Modulo check - PowerPoint PPT Presentation

模檢數(modulo check)

模檢數(modulo check). 算法的一種用於檢查一個數字的有效性例子 15789 ，權數 ﹕{6,5,4,3,2} ，模數 ﹕7 1x6 ， 5x5 ， 7x4 ， 8x3 ， 9x2 6+25+28+24+18 = 101 101÷7 = 14……3 檢查數位 = 7( 模數 ) – 3( 餘數 ) = 4 結果 15789 4. 模檢數(modulo check). 234 ，權數 ﹕{4,3,2} ，模數 ﹕7 1237 ，權數 ﹕{5,4,3,2} ，模數 ﹕7 特別例子 ﹕239 ，權數 ﹕{4,3,2} ，模數 ﹕7

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185 views • 6 slides

模檢數(modulo check)

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202 views • 6 slides

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