6 a Water Closet Is a Simple, On-Off Feedback Control System Much Like That of Neurons
FORTH DIMENSIONS FROM CLEPSYDRAS TO NEURAL NETS - ROBERT GARIAN 6 A water closet is a simple, on-off feedback control system much like that of neurons. This code models the system underlying a flushing toilet, implementingthe logic with embedded computations as a set of produc tion rules, a natural style for building complex causal models. SOVIET FORTH-INFO - DAVID KIPPING I1 The author visited the Soviet Union as part of a multi-disciplinary delegation. One study site was Forth-Info, a co- , op specializing in Forth. Like much in the U.S.S.R., nothing about this "private" company is simple, like profiting in a country with no copyrights! ARRAYS IN FORTH - LEONARD MORGENSTERN 13 In Forth, it can be easier to invent something that exactly suits one's needs than to conform to a standard method. But beginners often ask, "Why doesn't Forth have arrays?" Learn the common methods of defining arrays, and then some! FORST: A 68000 NATIVE-CODE FORTH - JOHN REDMOND I6 The "late binding" of deferred words lends flexibility to compiled code, but involves run-time decisions. Where these I can take place at compile time, try ForST's configurable, new "vectored word." This is the last of a five-part series. FORML XII: FORTH IN INDUSTRY - NEIL BAWD 20 Regular as the tides but far less predictable, FORML-goers gathered again in Pacific Grove, California last fall. Many of the typically belief-challenging, concept-stretching,water-testing, and otherwise mind-bending technical discus- sions were also marked by an upbeat mood about Forth's performance in today's marketplace.
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