code with respect to a.Now a is no longer need.Now I want to free a %and do some other things,What should I do?
> > b=zeros(1000,5000);%I must free a.
> > end% the end of the function
>
> clear a
>
>

or set the variable to empty:
a = [];

--
Loren
http://blogs.mathworks.com/loren