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About matrix multiplication

morphismmorphism Member Posts: 18 Learner I
in Help

Dear everybody.


I am looking for a way to do Matrix Multiplication.


If I have two example sets A, B which have form of Matrices.

I want to get C = A * B where * is a matrix multiplication

In some cases, it will be very helpful

Can I do this matrix multiplication in RapidMiner?


Thank you.

Answers

  • SGolbertSGolbert RapidMiner Certified Analyst, Member Posts: 344 Unicorn
    Hi,

    I don't think there is an operator to do it, but nonetheless there are several ways. The most efficient one inside RapidMiner would be to write a Groovy script (operator Execute Script). R/Python could also be used but could be much slower if the matrices are big. In R/Python it's literally one line of code.

    What is the use case?


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