Data605_Discussion2

C22 Determinant of a Matrix

#Creating the Matrix
library(matlib)

## Warning: package 'matlib' was built under R version 3.4.4

## Warning in rgl.init(initValue, onlyNULL): RGL: unable to open X11 display

## Warning: 'rgl_init' failed, running with rgl.useNULL = TRUE

M<-matrix(c(1,3,2,6), ncol = 2, byrow = TRUE)
M

##      [,1] [,2]
## [1,]    1    3
## [2,]    2    6

Solution using an R function

D<-det(M)
D

## [1] 0

Manual solution

S<-((2*3)-(1*6))
S

## [1] 0