Re: boundary conditions

*To*: mathgroup at smc.vnet.net*Subject*: [mg121551] Re: boundary conditions*From*: Peter Pein <petsie at dordos.net>*Date*: Mon, 19 Sep 2011 07:06:32 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <j54nme$91f$1@smc.vnet.net>

Am 18.09.2011 14:20, schrieb goli: > what is the difference between these boundary conditions? do they > represent the same thing? > Derivative[0,1]v[t,0]==0 > v(0,1)[t,0]==0 > Hi, you did not try to enter the two lines above, did you? The first one would make sense if it would read Derivative[0,1][v][t,0]==0 I guess you know about the meaning, because you're asking for BCs. But I can't imagine how v(0,1)[t,0]==0 should make sense without an extension of Mathematica's parser. Peter