(3) Consider the expressions (a) Write down the Runge-Kutta method for the numerical solution to a differential equation Oy (b) Show that if f is independent of y, i.e. f(x, y) g(x) for some g, t...
According to the Existence and Uniqueness theorem, the differential equation (t−5)y′+ysin(t)=5t necessarily has a unique solution on the interval 0<t≤5. TRUE FALSE A numerical method is said to converge if its approximate solution values for a differential equation y′=f(t,y), y1,y2,...,yn, approach the true solution values ϕ(t1),ϕ(t2),...,ϕ(tn), as the stepsize h→∞. TRUE FALSE If a numerical method has a global truncation error that is proportional to the nth power of the stepsize, then it is called an nth order method. TRUE...
this is numerical analysis please do a and b 3. Consider the trapezoidal rule (T) and Simpson's rule (S) for approximating the integral of a relatively smooth function f on an interval (a, b), for which the following error local estimates are known to hold: (6 - a)"}" (n), for some 7 € (a, b), 12 [ f(z)de –T(S) = [ f(a)der – 5(8) = f(), for some 5 € (a, b), where 8 = (b -a)/2. (a) Given a...
1 with 5. Consider the differential equation y, f(x,y) with initial condition y(zo) = yo. Show that, zi = zo +h, the solution at x1 can be obtained with an er ror O(h3) by the formula In other words, this formula describes a Runge-Kutta method of order 2. with 5. Consider the differential equation y, f(x,y) with initial condition y(zo) = yo. Show that, zi = zo +h, the solution at x1 can be obtained with an er ror O(h3)...
Numerical Methods Consider the following IVP dy=0.01(70-y)(50-y), with y(0)-0 (a) [10 marks Use the Runge-Kutta method of order four to obtain an approximate solution to the ODE at the points t-0.5 and t1 with a step sizeh 0.5. b) [8 marks Find the exact solution analytically. (c) 7 marks] Use MATLAB to plot the graph of the true and approximate solutions in one figure over the interval [.201. Display graphically the true errors after each steps of calculations. Consider the...
Using the Runge-Kutta fourth-order method, obtain a solution to dx/dt=f(t,x,y)=xy^3+t^2; dy/dt=g(t,x,y)=ty+x^3 for t= 0 to t= 1 second. The initial conditions are given as x(0)=0, y(0) =1. Use a time increment of 0.2 seconds. Do hand calculations for t = 0.2 sec only.
Runge-Kutta method R-K method is given by the following algorithm. Yo = y(xo) = given. k1-f(xy) k4-f(xi +h,yi + k3) 6 For i = 0, 1, 2, , n, where h = (b-a)/n. Consider the same IVP given in problem 2 and answer the following a) Write a MATLAB script file to find y(2) using h = 0.1 and call the file odeRK 19.m b) Generate the following table now using both ode Euler and odeRK19 only for h -0.01....
this is numerical analysis. Please do a and b 4. Consider the ordinary differential equation 1'(x) = f(x, y(x)), y(ro) = Yo. (1) (a) Use numerical integration to derive the trapezoidal method for the above with uniform step size h. (You don't have to give the truncation error.) (b) Given below is a multistep method for solving (1) (with uniform step size h): bo +1 = 34 – 2n=1 + h (362. Yn) = f(n=1, 4n-1)) What is the truncation...
Exercise 6: Given the table of the function f(x)-2" 2 X 0 3 2 f(x) 1 2 4 8 a) Write down the Newton polynomials P1(x), P2(x), Pa(x). b) Evaluate f(2.5) by using Pa(x). c) Obtain a bound for the errors E1(x), E2(x), Es(x) Exercise 7: Consider f(x)- In(x) use the following formula to answer the given questions '(x) +16-30f+16f,- 12h a) Derive the numerical differentiation formula using Taylor Series and find the truncation error b) Approximate f'(1.2) with h-0.05...
Numerical methods problems 1, 2 and 3 1. Find the area of the region bounded by f(x)-25-x2 , g(x)-V36-x2 . x=2, and (a) right Riemann sum with 8 segments. (b) midpoint rule with 8 segments (e) Simpson's rule with 8 segments. Determine the average of the function f(x)=2x sinyx on the interval [1.8,3.4] using Romberg rule for 1, 2, 4 and 8 segments. 2, A new fuel for recreational boats being developed at the local university was tested at an...
Discretization, ODE solving, condition number. Consider the differential equation 5y"(x) - 2y'(x) +10y(x)0 on the interval x E [0,10] with boundary conditions y(0)2 and y (10) 3 we set up a finite difference scheme as follows. Divide [0,10] into N-10 sub-intervals, i.e. {xo, X1, [0,1,. 10. Denote xi Xo + ih (here, h- 1) and yi E y(x). Approximate the derivatives as follows X10- 2h we have the following equations representing the ODE at each point Xi ,i = 1,...