Problem 1. Consider each of the following systems of ODES (where x₁ and x2 are both dependent variables of the inde- pendent variable t. For each system below: • Write each system in vector/matrix form. ⚫ Find the eigenvectors and eigenvalues of the system by hand. • Use these to construct a real-valued general solution. Then use the initial conditions to find the particular solution. • Graph a component plot (plotting x₁ (t) and x2(t) against t, showing how each component evolves with time). • Graph a phase portrait of the system (on the x1-x2 axis), and use directional arrows to show how the solution evolves as t increases. √x1(0) = −1 x2(0) = 2 (a) Sx1'(t) = 2x1(t) + 2x2(t) when \x2' (t) = 6x1(t) + 3x2(t) ' (b) [x1'(t) = x1(t) + x2(t) when √x₁(0) = = 3 \x2' (t) = 2x1(t) + 2x2(t) |x2(0) = 0

Problem 1. Consider each of the following systems of ODES (where x₁ and x2 are both dependent variables of the inde- pendent variable t. For each system below: • Write each system in vector/matrix form. ⚫ Find the eigenvectors and eigenvalues of the system by hand. • Use these to construct a real-valued general solution. Then use the initial conditions to find the particular solution. • Graph a component plot (plotting x₁ (t) and x2(t) against t, showing how each component evolves with time). • Graph a phase portrait of the system (on the x1-x2 axis), and use directional arrows to show how the solution evolves as t increases. √x1(0) = −1 x2(0) = 2 (a) Sx1'(t) = 2x1(t) + 2x2(t) when \x2' (t) = 6x1(t) + 3x2(t) ' (b) [x1'(t) = x1(t) + x2(t) when √x₁(0) = = 3 \x2' (t) = 2x1(t) + 2x2(t) |x2(0) = 0

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter2: Systems Of Linear Equations

Section2.4: Applications

Problem 16EQ

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