Hi,(adsbygoogle = window.adsbygoogle || []).push({});

I'm quite new to Mathematica, and I've been trying to use it to solve some PDE's numerically, and I eventually end up with a really large matrix I have to find the solution for. I was think the calculation would go by faster if I could take the precision of the numbers down. I think its using double and I want it to be floating pt numbers.

I guess by precision I mean the number of digits, after the decimal point. So maybe I mean to say accuracy. In any case, is there a way that I can tell mathematica to only use lets say 5 digits after the decimal point?

I've already read some of the documentation, about using $MaxPrecision, and WorkingPrecision, but it doesn't seem like there is a global way to set the precision. Is there? Can I just say "I want precision 5" somehow and set that for the whole notebook?

Thanks in advanced.

**Physics Forums - The Fusion of Science and Community**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Mathematica setting double vs. float

Loading...

Similar Threads - Mathematica setting double | Date |
---|---|

Plotting A Set of Points in Mathematica | Jun 28, 2015 |

Mathematica to FindFit for multiple data set | Mar 5, 2013 |

Mathematica - Set zero offset for Frame origin? | Mar 24, 2012 |

Mathematica setting variable to be real number | Dec 23, 2011 |

Mathematica: Need help to solve this pde set | Dec 6, 2011 |

**Physics Forums - The Fusion of Science and Community**