Pouring over data When I gave you the rule concerning matrix multiplication, I made no pretense that it was easy or intuitively obvious. On the contrary, I told you that although it seemed crazy, it ...

QIANG DU, DESHENG WANG, LIYONG ZHU, ON MESH GEOMETRY AND STIFFNESS MATRIX CONDITIONING FOR GENERAL FINITE ELEMENT SPACES, SIAM Journal on Numerical Analysis, Vol. 47, No. 2 (2009), pp. 1421-1444 ...