Euler Method Essay

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INTRODUCTION OF EULER METHOD
1.1 Ordinary Differential Equations
• A most general form of an ordinary differential equation (ode) is given by f( x, y, y', . . ., y(m) ) = 0
Where x is the independent variable and y is a function of x. y', y'' . . . y(m) are respectively, first, second and mth derivatives of y with respect to x.
Some definitions:
• the highest derivative in the ode is called the order of the ode.
• the degree of the highest order derivative in the ode is called the degree of the ode.
• the differential equation is linear if no product of the dependent variable y(x) with itself or with any one of its derivatives occur in the equation otherwise is non-linear.
• The …show more content…

Consider the following initial value problem:

dy/dx = x2 - 1, y(0) = 1
• Suppose we want to use Euler's Method to graph an estimate for the initial value problem with f(x,y) = x2 - 1 given above, on the interval 0 ≤ x ≤ 2.
• From the initial value condition, we know that when x =0, y = 1, so we will start at the initial point (x0, y0) = (0, 1).
• The tangent line at this point is y = 1 - x. If we use a "step size" of h = 1, then our x coordinates will be x0 = 0, x1 = 1, and x2 = 2, and Euler's Method will give us estimates for the y values corresponding to them.
• For this step size, Euler's Method takes just two steps: x0 = 0, y0 = 1 (The initial point) x1 = 1, y1 = 1 + 1*f(0, 1) = 0 x2 = 2, y2 = 0 + 1*f(1, 0) = 0
• So for h = 1, Euler's Method is estimating that our solution curve goes through the three points: (0, 1), (1, 0), and (2, 0).
• What if we used a smaller step size, say h = 0.5? Then we would get y values corresponding to x0 = 0, x1 = 0.5, x2 = 1, x3 = 1.5, and x4 = …show more content…

4.APPLICATION OF EULER METHOD

• A first-order explicit Euler method with Higdon absorbing boundary condition is presented to simulate GPR wave propagation in 2-D pavement structure

• The Euler Method for Real-time Simulation, like flight simulation

• In Simulation of 3D-deformable Objects Using Stable and Accurate using Euler Method

• This method is also used for Robot fault detection and control

• Euler method is used in natural gas during transportation in pipeline

5.APPLICATION OF EULER METHOD
• Application : The Euler Method for Real-time Simulation

5.1 What is The Application?

• They developed an experimental flight simulator. Its cockpit is shown in

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