<em>P-026f (inversion logique)</em>
Manfred Mohr
P-026f (inversion logique), 1969

Plotter drawing ink on paper
22 x 18 in / 56 x 46 cm

About the algorithm:
The elements are horizontal, vertical, 45 degree lines, square waves, zig-zags, and probabilities for line widths and lengths. For each position in a matrix (left to right, top to bottom), the algorithm randomly chooses a new element from the alphabet to add to the existing elements. When the middle position is reached, an element is subtracted from the composite sign in the order in which it was added. Thus the last position in the grid shows the last element added.
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