Querstion about the tutorial 23.learning.ipynb

[Burak Acar]

Hi,

I am trying to familiarise myself with Julia and Knet. Having followed some Julia tutorials, I started the Knet tutorials. Here is a quick question:

The first cell in tutorial notebook "23.learning.ipynb" has the following lines:

Base.argmax(a::KnetArray) = argmax(Array(a))

Base.argmax(a::AutoGrad.Value) = argmax(value(a))

What are they for? Are these redefinitions of argmax when the input type is KnetArray and AutoGrad.Value?

And, what is the following line for?

ENV["COLUMNS"] = 72

[Deniz Yuret]

On Wed, Jul 10, 2019, 10:47 AM Burak Acar <burak...@gmail.com> wrote:

Hi,

I am trying to familiarise myself with Julia and Knet. Having followed some Julia tutorials, I started the Knet tutorials. Here is a quick question:

The first cell in tutorial notebook "23.learning.ipynb" has the following lines:

Base.argmax(a::KnetArray) = argmax(Array(a))

Base.argmax(a::AutoGrad.Value) = argmax(value(a))

What are they for? Are these redefinitions of argmax when the input type is KnetArray and AutoGrad.Value?

yes.

And, what is the following line for?

ENV["COLUMNS"] = 72

controls the number of columns in display.

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