tr {lazy.symbolic} | R Documentation |
trace of the input matrix
tr(A)
A |
Input square matrix or scalar |
Can be used with a character matrix.
trace of A
tr(demomat(2,2)) # Semi Symbolic Partitioned Matrix: Super Matrix with SMdim attributes A=demomat(c(2,3),c(2,3),root="a") Printb(A) tr(A) # Fully Symbolic Partitioned Matrix: No SMdim attribute but # fullsymb attribute Ap=demomat(2,2,root="A", fullsymb=1) Printb(Ap) tr(Ap)