/** Get the value of the minimum, i.e. the value associated with the resulting parameters
* as obtained by getParams(). May return NaN in case the minimize call has returned
* an INITIALIZATION_FAILURE status or that abort() has been called at the very
* beginning of the minimization.
* Do not call this method before minimization. */
public double getFunctionValue()
{
if (result == null)
{
result = new double[numParams + 1];
Java.DoubleArrayFill(result, double.NaN);
}
return(value(result));
}
/** Get the result, i.e., the set of parameter values (i.e., variable values)
* from the best corner of the simplex. Note that the array returned may have more
* elements than numParams; ignore the rest.
* May return an array with only NaN values in case the minimize call has returned
* an INITIALIZATION_FAILURE status or that abort() has been called at the very
* beginning of the minimization.
* Do not call this method before minimization. */
public double[] getParams()
{
if (result == null)
{
result = new double[numParams + 1 + numExtraArrayElements];
Java.DoubleArrayFill(result, double.NaN);
}
return(result);
}
/** Get center of all vertices except one to exclude
* (may be -1 to exclude none)
* Does not care about function values (i.e., last array elements) */
private void getCenter(List <double[]> simp, int excludeVertex, double[] center)
{
Java.DoubleArrayFill(center, 0.0);
int nV = 0;
for (int v = 0; v < numVertices; v++)
{
if (v != excludeVertex)
{
for (int i = 0; i < numParams; i++)
{
center[i] += simp[v][i];
}
nV++;
}
}
double norm = 1.0 / nV;
for (int i = 0; i < numParams; i++)
{
center[i] *= norm;
}
}
