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function []=plot(x,y,legx,legy,leg)
//
// For backward compatibility with some very old stuff
//!
// Copyright INRIA
[lhs,rhs]=argn(0);
if rhs >=2,
if type(y)==1,
if prod(size(x))<>prod(size(y)),
write(%io(2),'x and y must have the same size');
return;end
end;
end;
select rhs,
case 1 then
[nl,nk]=size(x);
if nl==1|nk==1 then
plot2d1("enn",1,matrix(x,prod(size(x)),1));
else
xbasc();plot2d((ones(nl,1)*(1:nk))',x')
end
case 2 then xbasc();
if type(y)==10,
plot2d1("enn",1,matrix(x,prod(size(x)),1));
xtitle(' ',y,' ');
else
plot2d(matrix(x,prod(size(x)),1),matrix(y,prod(size(y)),1));
end;
case 3 then xbasc();
if type(y)==10,
plot2d1("enn",1,matrix(x,prod(size(x)),-1));
xtitle(' ',y,legx);
else
plot2d(matrix(x,prod(size(x)),1),matrix(y,prod(size(y)),1));
xtitle(' ',legx,' ');
end;
case 4 then xbasc();
if type(y)==10,
plot2d1("enn",1,matrix(x,prod(size(x)),1));
xtitle(legy,y,legx);
else
plot2d(matrix(x,prod(size(x)),1),matrix(y,prod(size(y)),1));
xtitle(' ',legx,legy);
end;
case 5 then xbasc();
plot2d(matrix(x,prod(size(x)),1),matrix(y,prod(size(y)),1));
xtitle(leg,legx,legy);
end
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