Error function Calculator

Calculates the error function erf(x) and complementary error function erfc(x).

Error function
x
    1. real number

    Error function
    [1-10] /17Disp-Num
    BACK NEXT
    [1]  2019/05/12 06:36   Male / 20 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    checking an algorithm in python that computes erf(x) and it error using taylor series and lagrange error bound. got a difference of e-16 order.
    [2]  2017/09/23 12:11   Male / 40 years old level / An engineer / Useful /
    Purpose of use
    error investigastion
    Comment/Request
    What is this value "t" in this function.? I didn''t find any explanation anywhere
    [3]  2017/08/18 01:45   Male / 50 years old level / An engineer / Useful /
    Purpose of use
    For a side problem in nonlinear curve fitting. I didn''t feel like using Excel
    [4]  2016/05/19 13:56   Male / 20 years old level / High-school/ University/ Grad student / - /
    Purpose of use
    academic assignment
    Comment/Request
    huh, i was using this to check an assignment using a taylor series approximation and i think i found a misprint in my textbook's function when i checked it against this and another source's taylor series approximation
    [5]  2015/06/11 04:14   Female / 40 years old level / An engineer / Useful /
    Purpose of use
    I wanted to verify that I was using the Excel "erf.precision" function correctly, so I used this website to cross-check the Excel result.
    [6]  2015/06/02 18:10   Male / 20 years old level / An engineer / Very /
    Purpose of use
    Use to check my own error function calculator. Amassed to see almost the same results.
    Slight differences after 6 decimal, which i want to believe aren't a big deal.
    Comment/Request
    I would also want to know the exact formulas used.... especially for numbers greater than 5.
    [7]  2014/12/09 06:27   Female / 20 years old level / High-school/ University/ Grad student / Very /
    Comment/Request
    hello
    I want to ask about error function how I can find the error function if it was mulitiyplay by value like erf(tX)
    and thank you very much
    [8]  2014/10/14 10:49   Male / 20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    homework
    Comment/Request
    nice 10/10
    [9]  2014/05/18 09:32   Male / 60 years old level or over / An engineer / Very /
    Purpose of use
    Created a rational approximation method like the Abramowitz & Stegun with 13 terms which I think is good to 10**(-12). Checked it against brute force computations using power or asymptotic series. The brute force method, which is very fast by the way, (up to 600 terms) checked favorably with your computations. Could use a long table to verify the rational approximation accuracy.
    [10]  2014/03/12 03:40   Male / 20 years old level / An engineer / Very /
    Purpose of use
    working with distribution function

    BACK NEXT

    Thank you for your questionnaire.
    Sending completion

    Back

    To improve this 'Error function Calculator', please fill in questionnaire.
    Male or Female ?
    Age


    Occupation


    Useful?

    Purpose of use?
    Comment/Request (Click here to report a bug).Bug report (Click here to report questionnaire.)
    Calculation bug(Please enter information such as specific input values, calculation result, correct result, and reference materials (URL and documents).)
    Text bug(Please enter information such as wrong and correct texts)
    Your feedback and comments may be posted as customer voice.
    送信