What are intuitive explanations for convex and non-convex functions? Besides plotting a function to determine if it's a convex or non-convex function, what other methods could we use? - Quora
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Difference Between Convex and Concave Lens (with Figure, Example and Comparison Chart) - Key Differences
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Difference Between Convex and Concave Lens (with Figure, Example and Comparison Chart) - Key Differences
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