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How to filter out rows from a very long table

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Reem RA
Reem RA el 14 de Jul. de 2022
Comentada: Reem RA el 14 de Jul. de 2022
How can I filter out rows for a huge table? I have pasted bellow a representative sample from the table (I would prefer if this could be done using loops?):
21613 864.52 25 114.0714 -25.8369
21614 864.56 26 114.1197 -26.0363
21615 864.6 27 114.1688 -26.2351
21616 864.64 28 114.2188 -26.4335
21617 864.68 29 114.2697 -26.6313
21618 864.72 30 114.3215 -26.8284
21619 864.76 31 114.3742 -27.0249
21620 864.8 32 114.4279 -27.2206
21621 864.84 33 114.4826 -27.4155
21622 864.88 34 114.5381 -27.6096
21623 864.92 35 114.5943 -27.8027
21624 864.96 36 114.6513 -27.9949
21625 865.00 37 114.7092 -28.1861
21626 865.04 38 114.7681 -28.3762
21627 865.08 39 114.8279 -28.5653
21628 865.12 40 114.8886 -28.7532
21629 865.16 41 114.9503 -28.9399
21630 865.2 42 115.0128 -29.1254
21631 865.24 43 115.0763 -29.3097
21632 865.28 44 115.1406 -29.4926
21633 865.32 45 115.2058 -29.6742
21634 865.36 46 115.2719 -29.8544
21635 865.4 47 115.3387 -30.0332
21636 865.44 48 115.4065 -30.2106
21637 865.48 49 115.4751 -30.3866
21638 865.52 50 115.5445 -30.5611
21639 865.56 51 115.6146 -30.7339
21640 865.6 52 115.6854 -30.9052
21641 865.64 53 115.7568 -31.0749
21642 865.68 54 115.8288 -31.2429
21643 865.72 55 115.9013 -31.4091
%I want the code to say keep row 5, and row 10, and row 15, and row 20, ... and so on
%the table size is 31x5
%I want to have a new table with the resulted new filtered table

Respuesta aceptada

Chunru
Chunru el 14 de Jul. de 2022
a = [
21613 864.52 25 114.0714 -25.8369
21614 864.56 26 114.1197 -26.0363
21615 864.6 27 114.1688 -26.2351
21616 864.64 28 114.2188 -26.4335
21617 864.68 29 114.2697 -26.6313
21618 864.72 30 114.3215 -26.8284
21619 864.76 31 114.3742 -27.0249
21620 864.8 32 114.4279 -27.2206
21621 864.84 33 114.4826 -27.4155
21622 864.88 34 114.5381 -27.6096
21623 864.92 35 114.5943 -27.8027
21624 864.96 36 114.6513 -27.9949
21625 865.00 37 114.7092 -28.1861
21626 865.04 38 114.7681 -28.3762
21627 865.08 39 114.8279 -28.5653
21628 865.12 40 114.8886 -28.7532
21629 865.16 41 114.9503 -28.9399
21630 865.2 42 115.0128 -29.1254
21631 865.24 43 115.0763 -29.3097
21632 865.28 44 115.1406 -29.4926
21633 865.32 45 115.2058 -29.6742
21634 865.36 46 115.2719 -29.8544
21635 865.4 47 115.3387 -30.0332
21636 865.44 48 115.4065 -30.2106
21637 865.48 49 115.4751 -30.3866
21638 865.52 50 115.5445 -30.5611
21639 865.56 51 115.6146 -30.7339
21640 865.6 52 115.6854 -30.9052
21641 865.64 53 115.7568 -31.0749
21642 865.68 54 115.8288 -31.2429
21643 865.72 55 115.9013 -31.4091];
whatyouwant = a(5:5:end, :)
whatyouwant = 6×5
1.0e+04 * 2.1617 0.0865 0.0029 0.0114 -0.0027 2.1622 0.0865 0.0034 0.0115 -0.0028 2.1627 0.0865 0.0039 0.0115 -0.0029 2.1632 0.0865 0.0044 0.0115 -0.0029 2.1637 0.0865 0.0049 0.0115 -0.0030 2.1642 0.0866 0.0054 0.0116 -0.0031

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