Consider the following system of equations dx dt = x(3- 3x - y), dy dt y(3x-3y), for 0≤ x ≤2, 0 ≤ y ≤2. 4 (a) Find all the fixed points of this system. (b) Compute the Jacobian matrix of (4) and determine the linearisation about each fixed point. Calculate the eigenvalues and eigenvectors and hence classify the type and stability of each fixed point, sketching the phase portrait of each linearised system. = = = x are invariant, with respect to 4 (c) Show that the lines x 0, y O and y (d) Sketch a phase portrait of the nonlinear system 4 indicating fixed points, invari- ant lines and the qualitative behaviour.

Linear Algebra: A Modern Introduction
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Chapter3: Matrices
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can you please do c and d

Consider the following system of equations
dx
dt
=
x(3- 3x - y),
dy
dt
y(3x-3y), for 0≤ x ≤2, 0 ≤ y ≤2. 4
(a) Find all the fixed points of this system.
(b) Compute the Jacobian matrix of (4) and determine the linearisation about each
fixed point. Calculate the eigenvalues and eigenvectors and hence classify the type
and stability of each fixed point, sketching the phase portrait of each linearised
system.
=
=
= x are invariant, with respect to 4
(c) Show that the lines x 0, y O and y
(d) Sketch a phase portrait of the nonlinear system 4 indicating fixed points, invari-
ant lines and the qualitative behaviour.
Transcribed Image Text:Consider the following system of equations dx dt = x(3- 3x - y), dy dt y(3x-3y), for 0≤ x ≤2, 0 ≤ y ≤2. 4 (a) Find all the fixed points of this system. (b) Compute the Jacobian matrix of (4) and determine the linearisation about each fixed point. Calculate the eigenvalues and eigenvectors and hence classify the type and stability of each fixed point, sketching the phase portrait of each linearised system. = = = x are invariant, with respect to 4 (c) Show that the lines x 0, y O and y (d) Sketch a phase portrait of the nonlinear system 4 indicating fixed points, invari- ant lines and the qualitative behaviour.
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