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ccjeff

What is the intuition of L2 gradient? How to understand the derivative of a function of a function?

jin

Why would we need to take the L2 gradient? What are the common CG techniques that use L2 gradient?

mzhang3

Is this even more abstractable? What about a function of a function of a function of a function of a function of a function of a function of a function of a function?

yumz

Why is this gradient called L2 gradient? Does it have anything to do with L2 norm and is there an L1 gradient?