<A NAME=requirements>
<TITLE>requirements</TITLE></A>
<b><a href=r37_idx.html>INDEX</a></b><p><p>
<B>REQUIREMENTS</B> _ _ _ _ _ _ _ _ _ _ _ _ <B>variable</B><P>
<P>
<P>
<P>
After an attempt to solve an inconsistent equation system
with parameters, the variable <em>requirements</em> contains a list
of expressions. These expressions define a set of conditions implicitly
equated with zero. Any solution to this system defines a setting for
the parameters sufficient to make the original system consistent.
<P> <H3>
examples: </H3>
<P><PRE><TT>
solve({x-a,x-y,y-1},{x,y});
{}
requirements;
{a - 1}
</TT></PRE><P><P>
<P>