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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture discusses the conditions for a function to be non-differentiable at a point in R2, emphasizing the importance of directional derivatives and the implications of the differentiability theorem. Through examples, the instructor illustrates scenarios where a function can be derivable but not of class C1 or C2, highlighting the complexity of tangents and surfaces in multivariable calculus.