8.8.4. MDOPsdExpr

MDOPsdExpr

Represents a PSD expression in a MindOpt application. The PSD expression contains the PSD item and optionally a linear expression.

Properties

LinExpr	Retrieve the linear expression contained in this PSD expression
Size	Retrieve the number of PSD terms contained in a PSD expression
Value	Retrieve the value of this PSD expression after the problem is resolved

LinExpr

Retrieve the linear expression contained in this PSD expression

Size

Retrieve the number of PSD terms contained in a PSD expression.

Value

Retrieve the value of this PSD expression after the problem is resolved

Methods

AddTerm	Add a PSD term to this PSD expression
AddTerm	Add a linear term to this PSD expression
AddTerms	Add linear terms to this PSD expression
GetCoeff	Retrieve the coefficients in the ith PSD term
GetPsdVar	Retrieve the PSD variable in the ith PSD term
MDOPsdExpr	Construct a PSD expression
MDOPsdExpr	Construct a PSD expression with a PSD term
MDOPsdExpr	Construct a PSD expression with a linear expression
MDOPsdExpr	Construct a PSD expression from another PSD expression
Remove	Delete the ith PSD term from this PSD expression
Remove	Remove All PSD terms that contain the specified PSD variable

void AddTerm(MDOMatrix coeff, MDOPsdVar var)

Add a PSD term to this PSD expression.

Parameters

• MDOMatrix coeff – The coefficients of the new PSD term to be added.

• MDOPsdVar var – The PSD variable of the new PSD term to be added.

void AddTerm(double coeff, MDOVar var)

Add a linear term to this PSD expression.

Parameters

• double coeff – The coefficient of the new linear term to be added.

• MDOVar var – The variable of the new linear term to be added.

void AddTerms(double[] coeff, MDOVar[] var)

Add linear terms to this PSD expression.

Parameters

• double[] coeff – The coefficients of the new linear term to be added.

• MDOVar[] var – The variables of the new linear term to be added.

MDOMatrix GetCoeff(int i)

Retrieve the coefficients in the ith PSD term.

Parameters

int i – The index of the PSD term.

Returns

The coefficients in the ith PSD term.

MDOPsdVar GetPsdVar(int i)

Retrieve the PSD variable in the ith PSD term.

Parameters

int i – The index of the PSD term.

Returns

The PSD variable contained in the ith PSD term.

MDOPsdExpr()

Construct a PSD expression.

MDOPsdExpr(MDOPsdVar var, MDOMatrix coeff)

Construct a PSD expression with a PSD term.

Parameters

• MDOPsdVar var – The PSD variable of the PSD term.

• MDOMatrix coeff – The coefficients of the PSD term.

MDOPsdExpr(MDOLinExpr le)

Construct a PSD expression with a linear expression

Parameters

MDOLinExpr le – The linear expression

MDOPsdExpr(MDOPsdExpr another)

Construct a PSD expression from another PSD expression.

Parameters

MDOPsdExpr another – Another PSD expression.

void Remove(int i)

Delete the ith PSD term from this PSD expression.

Parameters

int i – The index of the PSD term to be deleted.

bool Remove(MDOPsdVar v)

Remove All PSD terms that contain the specified PSD variable.

Parameters

MDOPsdVar v – PSD variable to delete.

Returns

True if at least one term is deleted.