Is it possible to use a variable name like this within Matlab?

Question

Leon 2019-10-17

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/485907-is-it-possible-to-use-a-variable-name-like-this-within-matlab

评论： Leon 2019-10-17

采纳的回答： Guillaume

I have standardized header names with slash like this: OXYGEN_UMOL/KG.

How do I escape the '/' so that I can use commands like this?

OXYGEN_UMOL/KG = 5;

The same variable name should go to my Excel writetable command.

Thanks!

2 个评论
显示无隐藏无

Daniel M 2019-10-17

It is not possible with regular variable names. The only time is may be possible is with the names of variables within a table, and then only in release R2019b. Unfortunately, I have R2019a so I cannot test this.

Leon 2019-10-17

Thank you!

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Guillaume 2019-10-17

2
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/485907-is-it-possible-to-use-a-variable-name-like-this-within-matlab#answer_396837

编辑：Guillaume 2019-10-17

在 MATLAB Online 中打开

Confusingly, variable names can mean two different things now in matlab. A generic variable name, e.g.

>> A = 5

is limited to alphanumeric characters and _ and cannot start with a digit.

Since R2019b, table variable names on the other hand can have any characters in them, so yes a table variable can be named OXYGEN_UMOL/KG.

One way to do this:

>> t = table([1;2;3], ["aaa"; "b"; "cc"], 'VariableNames', {'OXYGEN_UMOL/KG', 'Name with spaces'})
t =
  3×2 table
    OXYGEN_UMOL/KG    Name with spaces
    ______________    ________________
          1                "aaa"      
          2                "b"        
          3                "cc"   

Another way:

>> t.('#@!') = [10;20;30]
t =
  3×3 table
    OXYGEN_UMOL/KG    Name with spaces    #@!
    ______________    ________________    ___
          1                "aaa"          10 
          2                "b"            20 
          3                "cc"           30 