How do I multiply an integer with a single value from the matrix?

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Suleman Jalal 2019-6-11

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/466438-how-do-i-multiply-an-integer-with-a-single-value-from-the-matrix

评论： Suleman Jalal 2019-6-11

%Start of the code
Module_Information = inputdlg ({'Thrust','Mixture Ratio','Reserve'},'Test', [1 50; 1 50; 1 50;]);
Exhaust_Veloctiy = 4 * Module_Information(1,1)
%End of the code

How do I extract "Moduel_Information(1,1)" or the "Thrust" and multiple with a integator, such as 4.

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madhan ravi 2019-6-11

编辑：madhan ravi 2019-6-11

Is it MATLAB? MATLAB doesn’t use // for comment.

Suleman Jalal 2019-6-11

Yes. It should have been a "%", instead of "//".

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Answer 1

Stephen23 2019-6-11

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https://ww2.mathworks.cn/matlabcentral/answers/466438-how-do-i-multiply-an-integer-with-a-single-value-from-the-matrix#answer_378683

编辑：Stephen23 2019-6-11

在 MATLAB Online 中打开

You need to convert the character vector (contained in the output) into numeric, e.g.:

C = inputdlg(...); % C is a cell array of character vectors!
N = str2double(C{1}) % N is numeric!
N*4

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Suleman Jalal 2019-6-11

Thank you so much, the "str2double" was what I was looking. It worked.

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Answer 2

KALYAN ACHARJYA 2019-6-11

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/466438-how-do-i-multiply-an-integer-with-a-single-value-from-the-matrix#answer_378658

编辑：KALYAN ACHARJYA 2019-6-11

在 MATLAB Online 中打开

Here Module_Information is cell

>> whos Module_Information
  Name                    Size            Bytes  Class    Attributes
  Module_Information      3x1               192  cell      

So

Exhaust_Veloctiy =4*Module_Information{1,1}

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Suleman Jalal 2019-6-11

编辑：Suleman Jalal 2019-6-11

I am not sure, however the answer does not correlates with the correct output. I attached a screenshot below of my code in the comman window. Screen Shot 2019-06-11 at 1.47.52 AM.png