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Merge pull request #223 from sugarme/issue222

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resolves #222
This commit is contained in:
Richard Townsend 2019-03-23 18:45:14 +00:00 committed by GitHub
commit 5d79ed7114
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1 changed files with 4 additions and 2 deletions
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6
metrics/pairwise/euclidean.go
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@ -14,7 +14,8 @@ func NewEuclidean() *Euclidean {
// InnerProduct computes a Eucledian inner product.
func (e *Euclidean) InnerProduct(vectorX *mat.Dense, vectorY *mat.Dense) float64 {
subVector := new(mat.Dense)
subVector := mat.NewDense(1, 1, nil)
subVector.Reset()
subVector.MulElem(vectorX, vectorY)
result := mat.Sum(subVector)
@ -23,7 +24,8 @@ func (e *Euclidean) InnerProduct(vectorX *mat.Dense, vectorY *mat.Dense) float64
// Distance computes Euclidean distance (also known as L2 distance).
func (e *Euclidean) Distance(vectorX *mat.Dense, vectorY *mat.Dense) float64 {
subVector := new(mat.Dense)
subVector := mat.NewDense(1, 1, nil)
subVector.Reset()
subVector.Sub(vectorX, vectorY)
result := e.InnerProduct(subVector, subVector)