Update variable name to avoid InvalidArgumentError (index out of bounds) in the last exercise in lab 1.1

[liangmicha]

Rename variable from matrix to images to prevent the following error:

InvalidArgumentError: slice index 2 of dimension 1 out of bounds. [Op:StridedSlice] name: strided_slice/

For reference, matrix is defined two cells up with:

matrix = tf.constant([["Tennis", "No"], ["Basketball", "Yes"], ["Baseball", "No"]])

(which is a matrix of shape [3,2]) (a 2-d tensor)

[diegoquintanav]

For reference, matrix is defined two cells up with:
matrix = tf.constant([["Tennis", "No"], ["Basketball", "Yes"], ["Baseball", "No"]])

I don't see this in the notebook, is it your own definition?

In my case, I solved it by changing the indexes: the previous cell asks for a 2x2 matrix, and therefore accessing matrix[1,2] is not going to work since python indexing starts at zero. I changed it to matrix[0,1] and it worked. Same goes for the other definitions in the same cell.