Question

In: Math

With the aid of fourth order Runge-Kutta method, solve the competing species model defined by dx/dt...

With the aid of fourth order Runge-Kutta method, solve the competing species model defined by

dx/dt =x(2 − 0.4x − 0.3y), x(0) = 2

dy/dt =y(1 − 0.1y − 0.3x), y(0) = 4

where the populations x(t) and y(t) are measured in thousands and t in years. Use a step size of 0.2 for 0 ≤ t ≤ 2 and plot the trajectories of the populations with Matlab or GNU Octave.

Solutions

Expert Solution


Please do like


Related Solutions

Q 4. With the aid of fourth order Runge-Kutta method, solve the competing species model [20...
Q 4. With the aid of fourth order Runge-Kutta method, solve the competing species model [20 points] defined by dx =x(2 − 0.4x − 0.3y), x(0) = 4 dt dy =y(1 − 0.1y − 0.3x), y(0) = 3 dt where the populations x(t) and y(t) are measured in thousands and t in years. Use a step size of 0.2 for 0 ≤ t ≤ 2 and plot the trajectories of the populations with Matlab or GNU Octave.
Write a user-defined MATLAB function that uses classical fourth order Runge-Kutta method to solve a first...
Write a user-defined MATLAB function that uses classical fourth order Runge-Kutta method to solve a first order ODE problem dydx = f(x, y) in a given interval a ? x ? b with initial condition y(a) = y0 and step size of h. For function name and arguments, use [x,y] = myrk4(f, a, b, h, y0) Check your function to find the numerical solution for dydx=?1.2y+7e^(?0.3x) in the interval 0 ? x ? 4 with initial condition y(0)=3. Run your...
Use 3 steps of the Runge-Kutta (fourth order) method to solve the following differential equation to...
Use 3 steps of the Runge-Kutta (fourth order) method to solve the following differential equation to t = 2.4, given that y(0) = 2.3. In your working section, you must provide full working for the first step. To make calculations easier, round the tabulated value of y at each step to four decimal places. a) Provide the four K-values that are calculated at the first step, with four decimal places. b) Provide your answer for y(2.4) with four decimal places....
Use the Runge-Kutta method and the Runge-Kutta semilinear method with the indicated step sizes to find...
Use the Runge-Kutta method and the Runge-Kutta semilinear method with the indicated step sizes to find approximate values of the solution of the given initial value problem at 11 equally spaced points (including the endpoints) in the interval. This question is from the differential equation. y'-4y = x/y^2(y+1) , y(0) = 1; h=0.1, 0.05 , 0.025, on [0, 1]
1)Select all that applies to the Fourth-order Runge-Kutta (RK4) method K subscript 1 equals f left...
1)Select all that applies to the Fourth-order Runge-Kutta (RK4) method K subscript 1 equals f left parenthesis t subscript k comma y subscript k right parenthesis K subscript 2 equals f left parenthesis t subscript k plus h over 2 comma space y subscript k plus h over 2 space K subscript 1 right parenthesis K subscript 3 equals f left parenthesis t subscript k plus h over 2 comma space y subscript k plus h over 2 space K...
Use Classic Runge-Kutta method with h = 1 to solve the system y” - y’ -...
Use Classic Runge-Kutta method with h = 1 to solve the system y” - y’ - 6y = 0, y(0) = 2, y’(0) = 3 on [0,1]
Problem Four (12 Marks) Use Runge Kutta method of order four to approximate the solution of...
Problem Four Use Runge Kutta method of order four to approximate the solution of the initial value problem ?′ + 2? = ??3?, 0 ≤ ? ≤ 1, ?(0) = 0, ???ℎ ℎ = 0.5 Hint: Compute ?(0.5) ??? ?(1)
Using Runge-Kutta method of order 4 to approximate y(1) with step size h = 0.1 and...
Using Runge-Kutta method of order 4 to approximate y(1) with step size h = 0.1 and h = 0.2 respectively (keep 8 decimals): dy/dx = x + arctan y, y(0) = 0. Solutions: when h = 0.1, y(1) = 0.70398191. when h = 0.2, y(1) = 0.70394257.
Using Runge-Kutta method, compute y(0.3), from the equation dy dx = xy 1+x2 with y(0) =...
Using Runge-Kutta method, compute y(0.3), from the equation dy dx = xy 1+x2 with y(0) = 1, take h = 0.1
Solve the system of equation by method of elimination. dx/dt + x−5y = 0, 4x +dy/dt+...
Solve the system of equation by method of elimination. dx/dt + x−5y = 0, 4x +dy/dt+ 5y = 0, x(0) = −1, y(0) = 2.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT