Science, Numerical Analysis, Ritz.
condition of the problem i.e. φᵢ(0)=0 (see Equation 3). Clearly, φ₁(x)=0.5x, φ₂(x)=0.5x², and so on meet this requirement. Thus, the following set of functions are admissible Equation 25: List of admissible approximation functions And the approximate solution is of the following form (see Equation