[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-22 Thread Martin
I guess Mathematica is the leader on solving differential equations symbolically, and pending other great ideas, I think their syntax is worth copying. Here's an example of the DSolve syntax in Mathematica: DSolve[{y''[x] + x^2 y[x] == 0 , y[0] == 0, y'[0] == 1}, y, x] FriCAS / Axiom is

[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-22 Thread root
FriCAS / Axiom is supposed to be very good at linear differential equations and differential equations of the form y'=f(x, y) - the code is by Manuel Bronstein. It seems to be rather weak for others, it cannot solve the equation above for example. I must admit, however, that I do not know much

[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-21 Thread Tim Lahey
On Aug 21, 2008, at 8:52 PM, Jason Merrill wrote: I guess Mathematica is the leader on solving differential equations symbolically, and pending other great ideas, I think their syntax is worth copying. Here's an example of the DSolve syntax in Mathematica: DSolve[{y''[x] + x^2 y[x] == 0 ,

[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-21 Thread Alec Mihailovs
I guess Mathematica is the leader on solving differential equations symbolically, and pending other great ideas, I think their syntax is worth copying. Here's an example of the DSolve syntax in Mathematica: I think, Maple is better at that, especially for partial differential equations. In

[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-21 Thread Jason Merrill
On Aug 21, 9:01 pm, Tim Lahey [EMAIL PROTECTED] wrote: On Aug 21, 2008, at 8:52 PM, Jason Merrill wrote: I guess Mathematica is the leader on solving differential equations symbolically, and pending other great ideas, I think their syntax is worth copying.  Here's an example of the

[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-21 Thread Tim Lahey
On Aug 21, 2008, at 10:22 PM, Jason Merrill wrote: That sounds good too, as long as boundary conditions are input in the form of equations rather than grunts. I like it a little less in the case that you don't want to supply any boundary conditions--then you'd have to supply an empty list to

[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-21 Thread Jason Merrill
On Aug 21, 10:39 pm, Tim Lahey [EMAIL PROTECTED] wrote: On Aug 21, 2008, at 10:22 PM, Jason Merrill wrote: That sounds good too, as long as boundary conditions are input in the form of equations rather than grunts.  I like it a little less in the case that you don't want to supply any

[sage-devel] Re: Symbolic differential equation solving deserves better syntax

2008-08-21 Thread Alec Mihailovs
Yes, Maple puts both ODE and initial conditions in one set, as dsolve({ODE, ICs}, y(x), options) Alec --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For