https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Incomplete-LU-factorization-of-complex-matrix/m-p/902271#M11344 <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Hi Stefan, </SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Thank you for using Intel MKL!</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Current implementation of preconditioners does not allow straightforward usage for complex matrices. You may use one of 2 options available.</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">First option would be to file feature request for complex preconditioners through </SPAN><SPAN style="font-size: 9pt; color: black; font-family: Verdana;"><A href="http://premier.intel.com/"><SPAN style="mso-ansi-language: EN-US; mso-bidi-font-size: 12.0pt;" lang="EN-US"></SPAN></A><A href="http://premier.intel.com" target="_blank">http://premier.intel.com</A></SPAN><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"> site (registration is required).</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Second option is to convert the complex system to real one (twice larger with separatedreal and imaginary parts) andapply preconditionerstothis real system. </SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Kind regards, </SPAN><SPAN style="font-size: 9pt; color: black; font-family: Verdana;"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana;">Sergey G</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="mso-bidi-font-size: 9.0pt;"><SPAN style="font-size: small; font-family: Times New Roman;"></SPAN></SPAN></P> Mon, 24 Nov 2008 06:16:34 GMT Sergey_G_Intel 2008-11-24T06:16:34Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Incomplete-LU-factorization-of-complex-matrix/m-p/902270#M11343 <P>Hi,</P> <P>is there a possibility to use the routines dcsrilu0 or dcsrilut on complex sparse matrices?</P> <P>Thank you!</P> <P>Stefan</P> Tue, 18 Nov 2008 16:04:12 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Incomplete-LU-factorization-of-complex-matrix/m-p/902270#M11343 cornholio84 2008-11-18T16:04:12Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Incomplete-LU-factorization-of-complex-matrix/m-p/902271#M11344 <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Hi Stefan, </SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Thank you for using Intel MKL!</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Current implementation of preconditioners does not allow straightforward usage for complex matrices. You may use one of 2 options available.</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">First option would be to file feature request for complex preconditioners through </SPAN><SPAN style="font-size: 9pt; color: black; font-family: Verdana;"><A href="http://premier.intel.com/"><SPAN style="mso-ansi-language: EN-US; mso-bidi-font-size: 12.0pt;" lang="EN-US"></SPAN></A><A href="http://premier.intel.com" target="_blank">http://premier.intel.com</A></SPAN><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"> site (registration is required).</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Second option is to convert the complex system to real one (twice larger with separatedreal and imaginary parts) andapply preconditionerstothis real system. </SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana; mso-ansi-language: EN-US;" lang="EN-US">Kind regards, </SPAN><SPAN style="font-size: 9pt; color: black; font-family: Verdana;"></SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="font-size: 9pt; color: black; font-family: Verdana;">Sergey G</SPAN></P> <P class="MsoNormal" style="margin: 0in 0in 0pt;"><SPAN style="mso-bidi-font-size: 9.0pt;"><SPAN style="font-size: small; font-family: Times New Roman;"></SPAN></SPAN></P> Mon, 24 Nov 2008 06:16:34 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Incomplete-LU-factorization-of-complex-matrix/m-p/902271#M11344 Sergey_G_Intel 2008-11-24T06:16:34Z