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Plot of Weierstrass function over the interval [ − 2, 2]. Like some other fractals , the function exhibits self-similarity : every zoom (red circle) is similar to the global plot.
A tulip, known as "the Viceroy" ( viseroij ), displayed in the 1637 Dutch catalogue Verzameling van een Meenigte Tulipaanen ("Collection of a Crowd of Tulips"). Its bulb was offered for sale for between 3,000 and 4,200 guilders (florins)…