myCX | R Documentation |
The input data is assumed to be a matrix. When algorithms of MWCAParams and CoupledMWCAParams are specified as "myCX", This function is called in MWCA and CoupledMWCA.
myCX(Xn, k)
Xn |
The input matrix which has N-rows and M-columns. |
k |
The rank parameter (k <= min(N,M)) |
The output matrix which has N-rows and k-columns.
Koki Tsuyuzaki
Petros Drineas et al., (2008). Relative-Error CUR Matrix Decompositions, SIAM Journal on Matrix Analysis and Applications, 30(2), 844-881.
if(interactive()){
# Test data
matdata <- matrix(runif(10*20), nrow=10, ncol=20)
# Perform CX
myCX(matdata, k=3)
}
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