How do we calculate the number of possible submatrices of a matrix of order $5\times 6$?
options for the answer are:
-
$465$
-
$1953$
-
$2048$
-
$30$
matrices
How do we calculate the number of possible submatrices of a matrix of order $5\times 6$?
options for the answer are:
$465$
$1953$
$2048$
$30$
Best Answer
Hint: select a subset of rows and then a subset of columns. Empty sets are not allowed.