3.5.1 Certification on governing differential equation

As same as pointed out by some textbooks,any form of integral expression logically definedin the infinite space domain,same as Biot-Savart`s formula,would not be enough to construct asolvable mathematic-physical model that is only defined in a finite spac ......（本文共 1950 字 , 2 张图）     [阅读本文] >>