Hi Everyone,
I'm having trouble with matrixMultiply. I've created two 1 x 20
vectors (arrays) named Prob and V. I want to compute the dot product
(for example, the expected value of V in statistics), which is
prob[1] x V[1] + prob[2] x V[2] + ... + prob[20] x V[20]
but it's not clear whether MetaCard treats vectors as columns or
rows by default. All of the following result in error messages:
matrixMultiply(prob,V)
matrixMultiply(transpose(prob),V)
matrixMultiply(prob,transpose(V))
Any help would be much appreciated.
Regards,
Greg
Gregory Lypny
Concordia University
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The Tragically Hip
http://rubbersoul.concordia.ca
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