doc/linexpr.rst

   1 Linear Expression Module
   2 ========================
   3
   4 This class implements linear expressions.
   5
   6     .. py:method:: coefficient(self, symbol)
   7
   8         Return the coefficient value of the given symbol.
   9
  10     .. py:method:: coefficients(self)
  11
  12         Return a list of the coefficients of an expression
  13
  14     .. py:method:: constant(self)
  15
  16         Return the constant value of an expression.
  17
  18     .. py:method:: symbols(self)
  19
  20         Return a list of symbols in an expression.
  21
  22     .. py:method:: dimension(self)
  23
  24         Return the number of vriables in an expression.
  25
  26     .. py:method:: __sub__(self, other)
  27
  28         Return the difference between two expressions.
  29
  30     .. py:method:: subs(self, symbol, expression=None)
  31
  32         Subsitute the given value into an expression and return the resulting expression.
  33
  34     .. py:method:: fromsympy(self)
  35
  36         Convert sympy object to an expression.
  37
  38     .. py:method:: tosympy(self)
  39
  40         Return an expression as a sympy object.
  41
  42 .. py:class:: Dummy(Symbol)
  43
  44 This class returns a dummy symbol to ensure that each no variables are repeated in an expression