How can I multiply strings numbers ?

조회 수: 2 (최근 30일)
Nicolas
Nicolas 2013년 11월 23일
댓글: Walter Roberson 2013년 11월 24일
Hi,
I have to calculate huge factorials, and I'm losing precision when my numbers get bigger than the epsilon machine number (around 2^16 in matlab I think). I've been told the only way would be to work with strings but it gets complicated since it's the ASCII codes that are being multiplicated with strings. Any ideas ?
  댓글 수: 2
dpb
dpb 2013년 11월 23일
Look at John D'Errico's extended precision class on FEX...
http://www.mathworks.com/matlabcentral/fileexchange/36534-hpf-a-big-decimal-class
There just might be a specific tool for large factorials I didn't search, just recalled John's submission...
Walter Roberson
Walter Roberson 2013년 11월 24일
See the Symbolic Toolbox if you have it.

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