378 MatrixAlgebraHW

378 MatrixAlgebraHW - MATRIX ALGEBRA HOMEWORK EXERCISES Use...

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1 M ATRIX A LGEBRA H OMEWORK E XERCISES Use the following matrices to find the computations listed below. [] 9 8 7 9 5 0 4 8 2 3 1 11 10 7 6 5 4 3 2 7 6 5 4 3 2 1 0 = = = = = = = = E H G F D C B A M1. Types of matrices: Answer the following questions for matrices A-H. A) What are the dimensions of the matrix? B) Is it a row or column vector? C) Is it a square matrix? D) Is it symmetric? M2. Transpose: Find the following transposes. (NOTE: Transpose can be written equivalently A’ or A T .) A) A T B) B C) C D) G E) [ A T ] T (Hint: Use your answer to part A) F) [( C T ) T ] T M3. Scalar Multiplication: A) Find 3 A B) Find -0.5 B M4. Addition/Subtraction: Find the following sums and differences. If two matrices are not conformable for addition then state that the sum (or difference) does not
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This note was uploaded on 04/07/2011 for the course ECON 378 taught by Professor Staff during the Spring '08 term at BYU.

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378 MatrixAlgebraHW - MATRIX ALGEBRA HOMEWORK EXERCISES Use...

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