I want to know if is it possible to get a derivative or an approximation of the derivative of the trace norm with respect to a column. More specifically if we have a matrix containing in each of its elements a function of a parameter 'w', how to get the derivative of the trace norm of this matrix with respect to 'w'?
2026-03-30 09:47:29.1774864049
Trace norm differentiation with respect to a column
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