/** Initialise the simplex and evaluate it. Returns null on failure. */
private List <double[]> makeSimplex(double[] initialParams, double[] initialParamVariations, Random random)
{
var simp = Java.NewDoubleArray2(numVertices, numParams + 1 + numExtraArrayElements);
/* simpTable.put(Thread.currentThread(), simp); */
if (initialParams != null)
{
for (int i = 0; i < numParams; i++)
{
if (double.IsNaN(initialParams[i]))
{
Array.Copy(initialParams, 0, simp[0], 0, Math.Min(initialParams.Length, numParams));
}
}
}
evaluate(simp[0]);
if (double.IsNaN(value(simp[0])))
{
findValidInitalParams(simp[0], initialParamVariations, random);
}
if (double.IsNaN(value(simp[0])))
{
return(null);
}
if (initializeSimplex(simp, initialParamVariations, random))
{
return(simp);
}
else
{
return(null);
}
}
