2. Let's consider these three autonomous differential equations: 1. = y²-2y II. y' = y² + 2y + 1 III. y'=y³ Let x be the real indipendent variable. Find and classify the equilibrium points of 1. Compute the solution y(x) of II., assuming the initial condition y(1) = -2 Compute the solution y(x) of III., assuming the inital condition y(0) = 1 and evaluate if the origin is a stable or unstable equilibrium point for III. • Look at this second order omogeneus differential equation: Py(x, t) dy(x, t) Ət this is called the "heat equation" (in a symplified form). x is a real variable, t is the time (non negative real variable). y(x,t) is a 2-variable function, whose physical meaning is the absolute temperature -in kelvin degrees - at a certain point x at the time t So it is assumed that y(x, t) > 0 Vz € R,Vt > 0, in an environment such that there are no sources nor dispersions of heat. -e-t Verify that the function y(x, t) = heat equation. √Ant is as solution of the Suppose now that the following initial condition is given: y(x,0) = c where c is a positive costant.. find out the solution y(x,t) VzR, Vt> just relying on its physical meaning (no computation is needed).
2. Let's consider these three autonomous differential equations: 1. = y²-2y II. y' = y² + 2y + 1 III. y'=y³ Let x be the real indipendent variable. Find and classify the equilibrium points of 1. Compute the solution y(x) of II., assuming the initial condition y(1) = -2 Compute the solution y(x) of III., assuming the inital condition y(0) = 1 and evaluate if the origin is a stable or unstable equilibrium point for III. • Look at this second order omogeneus differential equation: Py(x, t) dy(x, t) Ət this is called the "heat equation" (in a symplified form). x is a real variable, t is the time (non negative real variable). y(x,t) is a 2-variable function, whose physical meaning is the absolute temperature -in kelvin degrees - at a certain point x at the time t So it is assumed that y(x, t) > 0 Vz € R,Vt > 0, in an environment such that there are no sources nor dispersions of heat. -e-t Verify that the function y(x, t) = heat equation. √Ant is as solution of the Suppose now that the following initial condition is given: y(x,0) = c where c is a positive costant.. find out the solution y(x,t) VzR, Vt> just relying on its physical meaning (no computation is needed).
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section: Chapter Questions
Problem 2RP: A Bitter Dispute With the publication of Ars Magna, a dispute intensified between Jerome Cardan and...
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