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Copyright ©2004-2016 ExcelBanter. The improvment in the inversion algorithm introduced in Excel 2003 means that GAMMAIN for Excel 2003 or later appears to give at least 6-figure accuracy, which may be adequate. All rights reserved. Syntax MINVERSE(array) The MINVERSE function syntax has the following arguments: ArrayÂ Â Â Â Required. Check This Out

Powered by vBulletin Version 4.2.3 Copyright © 2016 vBulletin Solutions, Inc. erf(x) = GammaDist(x^2,0.5,1,True) so erfinv(p) = Sqrt(GammInv(p,0.5,1)) erfc(x) = ChiDist(2*x^2,1) so erfcinv(p) = Sqrt(ChiInv(p,1)/2) The ChiDist function is much more accurate for large x than the ATP erfc function. I'm using Excel 2007, so Erf is a worksheet function. Just click the sign up button to choose a username and then you can ask your own questions on the forum.

Newer Than: Search this thread only Search this forum only Display results as threads Useful Searches Recent Posts More... Lewis external usenet poster Posts: 837 inverse error function You could avoid loss of precision for small erf values by using SQRT(inv_gamma(erf_value,0.5,1)) where inv_gamma is the highly accurate equivalent of Dana DeLouis View Public Profile View message headers Find all posts by Dana DeLouis Find all threads started by Dana DeLouis #4 July 21st 07, 03:49 AM posted to It is in Pascal and so should be very easy to port to vba.

If any cells **in Array are** empty or contain text, MINVERSE returns the #VALUE! Lewis Guest inverf(p) = SQRT(GAMMAINV(p,0.5,1)) inverfc(p) = -NormSInv(p/2)/Sqrt(2) Mathemetically exact, but not necessarily numerically good in versions prior to 2003. thm View Public Profile View message headers Find all posts by thm Find all threads started by thm Ads #2 January 2nd 10, 05:32 PM posted to microsoft.public.excel.worksheet.functions Dana Erfinv HTH :>) Dana DeLouis Dana DeLouis[_3_] View Public Profile View message headers Find all posts by Dana DeLouis[_3_] Find all threads started by Dana DeLouis[_3_] « Previous Thread | Next

Morten Guest H I need to use the inverse error function erf(x)=0.8 <=> x=inverf(0.8) <=> x=0,90469 Currently i am using the goal seeker, but i know that matlab has a erfinv Inverse Erfc Calculator SO basically i am a complete idiot where it comes to this but does this still work as i am trying to do it for some work i have to do inverse error function « Previous Thread | Next Thread » Thread Tools Display Modes #1 July 20th 07, 02:24 PM posted to microsoft.public.excel.worksheet.functions Wan external usenet poster Jerry fv wrote: > subject line says it all!

The time now is 11:34 PM. - Contact Us - ExcelBanter forum home - FAQ - Links - Privacy Statement - Top Powered by vBulletin Version 3.6.4Copyright ©2000 - 2016, Jelsoft Wolfram Alpha Some square matrices cannot be inverted and will return the #NUM! Copyright ©2004-2016 ExcelBanter. To start viewing messages, select the forum that you want to visit from the selection below.

Formula or Function? Password Site Map Home Register Authors List Today's Posts Search Web Partners Search Forums Show Threads Show Posts Advanced Search Go to Page... Erfcinv Excel If, however, you really need to compute the value of the invERF there is a small code (posted by JJ 05-18-06 09:20). Inverse Complementary Error Function The Minverse function is entered into cells F1-I4 of the spreadsheet.The formula can be seen in the formula bar of the result spreadsheet.

THM, Jan 1, 2010, in forum: Microsoft Excel Worksheet Functions Replies: 1 Views: 2,236 Dana DeLouis Jan 2, 2010 Loading... his comment is here However, in Excel 2010, the function algorithm has been improved, so that it can now calculate the function for both positive and negative ranges.Erf Function ExamplesIn the following spreadsheet, the Excel Share Share this post on Digg Del.icio.us Technorati Twitter Reply With Quote Nov 17th, 2006,02:40 PM #5 Norie Board Regular Join Date Apr 2004 Location Stirling Posts 70,422 Pete A 'sqrt' Please join our friendly community by clicking the button below - it only takes a few seconds and is totally free. Erf Function Excel

Forgot to remove Worksheetfunction. If the formula is not entered as an array formula, a single result (0) is returned in C5. 0 0.5 -1 2 Example 2 Copy the example data in the following Yes No Great! http://toriisoft.com/error-function/inverse-error-function-in-excel.html saved **in PDF-format?**

If x is the mean and y is the std dev I know that CI=(x-ny,x+ny), where n=sqrt(2)*inverseERF(CI). Remarks Array can be given as a cell range, such as A1:C3; as an array constant, such as {1,2,3;4,5,6;7,8,9}; or as a name for either of these. Daniel Soper.

Register Privacy Policy Terms and Rules Help Popular Sections Tech Support Forums Articles Archives Connect With Us Twitter Log-in Register Contact Us Forum software by XenForo™ ©2010-2016 XenForo Ltd. The inverse error function is also known as the Gauss inverse error function.Please enter the necessary parameter values, and then click 'Calculate'. If this is your first visit, be sure to check out the FAQ by clicking the link above. If you need to, you can adjust the column widths to see all the data.

Author Name Remember Me? i was able to recode the pascal invERF function into vba. All rights reserved. navigate here Sorry to come so late to the party, but Google's indexing of newsgroups was down for nearly half a month, so I just stumbled onto this thread.

if not - does anybody know about som java-coding that can do it Best regard morten Morten, Apr 1, 2004 #1 Advertisements Jerry W. Lewis, Apr 2, 2004 #2 Advertisements Morten Guest Thats works perfect... The following table shows the inverse of the matrix A1:B2. Copyright © 2006 - 2016 by Dr.

Lewis View Public Profile View message headers Find all posts by Jerry W. Please join our friendly community by clicking the button below - it only takes a few seconds and is totally free. i.e. For formulas to show results, select them, press F2, and then press Enter.

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