bugAxiom Computer Algebra System - Bugs: bug #6863, The normal distribution should be...

 
 

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bug #6863: The normal distribution should be numerically invertable

Submitted by:  David MentrĂ© <dmentre>
Submitted on:  Sat 29 Nov 2003 05:48:22 PM UTC  
 
Category:  interpreter Severity:  3 - Normal
Item Group:  code bug Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  Stefan Dirnstorfer Open/Closed:  Open
Release:  October 31st binary release Reproducibility:  Every Time
Fixed Release: 
Error message: 

>> Error detected within library code:
Can only compute the numerical value of a constant, real-valued Expression

Example of code trigerring the bug: 

numeric(erf(0.1))

Internal cause: 

Sat 29 Nov 2003 05:48:22 PM UTC, original submission:

According to a list of features I found on the net, the normal distribution should be numerically invertable. So why does this not work?

(3) -> numeric(erf(0.0))

(3) 0.0
Type:
Float
(4) -> numeric(erf(0.1))

>> Error detected within library code:
Can only compute the numerical value of a constant, real-valued
Expression

protected-symbol-warn called with (NIL)
(4) ->

David Mentré <dmentre>
Project Administrator

 

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Follows 1 latest change.

Date Changed by Updated Field Previous Value => Replaced by
2003-11-29 dmentre ReproducibilityNone => Every Time

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