doc/mymath.sty

   1 \ProvidesPackage{mymath}
   2
   3 \usepackage{euler}
   4 \usepackage{amssymb}
   5 \usepackage{amsmath}
   6 \usepackage{bbm}
   7
   8 \newcommand{\matTT}[9]{
   9 \[
  10 \left|\begin{array}{ccc}
  11  #1 & #2 & #3\\
  12  #4 & #5 & #6\\
  13  #7 & #8 & #9
  14 \end{array}\right|
  15 \]
  16 }
  17
  18 \newcommand{\fork}[4]{
  19   \left\{
  20   \begin{array}{l l}
  21   #1 & \mbox{#2}\\
  22   #3 & \mbox{#4}\\
  23   \end{array} \right.}
  24 \newcommand{\forkthree}[6]{
  25   \left\{
  26   \begin{array}{l l}
  27   #1 & \mbox{#2}\\
  28   #3 & \mbox{#4}\\
  29   #5 & \mbox{#6}\\
  30   \end{array} \right.}
  31 \newcommand{\forkthree}[8]{
  32   \left\{
  33   \begin{array}{l l}
  34   #1 & \mbox{#2}\\
  35   #3 & \mbox{#4}\\
  36   #5 & \mbox{#6}\\
  37   #7 & \mbox{#8}\\
  38   \end{array} \right.}
  39 \newcommand{\vecthree}[3]{
  40 \begin{bmatrix}
  41  #1\\
  42  #2\\
  43  #3
  44 \end{bmatrix}
  45 }
  46
  47 \newcommand{\vecthreethree}[9]{
  48 \begin{bmatrix}
  49  #1 & #2 & #3\\
  50  #4 & #5 & #6\\
  51  #7 & #8 & #9
  52 \end{bmatrix}
  53 }