On Sun, 3 Apr 2022 at 23:39, kang li wrote:
> There is an issue in the sympy.dsolve module. When I was trying to solve
> the ode: -B(t)^2 - B'(t) +1 =0. The proper result should be tanh(C_1 - t),
> while the given result is the 1/tanh(C_1 - t).
>
> On Tue, 5 Apr 2022 at 03:31, kang li wrote:
>
Sorry for the typo, the equation is -B(t)^2 + B'(t) +1 =0. And the picture
is right. The problem still remains.
On Monday, April 4, 2022 at 12:46:04 AM UTC+1 Oscar wrote:
> You have a sign mismatch in your equation (+-Bt).
>
> --
> Oscar
>
> On Sun, 3 Apr 2022 at 23:39, kang li wrote:
>
>>
Sorry for the typo, the equation is -B(t)^2 + B'(t) +1 =0. And the picture
is the right. The problem still remians.
On Monday, April 4, 2022 at 12:46:04 AM UTC+1 Oscar wrote:
> You have a sign mismatch in your equation (+-Bt).
>
> --
> Oscar
>
> On Sun, 3 Apr 2022 at 23:39, kang li wrote:
>
