https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/SSI/m-p/1128849#M25486 <P>Hi John,</P> <P>If i understand correct, for equation 2, as i understand , if the lelf array y(k+i) etc&nbsp;&nbsp; and right array y(k) ete ready, then it is dot product, right?</P> <P>MKL has such function , please see all mkl function list in <A href="https://software.intel.com/en-us/mkl-developer-reference-c">https://software.intel.com/en-us/mkl-developer-reference-c</A></P> <P>No direct for equation 3.&nbsp; But seems there are much optimize chance for the equation by manual code and several mkl dotproduct matrix vector functions. .&nbsp;</P> <P>Best Regards,<BR /> Ying</P> Fri, 26 Jan 2018 06:13:01 GMT Ying_H_Intel 2018-01-26T06:13:01Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/SSI/m-p/1128848#M25485 <P><span class="lia-inline-image-display-wrapper" image-alt="Capture7.PNG"><img src="https://community.intel.com/t5/image/serverpage/image-id/9824i23B2843B64557CDF/image-size/large?v=v2&amp;px=999&amp;whitelist-exif-data=Orientation%2CResolution%2COriginalDefaultFinalSize%2CCopyright" role="button" title="Capture7.PNG" alt="Capture7.PNG" /></span></P> <P>Is there a MKL routine to do either equation 2 or directly do equation 3.&nbsp;&nbsp;</P> <P>Thanks&nbsp;</P> <P>John</P> <P>&nbsp;</P> Thu, 25 Jan 2018 20:56:01 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/SSI/m-p/1128848#M25485 JohnNichols 2018-01-25T20:56:01Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/SSI/m-p/1128849#M25486 <P>Hi John,</P> <P>If i understand correct, for equation 2, as i understand , if the lelf array y(k+i) etc&nbsp;&nbsp; and right array y(k) ete ready, then it is dot product, right?</P> <P>MKL has such function , please see all mkl function list in <A href="https://software.intel.com/en-us/mkl-developer-reference-c">https://software.intel.com/en-us/mkl-developer-reference-c</A></P> <P>No direct for equation 3.&nbsp; But seems there are much optimize chance for the equation by manual code and several mkl dotproduct matrix vector functions. .&nbsp;</P> <P>Best Regards,<BR /> Ying</P> Fri, 26 Jan 2018 06:13:01 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/SSI/m-p/1128849#M25486 Ying_H_Intel 2018-01-26T06:13:01Z