NYC.L3

# NYC.L3 - MAT-NYC LAB#3 Linear Systems 1 Given the m ×...

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Unformatted text preview: MAT-NYC LAB #3 Linear Systems 1. Given the m × n-system - 2 x 1 + 6 x 2 + x 3- 7 x 4 =- 1 x 1 + 5 x 2- 1 2 x 4 = 2 x 2- 3 x 3 = 5 a) What are m and n ? b) Write the system in matrix form. 2. Which of the following matrices are in i) row-echelon form? ii) reduced row-echelon form? a) 2 1- 1 1 1 b) 1 2 2 1 1 1 c) 1 7- 5 2 d) 1 5 10 2 5 2 4 1 7 e) 1 2 1 3. What are all the possible reduced row-echelon forms of a 3 × 2 matrix? 4. The augmented matrix of a system of linear equations has been carried to the following by row operations. Solve the system. a) 1 2 3 1- 1 1- 1 1 2 1 3 b) 1 2 1 3 1 1 1- 1 1 1 1- 1 5. Solve each of the following systems by Gauss-Jordan elimination....
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## This note was uploaded on 09/26/2011 for the course BIO 293 taught by Professor John during the Spring '11 term at Harvard.

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NYC.L3 - MAT-NYC LAB#3 Linear Systems 1 Given the m ×...

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