Pepe, Yes, I get no error with the script using jQt, so I can explore more. Your descriptions of the graphs helped me a great deal. Now maybe I can explore better. Thank you very much for your clear explanations.
[snip] > I do not recall modifying Andrew's script in any way (apart from using just > a portion). Perhaps, other members can verify whether it works, or does > not, on Linux and Windows. > > Incidentally, the first graph "z, identity" (]) illustrates how the domain > coloring technique displays the complex plane (the straight lines are the > isophase lines (separating eight shades of the colors of the spectrum, from > red to violet, in the usual anticlockwise phase/angle order); the > circumferences are the isomagnitude lines. Together, the isomagnitude and > isophase lines, form a mesh similar to a spider web. > > This graph can be used as a key when trying to interpret the domain > coloring of other complex functions; for example, Andrew's second graph > "Exponent" (^) can be thought of as transforming the spider web coloring of > the complex plane into a quadrangular mesh: the horizontal lines must be > the isophase lines (because they separate (eight) shades of the spectrum); > consequently the vertical lines must be the iso magnitude lines (and they > are evenly spaced because, > > NB. Magnitude blocks are logarithmic and have light gradient toward > NB. increase. > > ). (It is interesting to note that the transformed isomagnitude and > isophase lines are still perpendicular at their intersections.) > > The ccEnhPhGray graphs also use shading intensity to convey information > about the image of a complex function; for example, the neibourhood around > the pole (in the center) of Andrew's second ccEnhPhGray graph looks > different from the zeros. > > I hope that you can be able to run eventually Andrew's script without any > errors and these hints can help you when your spouse is not around. > > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
