Exemplo n.º 1
0
 /**
  * Returns the geometric mean of the entries in the specified portion of the input array, or
  * <code>Double.NaN</code> if the designated subarray is empty.
  *
  * <p>Throws <code>IllegalArgumentException</code> if the array is null.
  *
  * <p>See {@link org.apache.commons.math3.stat.descriptive.moment.GeometricMean} for details on
  * the computing algorithm.
  *
  * @param values the input array
  * @param begin index of the first array element to include
  * @param length the number of elements to include
  * @return the geometric mean of the values or Double.NaN if length = 0
  * @throws MathIllegalArgumentException if the array is null or the array index parameters are not
  *     valid
  */
 public static double geometricMean(final double[] values, final int begin, final int length)
     throws MathIllegalArgumentException {
   return GEOMETRIC_MEAN.evaluate(values, begin, length);
 }
Exemplo n.º 2
0
 /**
  * Returns the geometric mean of the entries in the input array, or <code>Double.NaN</code> if the
  * array is empty.
  *
  * <p>Throws <code>IllegalArgumentException</code> if the array is null.
  *
  * <p>See {@link org.apache.commons.math3.stat.descriptive.moment.GeometricMean} for details on
  * the computing algorithm.
  *
  * @param values the input array
  * @return the geometric mean of the values or Double.NaN if the array is empty
  * @throws MathIllegalArgumentException if the array is null
  */
 public static double geometricMean(final double[] values) throws MathIllegalArgumentException {
   return GEOMETRIC_MEAN.evaluate(values);
 }