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Matrix ops for 1

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Noah L. Schrick 2023-03-26 17:09:07 -05:00
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Schrick-Noah_Homework-5.R
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## 1. Systems of Equations in Matrix Form ## 1. Systems of Equations in Matrix Form
# a. Use built-in R solve # 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 # b. Verify with matrix mult
A%*%x == b
## 2. Matrix from polynomial ## 2. Matrix from polynomial
# a. Create vector for x and y # a. Create vector for x and y