A <- matrix(c(5, 10), ncol = 1)
A
B <- diag(c(5, 10))
B
I <- diag(c(1, 1, 1))
I
t(A)
A + A + A
A - A
A * 10
B %*% A
det(B)
solve(B)
A <- matrix(c(5, 10), ncol = 1)
A
B <- diag(c(5, 10))
B
I <- diag(c(1, 1, 1))
I
t(A)
A + A + A
A - A
A * 10
B %*% A
det(B)
solve(B)