A square matrix in which all the elements lying
on the main diagonal of the matrix are equal and remaining elements off the
main diagonal are all zero is called……..
a) diagonal matrix
b) scalar matrix
c) identity matrix
d) all of these
Scalar matrix is a special case of a……….
a) identity matrix
b) transpose matrix
c) zero matrix
d) diagonal matrix
Diagonal matrix should be…..matrix
a) square
b) rectangular
c) row
d) none
If matrix A is scalar then order of A should be
a) 2-by-3
b) 3-by-2
c)3-by-3
d) all of these
Identity Matrix
A diagonal matrix in which all the diagonal
entries are 1 is called……matrix
a) identity
b) rectangular
c) row
d) none of these
