Yes. This exactly. Oh. sadly sympy doesn't support :'( On Thursday, 17 November 2022 at 20:30:51 UTC+7 [email protected] wrote:
> An alternative interpretation of your question is that you are asking if > sympy is aware of the rules for propagating significant digits through > calculations? The answer is no. You have to apply the rules yourself to > decide appropriate rounding. > > Additional alternatives: 1) set up interval arithmetic to get a more > precise version of the significant figures rules; 2) do full error > propagation to determine uncertainties in your computations. > > Jonathan > > On Thursday, November 17, 2022 at 4:04:20 AM UTC-6 Oscar wrote: > >> The ordinary Python round function can do this: >> https://docs.python.org/3/library/functions.html#round >> >> >> On Thu, 17 Nov 2022 at 09:46, Peter Stahlecker <[email protected]> >> wrote: >> >>> you might want to check floating point numbers in the sympy >>> documentation. >>> >>> Am Do., 17. Nov. 2022 um 10:18 Uhr schrieb 'XR-7 RKE' via sympy < >>> [email protected]>: >>> >>>> Hey guys, >>>> >>>> Does sympy support round a number to significant figures? >>>> >>>> [image: SCR-20221117-m64.png] >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "sympy" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/sympy/4f5ae36a-60fb-429b-8f7a-e00e5637853fn%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/sympy/4f5ae36a-60fb-429b-8f7a-e00e5637853fn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "sympy" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sympy/CABKqA0ZhnozwJfww-y8Q7u%3DwiTHgdZGouwc5Kmi4obj8ZwJ4Ww%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/sympy/CABKqA0ZhnozwJfww-y8Q7u%3DwiTHgdZGouwc5Kmi4obj8ZwJ4Ww%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/b6d42512-d729-4d18-9aa1-540eb5a91d8cn%40googlegroups.com.
