https://community.intel.com/t5/Intel-Integrated-Performance/Why-does-ippmEigenValuesVectorsRight-return-left-vectors/m-p/872606#M9125 <P>After some lengthy debugging, I figured out ippmEigenValuesVectorsRight_m_64f is returning left eigenvectors instead of right ones. I'm using IPP 6.1.3.047 64bit. I'm using the Nehalem version of the function in question from the static lib.</P> <P>I came to this conclusion after using the function on the singular, non-symmetric matrix, row major matrix:</P> <P>1 0 0</P> <P>1 .5 0</P> <P>0 0 0</P> <P>Why such a glaring bug. Am I using the function incorrectly, or was the singular case not well tested?</P> <P></P> Wed, 10 Mar 2010 22:40:01 GMT YZhan69 2010-03-10T22:40:01Z https://community.intel.com/t5/Intel-Integrated-Performance/Why-does-ippmEigenValuesVectorsRight-return-left-vectors/m-p/872606#M9125 <P>After some lengthy debugging, I figured out ippmEigenValuesVectorsRight_m_64f is returning left eigenvectors instead of right ones. I'm using IPP 6.1.3.047 64bit. I'm using the Nehalem version of the function in question from the static lib.</P> <P>I came to this conclusion after using the function on the singular, non-symmetric matrix, row major matrix:</P> <P>1 0 0</P> <P>1 .5 0</P> <P>0 0 0</P> <P>Why such a glaring bug. Am I using the function incorrectly, or was the singular case not well tested?</P> <P></P> Wed, 10 Mar 2010 22:40:01 GMT https://community.intel.com/t5/Intel-Integrated-Performance/Why-does-ippmEigenValuesVectorsRight-return-left-vectors/m-p/872606#M9125 YZhan69 2010-03-10T22:40:01Z