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Phase Line Diagrams. Problems
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- 1) Find all equilibrium solutions of the equation (1 − x) (x² − 4) - x = and classify each one in terms of stability. Draw a phase space diagram and sketch by hand several typical solution curves. Describe the long term (t → ±∞) behavior of the solutions.arrow_forwardFor the following problems: ii. Identify the equilibrium values Construct a phase line. Identify the signs of y' and y". Sketch several solution curves. a. = (y + 2)(y - 3) dx b. = y²-2y dxarrow_forwardH3.arrow_forward
- 7) In each of the following problems:a. Sketch the Phase Plot of the ODE.b. Determine the equilibrium solutions.c. Classify the equilibrium solutions.d. Draw the phase line and sketch several graphs of solutions on the ty-plane. (7a) y′ = y(y −1)(y −2) , y0 > 0 (7b) y′ = y (1 −y2) , −∞< y0 < ∞. (7c) y′ = y2(1 −y)2, −∞< y0 < ∞. carrow_forwardquestion 4 and 5arrow_forwardPhase Line Diagrams. Problems 1 through 7 involve equations of the form dy/dt = f(y). In each problem, sketch the graph of f(y) versus y, determine the critical (equilibrium) points, and classify each one as asymptotically stable or unstable. Draw the phase line, and sketch several graphs of solutions in the ty-plane. 1. dy/dt = y(y - 1)(y-2), yo≥ 0arrow_forward
- Populations of owls and mice are modeled by the equations (equations in picture). Answer the following questions. 1. Which of the variables, x or y, represents the owl population and which represents the mice population? Explain. 2. Find the equilibrium solutions and explain their significance.arrow_forwardQuestion 2. Find the equilibrium solutions of the SIR Model.arrow_forwardPlease solve & show steps...arrow_forward
- 1. Consider the model for population growth below. Use a phase line analysis to sketch solution curves for P(t). Determine if the identified equilibrium is stable or unstable. dP —D P(1 — 2Р) dt 2. Model your own Romeo-Juliet problem. Explain your assumptions and show a plot of the numerical solution. You may add a background story if you want to.arrow_forward5arrow_forwarddetermine the critical (equilibrium) points, and classify each one asymptotically stable, unstable, or semistable (see Problem 5). Draw the phase line, and sketch several graphs of solutions in the ty-plane. dy/dt=y2(1−y)2,−∞<y0<∞arrow_forward
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