On 17 January 2013 01:56, David Ward Lambert <[email protected]> wrote: > I suppose j stores complex numbers as REAL j. IMAG . If instead j > stored radius and direction these might have better meaning: > ...
Once we have +0 and -0 as distinct values, why stop here? In the complex plane, one would expect a continuum of zeros with all possible trends. Thus, z =. 0 r. α is a complex number of zero magnitude and argument α -- a pure direction! So *.z returns the list 0,α, while +.z returns a list of two values such that 0=+/|+.z and %/+.z is the tangent of α, i.e. _3&o.%/+.z is α itself. :) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
