noun
calculus of variations
Mathematical field dealing with finding functions that optimize functionals. Used in pure and applied mathematics.
変分法は、最適制御理論の基礎となる数学の一分野です。
The calculus of variations is a branch of mathematics that forms the basis of optimal control theory.
noun
variational method
In quantum mechanics, an approximation technique for finding ground states and energies. Often used in computational physics.
量子力学では、変分法を用いて基底状態のエネルギーを近似的に求めることができます。
In quantum mechanics, the variational method can be used to approximately determine the ground state energy.