noun
optimal solution
Used in technical, mathematical, or problem-solving contexts to refer to the best possible solution under given constraints.
この問題の最適解を求めるには、線形計画法が使われる。
Linear programming is used to find the optimal solution to this problem.
チームは議論を重ね、プロジェクトの最適解を導き出した。
After much discussion, the team arrived at the optimal solution for the project.
解 is a general term for 'solution' or 'answer', whereas 最適解 emphasizes that it is the best possible solution.
Compound of 最適 (optimal) + 解 (solution).