21 lines
559 B
Nim
21 lines
559 B
Nim
proc deconv(g, f: openArray[float]): seq[float] =
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var h: seq[float] = newSeq[float](len(g) - len(f) + 1)
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for n in 0..<len(h):
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h[n] = g[n]
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var lower: int
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if n >= len(f):
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lower = n - len(f) + 1
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for i in lower..<n:
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h[n] -= h[i] * f[n - i]
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h[n] /= f[0]
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h
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let h = [-8'f64, -9, -3, -1, -6, 7]
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let f = [-3'f64, -6, -1, 8, -6, 3, -1, -9, -9, 3, -2, 5, 2, -2, -7, -1]
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let g = [24'f64, 75, 71, -34, 3, 22, -45, 23, 245, 25, 52, 25, -67, -96,
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96, 31, 55, 36, 29, -43, -7]
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echo h
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echo deconv(g, f)
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echo f
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echo deconv(g, h)
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