Add example for ndarray.dot (#6261)
Add example for ndarray.dot (#6261)

* Add example for ndarray.dot

* Change ndarray dot example

* Remove numbers and use a different example

Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet