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KaTeX's array environment doesn't support *

See original GitHub issue

in mathjax it renders , but in katex it shows ( KaTeX parse error: Unknown column alignment: * at position 50: …{\begin{array}{*̲{20}{c}} {\frac…)

f\left( x \right)\, = \,\,\left\{ {\begin{array}{*{20}{c}} {\frac{{ - \sin \,\left\{ {\cos \,x} \right\}}}{{x - \pi /2}}}&{x\, \ne \,\frac{\pi }{2}} \\ 2&{x\, = \,\frac{\pi }{2}} \end{array}\,,} \right

Issue Analytics

State:
Created 5 years ago
Comments:6 (4 by maintainers)

Top GitHub Comments

1reaction

edemainecommented, Oct 13, 2018

\right needs an argument. \right. matches a `\left’ but without drawing anything.

0reactions

kevinbarabashcommented, Oct 13, 2018

What does the period do?

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