# Changes

## Calculus:Error log

, 16:07, 2 April 2012
no edit summary
! Page !! Error description !! Version where it was introduced !! Version where it was corrected !! Why error? Why not caught? ("I" refers to [[User:Vipul|Vipul]])
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| [[product rule for partial differentiation]] || no single major errordirectional derivative instead of gradient at one place, but and a bunch of minor typos, missing open parenthesis, use of $\cdot$ for function product at one place (might confuse with dot product), and extraneous statements like "let $\overline{u}$ be a unit vector" in definition components where no unit vector was needed. || || [http://calculus.subwiki.org/w/index.php?title=Product_rule_for_partial_differentiation&oldid=1040 1059 April 1, 2012] || didn't revisit page often enough
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| [[partial derivative]] || Had "x" in place of "y" in one of the derivative descriptions/definitions. || [http://calculus.subwiki.org/w/index.php?title=Partial_derivative&direction=prev&oldid=721 December 17, 2011] || [http://calculus.subwiki.org/w/index.php?title=Partial_derivative&oldid=1009 April 1, 2012] || Didn't revisit page often enough
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