Keep Gradient Descent from Stalling at Poor Solutions

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Quick Overview

Diagnose gradient descent that appears stuck. Separate local minima, saddles, plateaus, poor conditioning, learning-rate problems, and code defects, then choose evidence-based interventions.

Keep Gradient Descent from Stalling at Poor Solutions

Company: C3 AI

Role: Data Scientist

Category: Machine Learning

Difficulty: hard

Interview Round: Technical Screen

Overview: Diagnose gradient descent that appears stuck. Separate local minima, saddles, plateaus, poor conditioning, learning-rate problems, and code defects, then choose evidence-based interventions.

Read the full C3 AI Data Scientist interview experience this question came from

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C3 AI
Aug 21, 2026
hardData ScientistTechnical ScreenMachine Learning
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