Calling Konstants from string with name instead of index

Question

Jan w 2017-8-30

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/354647-calling-konstants-from-string-with-name-instead-of-index

评论： Jan w 2017-8-31

采纳的回答： Image Analyst

在 MATLAB Online 中打开

Hello everyone,

I have a string A containing konstants, which are calculated before.

A=[M_sig epsopen Emod sigopen]

Is there any way I can use the konstants name in equations instead of using the index? It would be great so I can recognice the used formula and don't need to check for the konstant name.

Like using

Emod*sigopen instead of A(3)*(4)

Thanks for your help

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Answer 1

Image Analyst 2017-8-30

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https://ww2.mathworks.cn/matlabcentral/answers/354647-calling-konstants-from-string-with-name-instead-of-index#answer_279755

在 MATLAB Online 中打开

Yes, if you make A a table or structure. Here's a structure example:

% Create sample data.
M_sig =1;
epsopen = 2;
Emod = 3;
sigopen = 4;
% Create a structure.
A= struct('M_sig', M_sig, 'epsopen', epsopen, 'Emod', Emod, 'sigopen', sigopen)
% Do the math.
output = A.Emod * A.sigopen