Differentiation issue

[GoogleCodeExporter]

What steps will reproduce the problem?
1.How to differentiate numeric log expression in symja?
2.Do you support like this equation [log(base10)[x]] and [log(base a)[x]]
3.

What is the expected output? What do you see instead?
refer: 
http://www.mathportal.org/calculus/differentiation/derivatives-formulas.php

What version of the product are you using? On what operating system?
Online Symja

Please provide any additional information below.

Original issue reported on code.google.com by umarfaro...@gmail.com on 1 Aug 2013 at 9:37

[GoogleCodeExporter]

I committed these changes:
https://bitbucket.org/axelclk/symja_android_library/commits/3d068a409ae284e3af83
ee2bffdf987c2b7a4b94

With D(Log(a, x),x) you can differentiate Log expressions with base a

Original comment by axelclk@gmail.com on 1 Aug 2013 at 9:48

• Changed state: Accepted

[GoogleCodeExporter]

Original comment by axelclk@gmail.com on 1 Aug 2013 at 9:49

• Added labels: Type-Enhancement
• Removed labels: Type-Defect