noun
approximate solution
Technical term in mathematics and physics for a solution that is close to the exact answer, often used when an exact solution is difficult or impossible to obtain. Contrasts with 厳密解 (exact solution).
See also: 厳密解
この方程式の厳密解は求められないので、近似解を計算した。
Since the exact solution of this equation cannot be found, we calculated an approximate solution.
In numerical analysis, the accuracy of the approximate solution is important.