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I want to left align a block of equations. The equations in the block itself are aligned, but that's not related at all to my question! I want to left align the equations rather than have them centered all the time, because it looks dumb with narrow centered equations.
Example, I want to left align this
\begin{align*} |\vec a| &= \sqrt{3^{2}+1^{2}} = \sqrt{10} \\ |\vec b| &= \sqrt{1^{2}+23^{2}} = \sqrt{530} \\ \cos v &= \frac{26}{\sqrt{10} \cdot \sqrt{530}} \\ v &= \cos^{-1} \left(\frac{26}{\sqrt{10} \cdot \sqrt{530}}\right) \\ v &= \uuline{69.08...\degree} \end{align*} but also this
\begin{align*} f(x) = -1.25x^{2} + 1.5x \end{align*} How is this done? If it's even possible.
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To produce left-aligned formulas, a column separator & must be put before the line break \\; in other cases, the formulas will be aligned in the center as in the rest of the environments that we will show.
The fleqn option in the document class will apply left aligning setting in all equations of the document. You can instead use \begin{flalign} . This will align only the desired equations.
For equations longer than a line use the multline environment. Insert a double backslash to set a point for the equation to be broken. The first part will be aligned to the left and the second part will be displayed in the next line and aligned to the right.
To align an equation, click on the equation to select it, and then click on the appropriate alignment button. You can also right click on the equation in Word and choose Format Object to control somewhat how the equation works with the text (from the Layout tab).
Try to use the fleqn document class option.
\documentclass[fleqn]{article} (See also http://en.wikibooks.org/wiki/LaTeX/Basics for a list of other options.)
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