diff --git a/solr/solr-ref-guide/src/dsp.adoc b/solr/solr-ref-guide/src/dsp.adoc index 8f3b24b4c53..e9d4fd689fe 100644 --- a/solr/solr-ref-guide/src/dsp.adoc +++ b/solr/solr-ref-guide/src/dsp.adoc @@ -28,6 +28,7 @@ the more advanced DSP functions its useful to develop a deeper intuition of the The dot product operation is performed in two steps: 1) Element-by-element multiplication of two vectors which produces a vector of products. + 2) Sum the vector of products to produce a scalar result. This simple bit of math has a number of important applications. @@ -146,7 +147,8 @@ When this expression is sent to the `/stream` handler it responds with: ---- In the example above two arrays were combined in a way that produced the mean of the first. In the second array -each value was set to ".2". Another way of looking at this is that each value in the second array has the same weight. +each value was set to .2. Another way of looking at this is that each value in the second array is +applying the same weight to the values in the first array. By varying the weights in the second array we can produce a different result. For example if the first array represents a time series, the weights in the second array can be set to add more weight to a particular element in the first array.