odiff_act
odiff_act
の例
[302] odiff_act([[1,[2]]],x^3+x^2+x+1,[x]); 6*x+2 [303] odiff_act([[1,[1,0]],[1,[0,1]]],x^2+y^2,[x,y]); 2*x+2*y [349] odiff_act(x*dx+y*dy, x^2+x*y+y^2, [x,y]); 2*x^2+2*y*x+2*y^2
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