 function to be minimised.</td></tr>
<tr><td id="wrt">wrt</td><td> an array of Operations that we want the derivative of objective with respect to.</td></tr>
<tr><td id="learningRate">learningRate</td><td> the value used to scale the size of the gradient used in the update rule</td></tr>
<tr><td id="momentumRate">momentumRate</td><td> scaling factor for the previous update</td></tr>
<tr><td id="nesterov">nesterov</td><td> indicates whether Nesterov's accelerated gradient should be used</td></tr>
</table>
</