--- Alfonso Salazar wrote: > Does somebody know why for some matriz fail the verb > below?
Probably because they are not positive definite. > The verb in question is: > NB. ¡Oh No!, ¡Not Eigenvalues Again! > A=: 33 16 72 , _24 _10 _57 ,: _8 _4 _17 (A=|A)>0=A 1 1 1 0 0 0 0 0 0 You may find this link useful http://www2.gsu.edu/~mkteer/npdmatri.html > Does somebody know another verb in J in order to > calculate eigenvalues? Did you try the LAPACK addon that has been suggested several times? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
