Re: [Visualpython-users] can't understand arange() behavior

[Gary P. <gar...@gm...>]

In [1]: 3 * 0.1
Out[1]: 0.30000000000000004

I.e.,  3 * 0.1 > 0.3

The floating point gotcha, yet again.

-g

On Sat, Mar 29, 2008 at 11:13 PM, Joe Heafner <hea...@gm...> wrote:
> When I type arange(1, 3, 1) I get [1, 2] as expected. When I type
> arange(0.1, 0.3, 0.1) I get [0.1, 0.2] as expected. But when I type
> arange(0.1, 3*0.1, 0.1) I get [0.1, 0.2, 0.3], which is not what would
> expect. I can't find this behavior documented anywhere. What's going on?
>
> Joe
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