install.packages(“MASS”)
library(MASS)
a <- matrix(1:100,nrow=10)
b <- matrix(1:1000,nrow=10)
ginv(a)
ginv(b)
det(a)
OUTPUT

install.packages(“MASS”)
library(MASS)
a <- matrix(1:100,nrow=10)
b <- matrix(1:1000,nrow=10)
ginv(a)
ginv(b)
det(a)
OUTPUT
