# Problem with matrix dots

Why do I have the following problem? I've tried \cdots.

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Please, post a minimal working example (MWE)... – Herr K. Nov 27 '13 at 23:05
@Jossie Your actual problem isn't clear though; for all we know, you could have wanted vertical dots, dots that slanted, any number of things. Next time, you really need to be specific about the problem you're having. – Sean Allred Nov 27 '13 at 23:17
Sorry @Sean. I'll keep that in mind; I however wonder if that is a red herring in regards to this problem...:) – Jossie Nov 27 '13 at 23:17

Your issue is you haven't defined all the columns you want in the tabular environment. \begin{tabular}{ccc} only defines a table with 3 columns; add another c.