Exercise

Solution

A <- matrix(c(2, -3, 4, 1, 0),nrow=5)
A
##      [,1]
## [1,]    2
## [2,]   -3
## [3,]    4
## [4,]    1
## [5,]    0
B <- matrix(c(1, -2, -5, 2, 4),nrow=5)
B
##      [,1]
## [1,]    1
## [2,]   -2
## [3,]   -5
## [4,]    2
## [5,]    4
C <- matrix(c(-1, 3, 0, 1, 2), nrow=5)
C
##      [,1]
## [1,]   -1
## [2,]    3
## [3,]    0
## [4,]    1
## [5,]    2
solution<- (4*A)+(-2*B)+ C
solution
##      [,1]
## [1,]    5
## [2,]   -5
## [3,]   26
## [4,]    1
## [5,]   -6