In a pond, green sunfish competes with bluegill for food. Let x, y be the amount of green sunfish and bluegill respectively (in thousands). Suppose that the interaction of the green sunfish and the bluegill is described by the system x' = 3x – x2 (1) (2) xy, y' = 3y – 2y – 0.5xy • Find all critical points of this system. • Compute Jacobian matrices of the system at the critical points; determine types of these points if possible (saddle, nodal source/sink, spiral source/sink). Sketch the phase portrait of the (nonlinear) system in the domain a > 0, y > 0 (cv. examples 3,4 in Sec. 6.3).
In a pond, green sunfish competes with bluegill for food. Let x, y be the amount of green sunfish and bluegill respectively (in thousands). Suppose that the interaction of the green sunfish and the bluegill is described by the system x' = 3x – x2 (1) (2) xy, y' = 3y – 2y – 0.5xy • Find all critical points of this system. • Compute Jacobian matrices of the system at the critical points; determine types of these points if possible (saddle, nodal source/sink, spiral source/sink). Sketch the phase portrait of the (nonlinear) system in the domain a > 0, y > 0 (cv. examples 3,4 in Sec. 6.3).
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.1: Matrix Operations
Problem 20EQ: Referring to Exercise 19, suppose that the unit cost of distributing the products to stores is the...
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