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2018-04-18
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I am reading them from a text file... my matrix should be a dense matrix sized ~500,000 over 300 (a word embedding, which I'm loading from a file)
also, I'm not seeing where to use
or require
float-factory
from.
oh, float-factory
is just a documentation error, it is now native-float
isn't it.
could you kindly suggest something? I tend to think I should initialize it in one shot, hoping that mapcat
ing the file's lines into the neanderthal matrix initialization would not materialize the entire file in memory.
I have found
for getting a vector of a matrix, but not for setting it. Anything more efficient than using alter!
?
Is multiplication with an extremely sparse matrix the way to write specific vectors into/from the matrix?? or is there anything more direct? how bad do you think would it be building and using a sparse "selection matrix" for updating/extracting specific rows?