Expr::Expr()
Constructor of a constant linear expression.
Synopsis
Expr(double constant)
Arguments
constant
: constant value in expression object.
Expr::Expr()
Constructor of a linear expression with one term.
Synopsis
Expr(const Var &var, double coeff)
Arguments
var
: variable for the added term.
coeff
: coefficent for the added term.
Expr::AddConstant()
Add constant for the expression.
Synopsis
void AddConstant(double constant)
Arguments
constant
: the value of the constant.
Expr::AddExpr()
Add an expression to self.
Synopsis
void AddExpr(const Expr &expr, double mult)
Arguments
expr
: expression to be added.
mult
: optional, constant multiplier, default value is 1.0.
Expr::AddTerm()
Add a term to expression object.
Synopsis
void AddTerm(const Var &var, double coeff)
Arguments
var
: a variable for new term.
coeff
: coefficient for new term.
Expr::AddTerms()
Add terms to expression object.
Synopsis
int AddTerms(
const VarArray &vars,
double *pCoeff,
int len)
Arguments
vars
: variables for added terms.
pCoeff
: coefficient array for added terms.
len
: length of coefficient array.Return
number of added terms.
Expr::Clone()
Deep copy linear expression object.
Synopsis
Expr Clone()
Return
cloned expression object.
Expr::Evaluate()
evaluate linear expression after solving
Synopsis
double Evaluate()
Return
value of linear expression
Expr::GetCoeff()
Get coefficient from the i-th term in expression.
Synopsis
double GetCoeff(int i)
Arguments
i
: index of the term.Return
coefficient of the i-th term in expression object.
Expr::GetConstant()
Get constant in expression.
Synopsis
double GetConstant()
Return
constant in expression.
Expr::GetVar()
Get variable from the i-th term in expression.
Synopsis
Var &GetVar(int i)
Arguments
i
: index of the term.Return
variable of the i-th term in expression object.
Expr::operator*=()
Multiply a constant to self.
Synopsis
void operator*=(double c)
Arguments
c
: constant multiplier.
Expr::operator*()
Multiply constant and return new expression.
Synopsis
Expr operator*(double c)
Arguments
c
: constant multiplier.Return
result expression.
Expr::operator*()
Multiply a variable and return new quadratic expression object.
Synopsis
QuadExpr operator*(const Var &var)
Arguments
var
: variable object.Return
result quadratic expression.
Expr::operator*()
Multiply a linear expression and return new quadratic expression object.
Synopsis
QuadExpr operator*(const Expr &other)
Arguments
other
: linear expression object.Return
result quadratic expression.
Expr::operator+=()
Add an expression to self.
Synopsis
void operator+=(const Expr &expr)
Arguments
expr
: expression to be added.
Expr::operator+()
Add expression and return new expression.
Synopsis
Expr operator+(const Expr &other)
Arguments
other
: other expression to add.Return
result expression.
Expr::operator-=()
Substract an expression from self.
Synopsis
void operator-=(const Expr &expr)
Arguments
expr
: expression to be substracted.
Expr::operator-()
Substract expression and return new expression.
Synopsis
Expr operator-(const Expr &other)
Arguments
other
: other expression to substract.Return
result expression.
Expr::Remove()
Remove i-th term from expression object.
Synopsis
void Remove(int i)
Arguments
i
: index of the term to be removed.
Expr::Remove()
Remove the term associated with variable from expression.
Synopsis
void Remove(const Var &var)
Arguments
var
: a variable whose term should be removed.
Expr::Reserve()
Reserve capacity to contain at least n items.
Synopsis
void Reserve(size_t n)
Arguments
n
: minimum capacity for linear expression object.
Expr::SetCoeff()
Set coefficient for the i-th term in expression.
Synopsis
void SetCoeff(int i, double val)
Arguments
i
: index of the term.
val
: coefficient of the term.
Expr::SetConstant()
Set constant for the expression.
Synopsis
void SetConstant(double constant)
Arguments
constant
: the value of the constant.
Expr::Size()
Get number of terms in expression.
Synopsis
size_t Size()
Return
number of terms.