Equiv. to rref func. in Matlab?

[1i]

Hi,

I'm new to Octave (and Matlab) and there is a function called rref(a) 
in the exercise section of the book I'm using which is supposed
to output the reduced row echelon form of matrix a.

I've looked through the Info files, but can't find an equivalent in Octave. 

Am I missing the right section or is there a workaround I can use?

many thanks

Gabriela



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