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A comment on Machine-Learning Maestro Michael Jordan on the Delusions of Big Data and Others. Parent comment

Re:Machine-Learning Maestro Michael Jordan on the Delusions ... by asdavis on Tuesday October 21, 2014 @12:25PM (#8488107)
It looks like there are still reverse signals (eg., deltas), but they are multiplied by a random matrix B instead of the usual transpose of the weight matrix for that layer. Am I misunderstanding?
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