lesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction looplesson 3 of 5 · the training and prediction loop
Complete the training loop: the gradient of squared error with respect to w, and the downhill update.