diff options
Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/math/statistics/distribution/NormalDistribution.java')
| -rw-r--r-- | src/de/lmu/ifi/dbs/elki/math/statistics/distribution/NormalDistribution.java | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/math/statistics/distribution/NormalDistribution.java b/src/de/lmu/ifi/dbs/elki/math/statistics/distribution/NormalDistribution.java index 9180b59e..1845dec1 100644 --- a/src/de/lmu/ifi/dbs/elki/math/statistics/distribution/NormalDistribution.java +++ b/src/de/lmu/ifi/dbs/elki/math/statistics/distribution/NormalDistribution.java @@ -315,7 +315,7 @@ public class NormalDistribution implements DistributionWithRandom { public static double pdf(double x, double mu, double sigma) { final double x_mu = x - mu; final double sigmasq = sigma * sigma; - return 1 / (Math.sqrt(MathUtil.TWOPI * sigmasq)) * Math.exp(-1 * x_mu * x_mu / 2 / sigmasq); + return 1 / (Math.sqrt(MathUtil.TWOPI * sigmasq)) * Math.exp(-.5 * x_mu * x_mu / sigmasq); } /** |