Multiplies every coefficient of D by c
i1 : R = QQ[x,y]; |
i2 : D = diffOp{x => x^2+ y, y^2 => 1} 2 2 o2 = dy + (x + y)dx o2 : DiffOp |
i3 : y*D 2 2 2 o3 = y*dy + (x y + y )dx o3 : DiffOp |
i4 : 2*D 2 2 o4 = 2*dy + (2x + 2y)dx o4 : DiffOp |