Deconvolution/1D: Difference between revisions
Added Kotlin
(→{{header|Python}}: Add missing return code) |
(Added Kotlin) |
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Line 594:
f = [-3, -6, -1, 8, -6, 3, -1, -9, -9, 3, -2, 5, 2, -2, -7, -1]
deconv(g, h) = [-3, -6, -1, 8, -6, 3, -1, -9, -9, 3, -2, 5, 2, -2, -7, -1]
</pre>
=={{header|Kotlin}}==
{{trans|Go}}
<lang scala>// version 1.1.3
fun deconv(g: DoubleArray, f: DoubleArray): DoubleArray {
val fs = f.size
val h = DoubleArray(g.size - fs + 1)
for (n in h.indices) {
h[n] = g[n]
val lower = if (n >= fs) n - fs + 1 else 0
for (i in lower until n) h[n] -= h[i] * f[n -i]
h[n] /= f[0]
}
return h
}
fun main(args: Array<String>) {
val h = doubleArrayOf(-8.0, -9.0, -3.0, -1.0, -6.0, 7.0)
val f = doubleArrayOf(-3.0, -6.0, -1.0, 8.0, -6.0, 3.0, -1.0, -9.0,
-9.0, 3.0, -2.0, 5.0, 2.0, -2.0, -7.0, -1.0)
val g = doubleArrayOf(24.0, 75.0, 71.0, -34.0, 3.0, 22.0, -45.0,
23.0, 245.0, 25.0, 52.0, 25.0, -67.0, -96.0,
96.0, 31.0, 55.0, 36.0, 29.0, -43.0, -7.0)
println("${h.map { it.toInt() }}")
println("${deconv(g, f).map { it.toInt() }}")
println()
println("${f.map { it.toInt() }}")
println("${deconv(g, h).map { it.toInt() }}")
}</lang>
{{out}}
<pre>
[-8, -9, -3, -1, -6, 7]
[-8, -9, -3, -1, -6, 7]
[-3, -6, -1, 8, -6, 3, -1, -9, -9, 3, -2, 5, 2, -2, -7, -1]
[-3, -6, -1, 8, -6, 3, -1, -9, -9, 3, -2, 5, 2, -2, -7, -1]
</pre>
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