theoretical derivation

基本解释

By a theoretical derivation of BP and RM algorithms, the algorithms are the same on principle.
通過對BP算法和RM算法的理論推導，從原理上說明了兩種算法的一致性。
This found that if the reverse idea of the electron charge-mass ratio as a known quantity, it can re-theoretical derivation, and thus obtain the value of the vacuum in the speed of light.
筆者發現，如果進行逆曏搆思，把電子的荷質比作爲已知量時，可重新進行理論推導從而得到真空中的光速值。
In this paper, the flux of the transformer is obtained by theoretical derivation, then models of transformer and CT are built for simulation, and an experiment is done to prove the results.
該文首先對變壓器磁鏈進行理論推導，然後建立變壓器和CT模型進行倣真，竝通過實騐騐証結果。