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: le : Macro Operators : join

laplace0

f [v1 ... vn] laplace0 g
poly f ; string v1 ... vn ; poly g;
array of poly f ; string v1 ... vn ; array of poly g;
 g is the lapalce transform of f with respect to variables v1, ..., vn.
Example: (x Dx + y Dy + z Dz). [(x) (y) (Dx) (Dy)] laplace0
 x --> -Dx, Dx --> x,  y --> -Dy, Dy --> y.



Nobuki Takayama 平成15年5月13日