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Math Foundations
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Calculus
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Gradients
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792.
Types of Critical Points
easy
The gradient is zero at a critical point. What are the possible types of critical points?
A
Local minima, local maxima, or saddle points — all are stationary points where the gradient vanishes
B
Inflection points only — zero gradients always coincide with changes in the function's concavity
C
Local minima only — gradient descent always converges to minima and never gets stuck elsewhere during the optimization process
D
Global minima only — a zero gradient guarantees the function has reached its lowest possible value
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