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We have just started logging errors. On this page, you will find information about all errors that persisted on the site for more than one month on any page. Note: This applies only to errors that were not fixed by December 18, 2011. Errors fixed before then are not being logged on this page.
|Page||Error description||Version where it was introduced||Version where it was corrected||Why error? Why not caught? ("I" refers to Vipul)|
|product rule for partial differentiation||no single major error, but a bunch of minor typos, missing open parenthesis, use of for function product at one place (might confuse with dot product), and extraneous statements like "let be a unit vector" in definition components where no unit vector was needed.||[Meaning of partial derivative depends on entire coordinate system April 1, 2012]||didn't revisit page often enough|
|partial derivative||Had "x" in place of "y" in one of the derivative descriptions/definitions.||December 17, 2011||April 1, 2012||Didn't revisit page often enough|