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I tried to make numerical integration of function for continuous (7.nb) and discrete times (9.nb). I have the following questions concerning discrete  time: 1.  with  logarithmic scale values of time more than 4?? are not shown, but I need to get...
Thank for the answer. I coudn`t get this result: http://zalil.ru/34738494/22628804.52420840/1.nb Can you download your file?