Math Notation Help

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Math Help

I read over the glossary.

-ctd

math spaces

List of predefined spaces:

Math Spaces
Command	Example	Result
\, (smallest predefined)	$$$a\,b$$$	$$a\,b$$
\: (second smallest predefined)	$$$a\:b$$$	$$a\:b$$
\; (third smallest predefined)	$$$a\;b$$$	$$a\;b$$
\/ (avoiding ligatures)	$$$V\/A$$$ instead of $$$VA$$$	$$V\/A$$ instead of $$VA$$
\quad (space of current character set size)	$$$a\quad~b$$$	$$a\quad~b$$
\qquad (double space of current character set size)	$$$a\qquad~b$$$	$$a\qquad~b$$
\_ (where _ is blank!)	$$$a\ b$$$ (whereas $$$a\b$$$ is not a valid filter expression since the blank space is missing; it is recommended to use the tilde ~ instead of the simple whitespace)	$$a\ b$$
\hspace{n} ,where n positive integer (= n Pixels)	$$$a~\hspace{30}~b$$$ $$$a~\hspace{15}~b$$$ $$$a~\hspace{2}~b$$$ $$$a~\hspace{1}~b$$$	$$a~\hspace{30}~b$$ $$a~\hspace{15}~b$$ $$a~\hspace{2}~b$$ $$a~\hspace{1}~b$$
\unitlength{m}\hspace{n}, changes the default unit length (m=1px) to be applied	$$$a~\hspace{2}~b\unitlength{10}~\hspace{2}~c$$$ (second space is 10x2=20px)	$$a~\hspace{2}~b\unitlength{10}~\hspace{2}~c$$

Note: Simple blank spaces and tildes (~) are ignored by the TeX filter and don't produce any space. You must use one of the defined math spaces to get a visible (extra) space.

Keyword(s):

mathematics expression

A valid expression inside the $'s is rendered as mathematics in an inserted gif image.
Ex.: $$$x=y^2$$$ creates

$$x=y^2$$

Keyword(s):

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}{<em>colformat}a₁₁&...&a_1n\\a₂₁&...&a_2n\\... \\a_m1&...&a_mn\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):

minus

$$$-$$$ is $$-$$

Keyword(s):

minus plus

$$$\mp~a$$$ gives $$\mp~a$$

mu (lower case greek letter)

$$$\mu$$$ gives $$\mu$$

multiplication

$$$x*y=z$$$ is $$x*y=z$$

Keyword(s):

multiplication (with cdot)

$$$a\cdot~b$$$ gives $$a\cdot~b$$

Keyword(s):