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Table 3 Work flow of GD

From: Identifying Alzheimer’s disease-related proteins by LRRGD

Work flow of GD
Step 1. Finding descent direction
\( \nabla =\frac{\partial f}{\partial x} \)
Step 2. Moving x
x = x − k
 k is descent rate.
Step 3. Repeat step 2, until satisfied with the following equation
f(xn + 1) − f(xn) < ε
ε is any constant.