2.13 微分

	Maple	Mathematica
	diff(x^3,x)	D[x^3,x]
	diff(x^n,x)	D[x^n,x]
	f:=x^2+2x*y+3y^3+4x-5y+6	f:=x^2+2x*y+3y^3+4x-5y+6
	diff(f,x)	D[f,x]
	diff(f,x,y)	D[f,x,y]
	diff(f,x$2), diff(f,[x,x])	D[f,{x,2}]
	diff(f,x,x) でも良い	D[f,x,x] でも良い
	diff(exp(2x+3y),[x$2,y$3])	D[Exp[2x+3y],{x,2},{y,3}]
	diff(exp(2x+3y),[x,x,y,y,y]) でも良い