## Math Notation Help

This glossary will help you build complex mathematical equations using the Tex markup language. This will involve using @@ or $$before and after the expression to display the desired results.  All categories Categories All categories Not categorized 01 Getting started 02 Arithmetic expressions, sub-/superscripts, roots 03 Font Styles 04 Delimiters (parentheses, braces,...) 05 Spaces 06 Symbols 07 Relations 09 Structures Page: (Previous) 1 ... 5 6 7 8 9 10 ALL ### 06 SYMBOLS #### zeta (lower case greek letter)$$\zeta$$gives $\zeta$ ### 07 RELATIONS #### greater than$$x>y$$gives $x>y$  Keyword(s): >greater than #### greater than or equal$$x\ge~y$$or$$x\geq~y$$gives $x\ge~y$  Keyword(s): >= #### less than$$<$$gives $<$  Keyword(s): less than< #### less than or equal$$x\le~y$$or$$x\leq~y$$gives $x\le~y$  Keyword(s): <= #### not equal$$x\neq~y$$gives $x\neq~y$ note: \neg produces the logical negation, i.e.$$\neg~A$$gives $\neg~A$  Keyword(s): <> ### 09 STRUCTURES #### array • Syntax for an n-dimensional array: \begin{array}a1&...&an\end{array} • Ex.:$$$\begin{array}a_{\fs{0}1}\fs{3},&a_{\fs{0}2}\fs{3},&a_{\fs{0}3}\end{array}$$$gives $(\begin{array}a_{\fs{0}1}\fs{3},&a_{\fs{0}2}\fs{3},&a_{\fs{0}3}\end{array})$  Keyword(s): array, vector, matrix #### matrix • An (m,n)-matrix is considered as an array of m*n elements, where the elements of a column are separated by "&" and the rows by "\\". • Syntax for an (m,n)-matrix: \begin{array}{colformat}a11&...&a1n\\a21&...&a2n\\... \\am1&...&amn \end{array} where colformat defines the format of each of the n columns: l for left, r for right and c for center (hence {ccccc} defines for a (m,5)-matrix in which all columns are centered) • Ex.:$$\left(\begin{array}{lcr}a_{\tiny1}+d & a_{\tiny2}+d & a_{\tiny3}+d \\ b_{\tiny1}& b_{\tiny2}& b_{\tiny3} \\ c_{\tiny1} & c_{\tiny2} & c_{\tiny3} \end{array}\right) gives

$\left(\begin{array}{lcr}a_{\tiny1}+d & a_{\tiny2}+d & a_{\tiny3}+d \\ b_{\tiny1}& b_{\tiny2}& b_{\tiny3} \\ c_{\tiny1} & c_{\tiny2} & c_{\tiny3} \end{array}\right)$

Note in the example above that "lcr" has the effect that column 1 is left aligned, column 2 centered and colums 3 right aligned.

 Keyword(s): matrix, array

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