
High-High-PPerformance Optimization Methodserformance Optimization Methods 77
On line 8, it was necessary to verify for a specifi
c threshold value since in
practice, it is diffi cult to achieve one of the stop condition because of the
numeric precision. There are other criterion that might be used in iterative
algorithms to know if there are signifi cant value changes in two consecutive
iterations, for example, we can check for the absolute value of the objective
function s of two iterations using the condition given in (3.2.1), or in (3.2.2)
or in (3.2.3).
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(3.2.2)
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