Expression

class gamspy._algebra.expression.Expression(left: OperandType, data: str | MathOp | ExtrinsicFunction, right: OperandType)

Bases: Operable

Expression of two operands and an operation.

Parameters:

left: str | int | float | Parameter | Variable | None

Left operand

data: str

Operation

right: str | int | float | Parameter | Variable | None

Right operand

Methods

gamsRepr()	Representation of this Expression in GAMS language.
getDeclaration()	Declaration of the Expression in GAMS
latexRepr()	Representation of this Expression in Latex.

Examples

>>> import gamspy as gp
>>> m = gp.Container()
>>> a = gp.Parameter(m, name="a")
>>> b = gp.Parameter(m, name="b")
>>> expression = a * b
>>> expression.gamsRepr()
'(a * b)'

latexRepr() → str

Representation of this Expression in Latex.

Returns:

str

gamsRepr() → str

Representation of this Expression in GAMS language.

Returns:

str

Examples

>>> import gamspy as gp
>>> m = gp.Container()
>>> a = gp.Parameter(m, name="a")
>>> b = gp.Parameter(m, name="b")
>>> expression = a * b
>>> expression.gamsRepr()
'(a * b)'

getDeclaration() → str

Declaration of the Expression in GAMS

Returns:

str

Examples

>>> import gamspy as gp
>>> m = gp.Container()
>>> a = gp.Parameter(m, name="a")
>>> b = gp.Parameter(m, name="b")
>>> expression = a * b
>>> expression.getDeclaration()
'(a * b)'