D ALIGN=LEFT VALIGN=TOP><B>B   </B></TD><TD>&nbsp;- optional preconditioning matrix
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Note</FONT></H3>
If the nonlinear operator is represented in split form, the result
y = T(lambda)*x is computed without building T(lambda) explicitly. In
that case, parameters A and B are not used. Otherwise, the matrix
T(lambda) is built and the effect is the same as a call to
<A HREF="../NEP/NEPComputeFunction.html#NEPComputeFunction">NEPComputeFunction</A>() followed by a M