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function p = getvarfrom(ws, name)
%
% p=getvarfrom(ws,name)
%
% get variable value by name from specified work-space
%
% author: Qianqian Fang, <q.fang at neu.edu>
%
% input:
% ws: name of the work-space, for example, 'base'
% name: name string of the variable
%
% output:
% p: the value of the specified variable, if the variable does not
% exist, return empty array
%
% -- this function is part of iso2mesh toolbox (http://iso2mesh.sf.net)
%
wsname = ws;
if (~iscell(ws))
wsname = cell(1);
wsname{1} = ws;
end
p = [];
for i = 1:length(wsname)
isdefined = evalin(wsname{i}, ['exist(''' name ''')']);
if (isdefined == 1)
p = evalin(wsname{i}, name);
break
end
end
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