结识Shankar源于普通物理学I(H)，那门课的参考教材就是Shankar写的Yale公开课—基础物理。虽然我几乎没怎么看这本教材，但是他书里的段子却听同学讲了很多，实在是过于幽默了。我自己看这本书几乎是跳过正文，专看一些段子 得知Shankar的书平易近人，于是就选择阅读他的量子力学教材，虽然有点厚。 该集合就是Shankar的Principles of Quantum Mechanic...

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click here to save the pdf version of this article Mathematical PhysicsPartial Differential EquationThe Classes of PDEWe only discuss PDE with two variables. Basic PDE ExampleWhat matters is to fi...

click here to save the pdf version of this article Mathematical PhysicsBased on Qiao Gu’s and Liang’s. Complex FunctionBasic DefinitionsFor a complex function $f(z)=f(x+iy)=u(x,y)+iv(x,y...