Error Function Erf Calculator
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the error function is a special function (non-elementary) of sigmoid shape which occurs in probability, statistics and partial normal distribution erf differential equations. It is also called the Gauss error function or probability integral. The error function is defined as: Error Function Table The following is the error function and complementary error function table that shows the values of erf(x) and erfc(x) for x ranging from 0 to 3.5 with increment of 0.01. xerf(x)erfc(x)0.00.01.00.010.0112834160.9887165840.020.0225645750.9774354250.030.0338412220.9661587780.040.0451111060.9548888940.050.0563719780.9436280220.060.0676215940.9323784060.070.078857720.921142280.080.0900781260.9099218740.090.1012805940.8987194060.10.1124629160.8875370840.110.1236228960.8763771040.120.1347583520.8652416480.130.1458671150.8541328850.140.1569470330.8430529670.150.1679959710.8320040290.160.1790118130.8209881870.170.1899924610.8100075390.180.2009358390.7990641610.190.2118398920.7881601080.20.2227025890.7772974110.210.2335219230.7664780770.220.2442959120.7557040880.230.25502260.74497740.240.2657000590.7342999410.250.276326390.723673610.260.2868997230.7131002770.270.2974182190.7025817810.280.3078800680.6921199320.290.3182834960.6817165040.30.3286267590.6713732410.310.338908150.661091850.320.3491259950.6508740050.330.3592786550.6407213450.340.3693645290.6306354710.350.3793820540.6206179460.360.3893297010.6106702990.370.3992059840.6007940160.380.4090094530.5909905470.390.41873870.58126130.40.4283923550.5716076450.410.437969090.562030910.420.4474676180.5525323820.430.4568866950.5431133050.440.4662251150.5337748850.450.475481720.524518280.460.484655390.515344610.470.4937450510.5062549490.480.5027496710.4972503290.490.5116682610.4883317390.50.5204998780.4795001220.510.529243620.470756380.520.537898630.462101370.530.5464640970.4535359030.540.554939250.445060750.550.5633233660.4366766340.560.5716157640.4283842360.570.5798158060.4201841940.580.58792290.41207710.590.5959364970.4040635030.60.6038560910.3961439090.610.6116812190.3883187810.620.6194114620.3805885380.630.6270464430.3729535
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Gaussian Erf
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Page setup Print Properties Exit Edit menu Undo Cut Copy Paste Delete Select all Find Find & replace Go to cell Fill Insert http://www.miniwebtool.com/error-function-calculator/ - Remove Transpose View menu Spreadsheet Show formulas Show gridlines Contents bar Toolbars Status bar Full screen Format menu Font Increase font size Decrease font size Spreadsheet Format graph Graph legend Reset graph titles and options Tools menu Sort rows Exclude & Include Fill column Stack columns Generate https://www.medcalc.org/manual/erf_function.php random sample Create groups Create groups form quantiles Create random groups Create user-defined groups Rank cases Percentile ranks z-scores Power transformation Edit variables list Edit filters list Select variable for case identification Enter key moves cell pointer Options Statistics menu Summary statistics Outlier detection Distribution plots Histogram Cumulative frequency distribution Normal plot Dot plot Box-and-whisker plot Correlation Correlation coefficient Partial correlation Rank correlation Scatter diagram Regression Regression Scatter diagram & regression line Multiple regression Logistic regression Probit regression (Dose-Response analysis) Nonlinear regression T-tests One sample t-test Independent samples t-test Paired samples t-test Rank sum tests Signed rank sum test (one sample) Mann-Whitney test (independent samples) Wilcoxon test (paired samples) Variance ratio test (F-test) ANOVA One-way analysis of variance Two-way analysis of variance Analysis of covariance Repeated measures analysis of variance Kruskal-Wallis test Friedman test Crosstabs Chi-squared test Fisher's exact
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this http://math.stackexchange.com/questions/97/how-to-accurately-calculate-the-error-function-erfx-with-a-computer site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Mathematics Questions Tags Users Badges Unanswered Ask Question _ Mathematics https://www.youtube.com/watch?v=PBSFXukqztU Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Join them; it only takes a minute: Sign up Here's how error function it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How to accurately calculate the error function erf(x) with a computer? up vote 9 down vote favorite 2 I am looking for an accurate algorithm to calculate the error function I have tried using [this formula] (http://stackoverflow.com/a/457805) (Handbook of Mathematical Functions, formula error function erf 7.1.26), but the results are not accurate enough for the application. statistics algorithms numerical-methods special-functions share|cite|improve this question edited Jan 10 '14 at 4:47 pnuts 1056 asked Jul 20 '10 at 20:20 badp 6741225 You may want to take a look at python's code.google.com/p/mpmath or other libraries that advertise a "multiple precision" feature. Also, this may be a better question for stack overflow instead, since it's more of a computer science thing. –Jon Bringhurst Jul 20 '10 at 20:26 @Jon: Nope, I'm not interested in a library, there is no such library for the language I'm writing in (yet). I need the mathematical algorithm. –badp Jul 20 '10 at 20:49 Have you tried numerical integration? Gaussian Quadrature is an accurate technique –Digital Gal Aug 28 '10 at 1:25 GQ is nice, but with (a number of) efficient methods for computing $\mathrm{erf}$ already known, I don't see the point. –J. M. Aug 29 '10 at 23:07 add a comment| 4 Answers 4 active oldest votes up vote 9 down vote accepted I am assuming that you need the e
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