P-59, "n+ 3Hz", plotter drawing ink on paper, 50cm x 50cm, 1970

© 1970 by Manfred Mohr

Two sets of inversed modulated sine curves are linearly transformed to the zero line. To form a modulated sine curve, points are randomly chosen within imposed limits of the outline of a sine curve and then interpolated into a curve by 3rd degree spline functions.

Catalog Manfred Mohr, "Computer Graphics, Une esthétique programée", ARC - Musée d'Art Moderne, Paris, 1971 (catalog and show)