COMPRESSI_BY (var, mask), Compress data according to a mask
Likewise COMPRESSJ_BY, COMPRESSK_BY, COMPRESSL_BY, COMPRESSM_BY, COMPRESSN_BY compress data on the given axis according to a mask; returning data on an abstract axis in each direction.
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Arguments: |
VAR |
Variable to compress according to MASK |
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MASK |
mask to use in compressing the data |
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Result Axes: |
X |
Abstract |
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Y |
Inherited from VAR and MASK |
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Z |
Inherited from VAR and MASK |
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T |
Inherited from VAR and MASK |
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E |
Inherited from VAR and MASK |
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F |
Inherited from VAR and MASK |
Compress variable "dat" along its I axis using the (multi-dimensional) mask supplied in the second argument.
For example:
yes? LET mask = {1,,1,,1} + 0*L[l=101:102] + 0*K[k=10:11]
yes? LIST mask
{1,,1,,1} + 0*L[L=101:102] + 0*K[K=10:11]
1 2 3 4 5
1 2 3 4 5
---- L:101 T: 101
10 / 10: 1.000 ... 1.000 ... 1.000
11 / 11: 1.000 ... 1.000 ... 1.000
---- L:102 T: 102
10 / 10: 1.000 ... 1.000 ... 1.000
11 / 11: 1.000 ... 1.000 ... 1.000
yes? LIST compressi_by({11,22,33,44,55},mask)
COMPRESSI_BY({11,22,33,44,55},MASK)
1 2 3 4 5
1 2 3 4 5
---- L:101 T: 101
10 / 10: 11.00 33.00 55.00 ... ...
11 / 11: 11.00 33.00 55.00 ... ...
---- L:102 T: 102
10 / 10: 11.00 33.00 55.00 ... ...
11 / 11: 11.00 33.00 55.00 ... ...