Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/5344#discussion_r27743013
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala
---
@@ -87,6 +87,9 @@ sealed trait Matrix extends Serializable {
/** A human readable representation of the matrix */
override def toString: String = toBreeze.toString()
+ /** A human readable representation of the matrix with specific lines
and width */
--- End diff --
Just checked breeze's implementation. It uses max number of chars. Then we
should rename `maxWidth` to `maxLineWidth`.
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