Matrix ops for 1

Schrick-Noah_Homework-5.R

@@ -5,8 +5,14 @@
 
 ## 1. Systems of Equations in Matrix Form
 # a. Use built-in R solve
+A <- matrix(c(2,3,4,3,2,-3,4,4,2),nrow=3)
+b <- matrix(c(3,5,9), nrow=3)
+
+x <- solve(A,b)
+x
 
 # b. Verify with matrix mult
+A%*%x == b
 
 ## 2. Matrix from polynomial
 # a. Create vector  for x and y