Numerical Approximation of Higher-Order Solutions of the Quadratic Nonlinear Stochastic Oscillatory Equation Using WHEP Technique

Figure 6

The first-order response mean and variance for (a) 𝜀=0.7 and (b) 𝜀=1.0. Case of exponential function 𝑒^−0.5𝑡 multiplied by the white noise.

(a)

(b)