Engineers and educators find in computer simulations a powerful substitute for inability of calculus to produce closed form solutions to modern problems. But the validity of quasi-closed-form solutions produced by com...
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Engineers and educators find in computer simulations a powerful substitute for inability of calculus to produce closed form solutions to modern problems. But the validity of quasi-closed-form solutions produced by computers remains suspect. While no magic test exists, pieces of algorithms can individually be examined by the Z-transform [E. I. Jury, Sampled-data control systems, John Wiley & Sons, 1958]. Two examples from engineering and three from education are presented. (C) 2010 Wiley Periodicals, Inc. Comput Appl Eng Educ 21: 7588, 2013
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