How to delete every nth column in table?

Question

Hanne 2024-3-11

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2092996-how-to-delete-every-nth-column-in-table

编辑： Mathieu NOE 2024-3-11

I have a table (X) and want to delete every 2nd column from it.

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Answer 1

Mathieu NOE 2024-3-11

0
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2092996-how-to-delete-every-nth-column-in-table#answer_1423656

编辑：Mathieu NOE 2024-3-11

在 MATLAB Online 中打开

maybe this ?

X = (1:9)'*(1:10:50);
% remove only 2nd column
t = array2table(X,'VariableNames',{'t' 'x' 'y' 'z' 'r'})
t = 9×5 table
    t    x      y      z      r 
    _    __    ___    ___    ___

    1    11     21     31     41
    2    22     42     62     82
    3    33     63     93    123
    4    44     84    124    164
    5    55    105    155    205
    6    66    126    186    246
    7    77    147    217    287
    8    88    168    248    328
    9    99    189    279    369
t(:,2) = []
t = 9×4 table
    t     y      z      r 
    _    ___    ___    ___

    1     21     31     41
    2     42     62     82
    3     63     93    123
    4     84    124    164
    5    105    155    205
    6    126    186    246
    7    147    217    287
    8    168    248    328
    9    189    279    369
% remove every 2nd column (c = 2,4,6,...)
t = array2table(X,'VariableNames',{'t' 'x' 'y' 'z' 'r'});
t(:,2:2:end) = []
t = 9×3 table
    t     y      r 
    _    ___    ___

    1     21     41
    2     42     82
    3     63    123
    4     84    164
    5    105    205
    6    126    246
    7    147    287
    8    168    328
    9    189    369