Mini-Batch Gradient Descent
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Mini-Batch Gradient Descent
1. What is Mini-Batch Gradient Descent?
Mini-Batch Gradient Descent is an algorithm between the Batch Gradient Descent and Stochastic Gradient Descent. Concretly, this use some(not one or all) examples(M) for each iteration.
2. Compute Effort
The compute time of this algorithm depends on the examples. It not stable, but the worst case is like Batch Gradient Descent: O(
The table below shows the different among these there Gradient Descent
3. Gradient Descent Formula
For all
E.g.,
two parametersθ0,θ1 –>hθ(x)=θ0+θ1x1
For i = 0 :
For i = 1:
Note that the datasets need to be shuffled before iteration.
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