noun
harmonic function
Mathematical term for a twice continuously differentiable function that satisfies Laplace's equation.
調和関数はラプラス方程式を満たす。
A harmonic function satisfies Laplace's equation.
Compound of 調和 (chōwa, 'harmony') and 関数 (kansū, 'function'), likely a calque of English 'harmonic function'.