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Diffstat (limited to 'Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.6.3')
| -rw-r--r-- | Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.6.3/Ex2.6_3.r | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.6.3/Ex2.6_3.r b/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.6.3/Ex2.6_3.r new file mode 100644 index 00000000..5cfa3b38 --- /dev/null +++ b/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.6.3/Ex2.6_3.r @@ -0,0 +1,19 @@ +# Packages used : pracma +# To install pracma,type following in command line while connected to internet +# install.packages("pracma") +# package can be included by command " library(pracma) " +# for more information about pracma visit https://cran.r-project.org/web/packages/pracma/index.html + +# Example : 3 Chapter : 2.6 Pageno : 98 +# Forward Elimination +library(pracma) +A<-matrix(c(1,4,2,9),ncol=2) +b<-c(5,21) +L<-lu(A)$L +U<-lu(A)$U +c<-solve(L,b) +x<-solve(U,c) +print("The solution is ") +print(x) + +# The answers may vary due to rounding off values
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