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<div id="version" align=right><b>slepc-3.23.1 2025-05-01</b></div>
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<H1>FNRationalGetNumerator</H1>
Gets the parameters that define the numerator of the rational function.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcfn.h"
<A HREF="https://petsc.org/release/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../FN/FNRationalGetNumerator.html#FNRationalGetNumerator">FNRationalGetNumerator</A>(<A HREF="../FN/FN.html#FN">FN</A> fn,<A HREF="https://petsc.org/release/manualpages/Sys/PetscInt.html#PetscInt">PetscInt</A> *np,<A HREF="https://petsc.org/release/manualpages/Sys/PetscScalar.html#PetscScalar">PetscScalar</A> *pcoeff[]) PeNS
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#883300">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>fn </B></TD><TD> - the math function context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>np </B></TD><TD> - number of coefficients
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>pcoeff </B></TD><TD> - coefficients (array of scalar values, length nq)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
The values passed by user with <A HREF="../FN/FNRationalSetNumerator.html#FNRationalSetNumerator">FNRationalSetNumerator</A>() are returned (or null
pointers otherwise).
The pcoeff array should be freed by the user when no longer needed.
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../FN/FNRationalSetNumerator.html#FNRationalSetNumerator">FNRationalSetNumerator</A>()
<BR><P><B></B><H3><FONT COLOR="#883300">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#883300">Location</FONT></H3>
</B><A HREF="../../../src/sys/classes/fn/impls/rational/fnrational.c.html#FNRationalGetNumerator">src/sys/classes/fn/impls/rational/fnrational.c</A>
<BR><BR><A HREF="./index.html">Index of all FN routines</A>
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