Is possible select specific rows with all column in a loop?
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Orlando Ramirez-Valle
le 13 Juin 2021
Réponse apportée : Walter Roberson
le 14 Juin 2021
Hello.
I have a data matrix like the following
1 -5.01E-01 0.00E + 00
1.0865 1.09E-01 0.00E + 00
1.173 1.09E-01 0.00E + 00
1.2911 1.09E-01 0.00E + 00
1.4329 1.09E-01 0.00E + 00
1.6219 1.09E-01 0.00E + 00
1.811 1.09E-01 0.00E + 00
2 1.09E-01 0.00E + 00
2.3333 1.38E-01 0.00E + 00
2.6667 1.38E-01 0.00E + 00
3 1.38E-01 0.00E + 00
3.001 -2.15E-02 0.00E + 00
3.0023 -2.15E-02 0.00E + 00
3.004 -2.15E-02 0.00E + 00
3.0062 -2.15E-02 0.00E + 00
3.009 -2.15E-02 0.00E + 00
3.0128 -2.15E-02 0.00E + 00
3.0176 -2.15E-02 0.00E + 00
3.0239 -2.15E-02 0.00E + 00
3.032 -2.15E-02 0.00E + 00
3.0426 -2.15E-02 0.00E + 00
3.0564 -2.15E-02 0.00E + 00
3.0743 -2.15E-02 0.00E + 00
3.0976 -2.15E-02 0.00E + 00
3.1279 -2.15E-02 0.00E + 00
3.1673 -2.15E-02 0.00E + 00
3.2185 -2.15E-02 0.00E + 00
3,285 -2.15E-02 0.00E + 00
3.3744 -2.15E-02 0.00E + 00
3.4787 -2.15E-02 0.00E + 00
3.609 -2.15E-02 0.00E + 00
3.8045 -2.15E-02 0.00E + 00
4 -2.15E-02 0.00E + 00
4.25 1.55E-02 0.00E + 00
4.625 1.55E-02 0.00E + 00
5 1.55E-02 0.00E + 00
5.5 5.26E-02 0.00E + 00
6 5.26E-02 0.00E + 00
for this example how to get the integer values of column one (1, 2, 3, 4, 5 and 6) with all its columns.
Could it be done automatically? since I have a big matrix
I will really appreciate your valuable help.
Orlando
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Walter Roberson
le 14 Juin 2021
mask = ismembertol(YourArray, 1:6);
selected_rows = YourArray(mask,:);
G = round(selected_rows(:,1));
split_groups = splitapply(@(M){M}, selected_rows, G)
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