Store long bitstream with one bit per element instead of doubles

[shekoofy]

matlab easy question!

hi,
I,ve recently wrote a m-file in MATLAB which generates a kind of long bitstream,science it is a long stream i wonder if there is any pisibility that i could put them in a form that each bit occupies
exactly one bit rather than a double in workspace.
thank u all

 

[MATLABdude]

Sure, you could pack 64 of them into one double. But really, with near infinite (virtual) memory these days, why bother?

However, you can use uint8 or single to change the amount of space utilized to store the individual elements of an array:
http://www.mathworks.com/access/helpdesk/help/techdoc/ref/uint8.html
http://www.mathworks.com/access/helpdesk/help/techdoc/ref/single.html

 

[Predictor]

hi,
I,ve recently wrote a m-file in MATLAB which generates a kind of long bitstream,science it is a long stream i wonder if there is any pisibility that i could put them in a form that each bit occupies
exactly one bit rather than a double in workspace.

Yes, you could use one of the longer integer data types and bit-level operators. Try:

help uint64
help bitset
help bitget



-Will Dwinnell
http://matlabdatamining.blogspot.com/"