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Gradient Methods
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Convex vs non-convex
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176.
Definition of Convex Function
easy
What defines a convex function?
A
A function where a unique global minimum exists and gradient descent always finds it in finite steps
B
A function where the gradient is always positive and increasing across the entire domain
C
A function where the second derivative is always positive, ensuring a strictly increasing gradient
D
A function where any line segment between two points on the curve lies above or on the curve
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