Correction (independent of testing the theano op), 's' is a simple wrapper to the spline function, it is not the sympy wrapper. the sympy wrapper is K and can be evaluated as In [17]: K._imp_(4.0) Out[17]: array(16.0)
On Thursday, August 22, 2013 5:44:35 PM UTC-4, Guy Parsey wrote: > > Hey Matt, > I am pretty sure that I have tested the theano Op separately from Sympy, > but again, I am probably missing something silly. > After running the test cases, or evaluating > k = TestInterpOp() > k.CreateSuite() > from the SymPy_Theano_KGM_indep.py file, one can run the following lines > > In [2]: s,K,Kp = k.SymInterp() > > In [3]: op = k.TheanoInterpOp() > > In [4]: x = theano.tensor.dvector() > > In [5]: f = theano.function([x],op(x)) > > In [6]: s(4.0) > Out[6]: array(16.0) > > In [7]: f([4.0]) > Out[7]: array([ 16.]) > > where 's' is the sympy wrapped spline function (undefined function) and > 'f' is the theano.function of the theano op created around the spline. > Is this what you mean? > Cheers, > Guy > > On Thursday, August 22, 2013 5:18:49 PM UTC-4, Matthew wrote: >> >> Have you tested your interpolation op in isolation from SymPy? >> >> A quick glance at the error (quick glance means I can easily be wrong) >> leads me to think that this particular issue is localized within the domain >> of Theano. If this is the case then I recommend asking about your spline >> op on the thean...@googlegroups.com mailing list. >> >> >> On Thu, Aug 22, 2013 at 3:59 PM, Guy Parsey <guy.p...@gmail.com> wrote: >> >>> Hello again everyone, >>> I thought I understood everything I needed to implement a theano Op >>> wrapping a scipy spline function through theanocode, but have been promptly >>> proven wrong (and was on a small family vacation). >>> Firstly, many thanks for the modifications done to theanocode to allow >>> for Piecewise and Undefined functions. I feel as though everything is in >>> place for me to solve my problem, but I am still either lacking or >>> mis-undertsanding something with regards to mapping a custom theano Op >>> through the theanocode.theano_function. >>> >>>> >>> I have created a quick test case to show what I have understood to date >>> which in my mind should have all the pieces necessary to function >>> correctly. I have made a small git repository on GitHub in order to share >>> this example and because I became fed up trying to figure out how to >>> publicly share a BitBucket repository (academic license-where I am hosting >>> my thesis project-which will be made public once functioning correctly). >>> https://github.com/gparsey/KGMindep_SympyTheanoOp >>> >>> Running: >>> >>> ipython SymPy_Theano_KGM_indep.py >>> Evaluates three test cases: f0) simple arithmetic operation, f1) sympy >>> piecewise into theano and f2) sympy undefined function wrapped spline into >>> theano using a custom theano Op >>> Third test case crashes with: >>> <<<MissingInputError: ('An input of the graph, used to compute >>> TheanoInterpWrapOp.theanointerp(y), was not provided and not given a >>> value', y) >>> >>> I apologize in advance for: the verbosity of the test cases (trying to >>> figure out what is happening within theanocode) using loc_theanocode >>> (modified sympy.printing.theanocode), the novice nature of my code and >>> whether I included correct references to the SymPy community. I am pretty >>> sure that I am either missing something crucial or doing something silly. >>> Any and all help/comments would be greatly appreciated. >>> Cheers, >>> Guy >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "sympy" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to sympy+un...@googlegroups.com. >>> To post to this group, send email to sy...@googlegroups.com. >>> Visit this group at http://groups.google.com/group/sympy. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
