按照IEEE Style 写的bibliography G.Baumann, Calculus of Variations, in Mathematica for Theoretical Physics 1,Classical Mechanics and Nonlinear Dynamics, 2nd ed. New York: Springer, 2005, pp. 274-304.
In := Out = Out //MatrixForm= In := (* a1,1 is not a symbol*) Out = 1 Out //MatrixForm= Out //FullForm= 1 In := Out //MatrixForm= In := Out = 3 Out //MatrixForm= Out = In := ...