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\left and \right are delimiter counterparts and TeX primitives, to be used with so-called "extensible delimiters" in math mode within the same group. This implies two things: If you use one, you have to use the other as well; and; They have to be opened/closed at and within the same group level depth. Common or typical uses include \left ...
The \left and \right constructs can not cross line, or alignment points. If there is a need to open a \left on one line and close it on a subsequent line, then the first line needs to have a \right. before the end of the line, and the next line needs to have a \left. before the closing \right construct. Hence the \left, \right are
The source code should be left intact, but LaTeX should interpret every pair of brackets as if they were preceded by such commands. This is because adding \left and \right commands is time consuming and makes source code longer and less readable. I considered defining new commands such as \lb and \rb for \left( and \right), but it doesn't seem ...
The left and right wings differ on many things, but most importantly on the role of the state: Left wing = believes the government should play an active role in regulating the economy and providing welfare (NHS, benefits). Right wing = support a smaller state, with a greater role for the free market and business.
Any \left needs a matching \right. Some characters produce different glyphs when being applied to \left etc. For example, < produces a less-than sign, while \left< produces an angle bracket. \big etc. use the same interpretation as \left (because they use \left internally). Technically, \left uses the delimiter code, while unadorned characters ...
Alternatively, X would left-align and Y right-align. You can use p{1.5cm} or so to have a specific column stretch to a predefined size. As long as you use any of X, Y, Z together with it, the table will stretch to the width of your text margin.
To remove this spurious spacing, one has to manually insert opening and closing atoms in the formula. Specifically, $\cos(\theta) $ and $\cos\mathopen{}\left(\theta\right)\mathclose{}$ render exactly the same. However, inserting it does make your formulas ugly. So a good solution would be to just redefine \left and \right: \let\originalleft\left.
Apr 27, 2014 · Note that the second expression not only employs \biggl( and \biggr) but also uses a positive thinspace after the opening parenthesis and a negative thinspace to position the exponent 2. Incidentally, the recommendation to use \biggl( and \biggr) in this case instead of \left( and \right) isn't just my personal preference; it's also given on p ...
I have a very long equation that must be separated into two lines, and it has several pairs of nesting \\left \\right delimiters. Unfortunately, it seems that they need to be on the same line in orde...
Jun 30, 2016 · \leftindex^{<left superscript>}_{<left subscript>} {<symbol>} This measures the negative indentation of the right subscript and indents the left superscript by the same value. This works well for most symbols, with a few exceptions, such as A and L (and P and \Gamma in some fonts other than Computer Modern).
