ISmNonLinearEquations.JacobianCalcFrequency

Syntax

JacobianCalcFrequency: Integer;

Description

The JacobianCalcFrequency property determines how often the Jacobian is calculated when a non-linear equation system is solved using the Newton method.

Comments

Default value is one: that is, the Jacobian is calculated at each iteration. The greater is the value of this property, the less often the Jacobian is calculated and the higher is the speed of equation system solving.

Method of system solving is determined by the ISmNonLinearEquations.MethodType property: it must be set to NonLinearEquationsType.NewtonMethod. When other calculation methods are selected, JacobianCalcFrequency is ignored.

Example

The property use is given in the example for ISmNonLinearEquations.DerivativeShift.