Kód: 09815140
Excerpt from Asl: A Proposed Variant of Setl (Preliminary) When the Algorithm Specification course was first given in the spring term of 1971, Professor Schwartz asked the class for criticisms of SETL. Here, some two years late ... celý popis
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Excerpt from Asl: A Proposed Variant of Setl (Preliminary) When the Algorithm Specification course was first given in the spring term of 1971, Professor Schwartz asked the class for criticisms of SETL. Here, some two years later, is my response. I have tried to be as constructive as possible. Rather than simply say "this is wrong" and "that is wrong", I have tried to say "here is a better way to do it." There were a few things that struck me as "wrong" in SETL right from the beginning. This includes the SETL treatment of numbers, tuples, sets used as maps, and the meager I/O facilities. In considering how these facilities should be changed, I soon found myself contemplating changes to just about every data type, operator, statement type, and syntactic construction in the language. The criticism has snowballed into a complete respecification of SETL. In fact, since I am questioning every detail of SETL, I might as well question its name, too. Not that SETL is so bad a name, but it seems to me that it would be preferable for the name to reflect the true essence of the language. The essence of SETL is that it is an executable algorithm specification language. Since that is a bit too much, I suggest the name Algorithm Specification Language, or ASL. The fact that SETL and ASL achieve the objective of permitting a concise but humane specification of algorithms in part by using sets is merely incidental. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Zařazení knihy Knihy v angličtině Mathematics & science Mathematics Algebra
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