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QR decomposition: Difference between revisions
Scala contribution added.
(Added Java example using JAMA matrix library) |
(Scala contribution added.) |
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*/</lang>
=={{header|Scala}}==
{{Out}}Best seen running in your browser [https://scastie.scala-lang.org/NMueO16uQl6oivliBKZHew Scastie (remote JVM)].
<lang Scala>import java.io.{PrintWriter, StringWriter}
import Jama.{Matrix, QRDecomposition}
object QRDecomposition extends App {
val matrix =
new Matrix(
Array[Array[Double]](Array(12, -51, 4),
Array(6, 167, -68),
Array(-4, 24, -41)))
val d = new QRDecomposition(matrix)
def toString(m: Matrix): String = {
val sw = new StringWriter
m.print(new PrintWriter(sw, true), 8, 6)
sw.toString
}
print(toString(d.getQ))
print(toString(d.getR))
}</lang>
=={{header|SequenceL}}==
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