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How to force MATLAb to use 32bit floating-point numbers in a script?

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Mr M.
Mr M. 2018 年 4 月 17 日
コメント済み: dpb 2018 年 4 月 17 日
Is it possible to use 32bit precision thru a script or part of the script without editing the whole code?
  2 件のコメント
John D'Errico
John D'Errico 2018 年 4 月 17 日
No. You cannot simply tell MATLAB to change precision from outside the code.
dpb
dpb 2018 年 4 月 17 日
On top of which, you can't define a default precision for a script within a script or function file; you can only cast to a given precision on assignment and then ensure all variables in all related calculations are also of same class or follow other strict rules to avoid results being default doubles.

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回答 (1 件)

Walter Roberson
Walter Roberson 2018 年 4 月 17 日
編集済み: dpb 2018 年 4 月 17 日
  1 件のコメント
dpb
dpb 2018 年 4 月 17 日
Doesn't it only control the rounding mode? I couldn't demonstrate to my satisfaction that it actually did anything discernible in R2016b here; seems like in times gone by one could see the effect but I've forgotten the details of how/what did those many years ago...
I'm presuming the OP wants to actually have everything only take up single precision in memory as well???

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