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<H1>DSMatType</H1>
Used to refer to one of the matrices stored internally in <A HREF="../DS/DS.html#DS">DS</A>
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
typedef enum { DS_MAT_A,
DS_MAT_B,
DS_MAT_C,
DS_MAT_T,
DS_MAT_D,
DS_MAT_F,
DS_MAT_Q,
DS_MAT_Z,
DS_MAT_X,
DS_MAT_Y,
DS_MAT_U,
DS_MAT_VT,
DS_MAT_W,
DS_MAT_E0,
DS_MAT_E1,
DS_MAT_E2,
DS_MAT_E3,
DS_MAT_E4,
DS_MAT_E5,
DS_MAT_E6,
DS_MAT_E7,
DS_MAT_E8,
DS_MAT_E9,
DS_NUM_MAT } DSMatType;
</PRE>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
The matrices preferently refer to
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_A </B></TD><TD> - first matrix of eigenproblem/singular value problem
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_B </B></TD><TD> - second matrix of a generalized eigenproblem
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_C </B></TD><TD> - third matrix of a quadratic eigenproblem
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_T </B></TD><TD> - tridiagonal matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_D </B></TD><TD> - diagonal matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_F </B></TD><TD> - result of matrix function
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_Q </B></TD><TD> - orthogonal matrix of (right) Schur vectors
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_Z </B></TD><TD> - orthogonal matrix of left Schur vectors
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_X </B></TD><TD> - right eigenvectors
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_Y </B></TD><TD> - left eigenvectors
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_U </B></TD><TD> - left singular vectors
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_VT </B></TD><TD> - right singular vectors
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_W </B></TD><TD> - workspace matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>DS_MAT_Ex </B></TD><TD> - extra matrices (x=0,..,9)
</TD></TR></TABLE>
<P>
All matrices can have space to hold ld x ld elements, except for
DS_MAT_T that has space for 3 x ld elements (ld = leading dimension)
and DS_MAT_D that has space for just ld elements.
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../DS/DSAllocate.html#DSAllocate">DSAllocate</A>(), <A HREF="../DS/DSGetArray.html#DSGetArray">DSGetArray</A>(), <A HREF="../DS/DSGetArrayReal.html#DSGetArrayReal">DSGetArrayReal</A>(), <A HREF="../DS/DSVectors.html#DSVectors">DSVectors</A>()
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/ds/../../include/slepcds.h.html#DSMatType">src/ds/../../include/slepcds.h</A>
<BR><A HREF="./index.html">Index of all DS routines</A>
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