变分学

變分學

biànfēnxué

noun

Meanings

1 calculus of variations (mathematics)

Characters

divide, fraction

study (suffix '-ology')

Examples

变分学是研究泛函极值的数学分支。

Biànfēnxué shì yánjiū fànhán jízhí de shùxué fēnzhī.

Calculus of variations is the branch of mathematics that studies extrema of functionals.

他的博士论文是关于变分学的。

Tā de bóshì lùnwén shì guānyú biànfēnxué de.

His PhD thesis was on the calculus of variations.

Tips

usage

The math discipline founded by Euler and Lagrange. 变分 = 'variation' (the perturbation δ in δJ=0); 学 = 'study of'. Cousin term: 变分法 (biànfēnfǎ, 'variational method').

Stroke Order

变 biàn

分 fēn

学 xué