How does the concatenate function works in theano?

This recipe explains how does the concatenate function works in theano.

Recipe Objective - How does the concatenate function works in theano?

Concatenate function is used to merge two or more tensor variables into one.

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Example -

Let's try to concat two matrices using concatenate function:

# Importing libraries
import theano
from theano import tensor

# Creating two matrices
a, b = tensor.matrices('a', 'b')

# Using concatenate function
merge_c = tensor.concatenate([a, b])

# Creating function
cancat_function = theano.function([a, b], merge_c)

# Calling function
cancat_function([[1,2]],[[1,2],[3,4]])

Output -
array([[1., 2.],
       [1., 2.],
       [3., 4.]])

In this way, we can use the concatenation function in theano.

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