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1. Consider the IVP y = 1 - 100(y-t), y(0) = 0.5. (a) Find the exact solution. (b) Use the Forward Euler, Heun, and Backward Euler methods to find approximate solu- tions ont € 0, 0.5], using h = 0.25. Plot all four solutions (exact and three approxima- tions) on the same graph. (c) Maple's approximation is plotted, along with the direction field, in Figure 1. Use it, and the exact solution, to explain the behaviours observed in your numerical...
4. * Using your calculations from 3., plot the exact solution to dy = 1-y, dt y(0) = 1/2, for 0 <ts1, along with the numerical solution given by Euler's method and the trapezoid method, both with stepsize h = 0.1. Give the approximation of y(t = 1) for each numerical method. To distinguish your solutions: (i) Plot the Euler solution using crosses; do not join them with line segments. (ii) Plot the trapezoid solution using squares; again do not...
1 st s2, y(1)1 The exact solution is given by yo) - = . 1+Int Write a MATLAB code to approximate the solution of the IVP using Midpoint (RK2) and Modified Euler methods when h [0.5 0.1 0.0s 0.01 0.005 0.001]. A) Find the vector w mid and w mod that approximates the solution of the IVP for different values of h. B) Plot the step-size h versus the relative error of both in the same figure using the LOGLOG...
6. The differential equation: y 4y 2x y(0) 1/16 has the exact solution given by the following equation: v = (1 /2)s, + (14)s +1.16 Calculate y (2.0) using a step size h-0.5 using the following methods: (a) Euler (b) Euler P-c (c)4h order Runge-Kutta (d) Compare the errors for each method. (e) Solve using Matlab's ode45.m function. Include your code and a print of the solution.
MATLAB HELP 3. Consider the equation y′ = y2 − 3x, where y(0) = 1. USE THE EULER AND RUNGE-KUTTA APPROXIMATION SCRIPTS PROVIDED IN THE PICTURES a. Use a Euler approximation with a step size of 0.25 to approximate y(2). b. Use a Runge-Kutta approximation with a step size of 0.25 to approximate y(2). c. Graph both approximation functions in the same window as a slope field for the differential equation. d. Find a formula for the actual solution (not...
c. exact with solution ZXY+y+C d. exact with solution 2xy +y=c e. not exact lemy 8. The solution of (x +2y )dx + ydy = 0 is a. Inx+ln(y+x)=C b. 1((v+x)/x)=C c. 1(y+x)+x/(x+x)=C d. In(y+x)+x/(y+x) +c e. it cannot be solved
Find the general solution of the given differential equation. x y - y = x2 sin(x) y(x) = (No Response) Give the largest interval over which the general solution is defined. (Think about the implications of any singular points. Enter your answer using interval notation.) (No Response) Determine whether there are any transient terms in the general solution. (Enter the transient terms as a comma-separated list; if there are none, enter NONE.) (No Response)
a use Euler's method with each of the following step sizes to estimate the value of y 0.4 where y is the solution of the initial value problem y -y, y 0 3 カー0.4 0.4) (i) y10.4) (in) h= 0.1 b we know that the exact solution of the initial value problem n part a s yー3e ra , as accurately as you can the graph of y e r 4 together with the Euler approximations using the step sizes...
4. Apply Euler's method with step size h = 1/8 to the model problem y' = -20y, y(0) = 1 - just use the formula. What is the Euler approximation at t = 1? The exact numerical solution goes to 0 as t + . What happens to the numerical solution?
2. Show that the differential equation below is exact and find the general solution. (2xy + 2 y) dx + (2x+y+2x)dy-0