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  1. Moodle
  2. MDL-45067

Matrix and other default expressions in new Atto equation editor

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    • MOODLE_27_STABLE

    Description

      With Atto text editor and equation editor enabled (using MathJax filter)

      Select the Equation editor Advanced tab, The matrix (last) button does not display properly and inserts:

      \left| \begin

      {matrix} a_1 & a_2 \ a_3 & a_4 \end{matrix}

      \right|

      rather than:

      \left| \begin

      {matrix} a_1 & a_2 \ \ a_3 & a_4 \end{matrix}

      \right|

      Needs to be fixed in the settings,php file where the \ \ denoting the matrix new line needs to be \\\\. Presumably an escaping issue.

      Also, consider adding a few more useful default expressions.

      Full set of Greek Symbols

      \alpha
      \beta
      \gamma
      \delta
      \epsilon
      \zeta
      \eta
      \theta
      \iota
      \kappa
      \lambda
      \mu
      \nu
      \xi
      \omicron
      \pi
      \rho
      \sigma
      \tau
      \upsilon
      \phi
      \chi
      \psi
      \omega

      {\rm A} {\rm B}

      \Gamma
      \Delta

      {\rm E} {\rm Z} {\rm H}

      \Theta

      {\rm I} {\rm K}

      \Lambda

      {\rm M} {\rm N}

      \Xi

      {\rm O}

      \Pi

      {\rm P}

      \Sigma

      {\rm T}

      \Upsilon
      \Phi

      {\rm X}

      \Psi
      \Omega

      Some additional Advanced expressions

      \frac

      {a}{b}
      a_b
      a^b
      a_b^c
      \sqrt{a}

      \sqrt[n]

      {a}
      \log
      \log_{10}
      \log_e
      \ln
      e^x
      \cos
      \sin
      \tan
      \left(a\right)
      \left[a\right]
      \left{a\right}
      \left|a\right|
      \overline{a}

      \underline

      {a}

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              Unassigned Unassigned
              growland Geoffrey Rowland
              Andrew Lyons, Huong Nguyen, Jun Pataleta, Michael Hawkins, Shamim Rezaie, Simey Lameze
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              Dates

                Created:
                Updated:
                Resolved: