Cultivate
发表于 2025-3-27 00:58:11
The Fourier Transforms,s so that the Fourier series can be used as a practical tool for determining the Fourier series solution of partial differential equations under prescribed boundary conditions. Thus, the Fourier series of a function .(.) defined on the interval (−., .) is given by
弯弯曲曲
发表于 2025-3-27 02:54:00
9楼
Instrumental
发表于 2025-3-27 08:49:50
9楼
Vldl379
发表于 2025-3-27 09:39:53
10楼
Ruptured-Disk
发表于 2025-3-27 17:34:21
10楼
Coronation
发表于 2025-3-27 20:56:45
10楼
syring
发表于 2025-3-28 01:25:43
10楼