Deconvolution/1D: Difference between revisions
→{{header|jq}}
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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|jq}}==
{{trans|Wren}}
'''Works with jq, the C implementation of jq'''
'''Works with gojq, the Go implementation of jq'''
'''Works with jaq, the Rust implementation of jq'''
<syntaxhighlight lang="jq">
def deconv($g; $f):
{ h: [range(0; ($g|length) - ($f|length) + 1) | 0] }
| reduce range ( 0;.h|length) as $n (.;
.h[$n] = $g[$n]
| (if $n >= ($f|length) then $n - ($f|length) + 1 else 0 end) as $lower
| .i = $lower
| until(.i >= $n;
.h[$n] -= .h[.i] * $f[$n - .i]
| .i += 1 )
| .h[$n] /= $f[0] )
| .h ;
### The tasks
def h: [-8, -9, -3, -1, -6, 7];
def f: [-3, -6, -1, 8, -6, 3, -1, -9, -9, 3, -2, 5, 2, -2, -7, -1];
def g: [24, 75, 71, -34, 3, 22, -45, 23, 245, 25, 52, 25, -67, -96, 96, 31, 55, 36, 29, -43, -7];
h,
deconv(g; f),
f,
deconv(g; h)
</syntaxhighlight>
{{output}}
<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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