# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content

:algebre lineaire,
matrice, determinant, trace, trace de matrice, matrice trace,
inverse de matrice, matrice inverse, polynome caracteristique

:datatype, matrix

:,Calculer

:
 $submit1
 <select name="operation">
 <option value="Déterminant,linalg/det">le déterminant</option>
 <option value="Rang,linalg/rank">le rang</option>
 <option value="Matrice Inverse,linalg/inverse">la matrice Inverse</option>
 <option value="Polynôme caractéristique,linalg/charpoly">le polynôme caractéristique</option>
</select>
  de
<textarea name="formula" rows="4" cols="30">
1, 2, 3, 4
2, 3, 4, 1
3, 4, 1, 2
4, 1, 2, 3
</textarea>
