the motivation is actually to find all of the Variables that must be provided as input in order to compute a given node (which is what I think the blocks code I pasted is doing).
On Tue, May 23, 2017 at 5:52 PM, Frédéric Bastien < [email protected]> wrote: > Constant and SharedVariable are different subclass of Variable. So if you > just want to know if an object is a Theano Variable, you can just call > > isinstance(obj, theano.Variable) > > The variables related to random are sometimes subclass of SharedVariable > (for the state) ( the random on the CPU that wrap numpy generator). > > Frédéric > > On Sun, May 14, 2017 at 6:32 PM David Krueger < > [email protected]> wrote: > >> blocks' code-base seems to suggest it is exhaustive: >> (line 265): >> https://github.com/mila-udem/blocks/blob/master/blocks/utils/__init__.py >> >> >> On Sun, May 14, 2017 at 6:30 PM, David Krueger < >> [email protected]> wrote: >> >>> thanks for the response. Do you know if this is an exhaustive list? (I >>> don't care about the distinction between tensors/scalars/dtypes, atm) >>> >>> Also, pg59 has: "Random streams are at their core shared variables", so >>> I guess that clears things up a little bit. >>> >>> >>> >>> >>> >>> On Sun, May 14, 2017 at 7:20 AM, Mohamed Akrout < >>> [email protected]> wrote: >>> >>>> Hi, >>>> >>>> In the official tutorial >>>> <http://deeplearning.net/software/theano/theano.pdf> of Theano, Theano >>>> manipulates Tensor and Scalars. Anyone of these two types can be Variable, >>>> Shared, or constant. >>>> >>>> From my understanding, random is not a type by itself because you have >>>> theano.tensor.constant type but no theano.tensor.random. >>>> >>>> >>>> >>>> On Saturday, May 13, 2017 at 6:22:16 AM UTC+2, David Krueger wrote: >>>>> >>>>> AFAICT, the basic types are: >>>>> >>>>> Variable >>>>> SharedVariable, >>>>> Constant, >>>>> random (??) >>>>> >>>>> are there more? >>>>> >>>>> Is this documented somewhere? >>>>> >>>> -- >>>> >>>> --- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "theano-users" group. >>>> To unsubscribe from this topic, visit https://groups.google.com/d/ >>>> topic/theano-users/y9NhBgRhKEE/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> [email protected]. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >> -- >> >> --- >> You received this message because you are subscribed to the Google Groups >> "theano-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > -- > > --- > You received this message because you are subscribed to a topic in the > Google Groups "theano-users" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/theano-users/y9NhBgRhKEE/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- --- You received this message because you are subscribed to the Google Groups "theano-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
