- #1
kahwawashay1
- 96
- 0
I am checking my homework with mathematica, but sometimes when I write stuff like
D[(x/((x^2 - y^2)^0.5)), y] , which is supposed to give me the partial derivative of x/((x^2 - y^2)^0.5) with respect to y, i get answer like:
(1. x y)/(x^2 - y^2)^1.5
which is right, except for the random "1."
as another example, when I differentiate above function with respect to x, I again get an answer with "1.x^2" in a numerator.
what on Earth is this "1." ?
D[(x/((x^2 - y^2)^0.5)), y] , which is supposed to give me the partial derivative of x/((x^2 - y^2)^0.5) with respect to y, i get answer like:
(1. x y)/(x^2 - y^2)^1.5
which is right, except for the random "1."
as another example, when I differentiate above function with respect to x, I again get an answer with "1.x^2" in a numerator.
what on Earth is this "1." ?