Searched refs:y_three_h (Results 1 – 1 of 1) sorted by relevance
168 Real y_three_h = f(x + 3 * h); in finite_difference_derivative() local171 … *error = abs((y_three_h - y_m_three_h) / 2 + 2 * (ymth - yth) + 5 * (yh - ymh) / 2) / (30 * h); in finite_difference_derivative()