Find Min Max of 2D array in scala

Question

I have a 2D array of the form:

scala> signature_matrix
res129: Array[Array[Int]]

How do I find the maximum element?

soote · Accepted Answer · 2017-03-31 04:50:54Z

5

flatten to a 1d list, then call max:

arr.flatten.max

answered Mar 31, 2017 at 4:50

soote

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Comments

chengpohi · Accepted Answer · 2017-03-31 04:04:45Z

1

signature_matrix.map(_.max).max

find sub Array max firstly and map to an Array, and find max again.

answered Mar 31, 2017 at 4:04

chengpohi

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