private Pair<int, int> max(DoubleMatrix2D matrix)
{
if (matrix == null)
{
return null;
}
int row = 0;
int column = 0;
double value = 0;
for (int r = 0; r < matrix.rows(); r++)
{
for (int c = 0; c < matrix.columns(); c++)
{
double currentValue = matrix.getQuick(r, c);
if (currentValue > value)
{
value = currentValue;
row = r;
column = c;
}
}
}
if (value > 0)
{
return new Pair<int, int>(row, column);
}
else
{
return null;
}
}