Math & Science ⇒ too wide matrix

[Doni Anggara]

i have 4x4 matrix which is very wide. This matrix is wider than the text's margin. i want to make the next column (coloumn 3 and 4) lies below the preceding coloum (coloumn 1 and 2). Please tell me how to do that! I just simply using vmatrix environment. Sorry for my english and thank you.

[kaiserkarl13]

That's not how that works. You can manually break the lines, but you have to keep track of it yourself. My suggestions: (1) change the margins, (2) change the text size, (3) change the size locally, just for that equation, or (4) define a new symbol, such as \mu_1 \equiv \cos\phi_1.

[Doni Anggara]

Thanks for your answer. I would like to try break the lines manually.