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Meaning of specific MATLAB instruction num2str


Simple way to repeat a String in javaWhat does %w(array) mean?How do I check if a string contains a specific word?Ukkonen's suffix tree algorithm in plain Englishxkcd style graphs in MATLABSyntax Highlighting While Running MATLAB via Terminal?Vectorize string concatenation in matlabHow do I get the Matlab data point labels correct?Reshape function in matlab and imagesHow does String substring work in Swift






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0















I have been sent some complete MATLAB script. It appears that author of this code has made a specific instruction using num2str and set_param .
What is the purpose of the following line:



['[' num2str(operating_point) ']']


I am interested specially of an intention of using '[' as syntax.



set_param(system_block_name, operating_point_name,...
['[' num2str(operating_point) ']']









share|improve this question



















  • 5





    Have you looked at the help mathworks.com/help/matlab/ref/num2str.html and tried using it in MATLAB?

    – Navan
    Mar 25 at 18:58






  • 2





    Did you try creating a numeric variable operating_point and and executing that first line of code?

    – beaker
    Mar 25 at 19:23











  • Yes, yes. I do understand what does num2str . I was wondering why the author of that code used braces in apostrophe '[' and ']' , because I think it's unnecessary.

    – Pomaranczka
    Mar 26 at 21:24












  • Then you didn't actually try the command, or you would see what the single-quotes do. I wasn't trying to get you to run num2str, I was trying to get you to execute the part you had the actual question about.

    – beaker
    Mar 27 at 14:23


















0















I have been sent some complete MATLAB script. It appears that author of this code has made a specific instruction using num2str and set_param .
What is the purpose of the following line:



['[' num2str(operating_point) ']']


I am interested specially of an intention of using '[' as syntax.



set_param(system_block_name, operating_point_name,...
['[' num2str(operating_point) ']']









share|improve this question



















  • 5





    Have you looked at the help mathworks.com/help/matlab/ref/num2str.html and tried using it in MATLAB?

    – Navan
    Mar 25 at 18:58






  • 2





    Did you try creating a numeric variable operating_point and and executing that first line of code?

    – beaker
    Mar 25 at 19:23











  • Yes, yes. I do understand what does num2str . I was wondering why the author of that code used braces in apostrophe '[' and ']' , because I think it's unnecessary.

    – Pomaranczka
    Mar 26 at 21:24












  • Then you didn't actually try the command, or you would see what the single-quotes do. I wasn't trying to get you to run num2str, I was trying to get you to execute the part you had the actual question about.

    – beaker
    Mar 27 at 14:23














0












0








0








I have been sent some complete MATLAB script. It appears that author of this code has made a specific instruction using num2str and set_param .
What is the purpose of the following line:



['[' num2str(operating_point) ']']


I am interested specially of an intention of using '[' as syntax.



set_param(system_block_name, operating_point_name,...
['[' num2str(operating_point) ']']









share|improve this question
















I have been sent some complete MATLAB script. It appears that author of this code has made a specific instruction using num2str and set_param .
What is the purpose of the following line:



['[' num2str(operating_point) ']']


I am interested specially of an intention of using '[' as syntax.



set_param(system_block_name, operating_point_name,...
['[' num2str(operating_point) ']']






string matlab type-conversion string-concatenation






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 26 at 8:08









SecretAgentMan

1,4429 silver badges24 bronze badges




1,4429 silver badges24 bronze badges










asked Mar 25 at 18:55









PomaranczkaPomaranczka

31 bronze badge




31 bronze badge







  • 5





    Have you looked at the help mathworks.com/help/matlab/ref/num2str.html and tried using it in MATLAB?

    – Navan
    Mar 25 at 18:58






  • 2





    Did you try creating a numeric variable operating_point and and executing that first line of code?

    – beaker
    Mar 25 at 19:23











  • Yes, yes. I do understand what does num2str . I was wondering why the author of that code used braces in apostrophe '[' and ']' , because I think it's unnecessary.

    – Pomaranczka
    Mar 26 at 21:24












  • Then you didn't actually try the command, or you would see what the single-quotes do. I wasn't trying to get you to run num2str, I was trying to get you to execute the part you had the actual question about.

    – beaker
    Mar 27 at 14:23













  • 5





    Have you looked at the help mathworks.com/help/matlab/ref/num2str.html and tried using it in MATLAB?

    – Navan
    Mar 25 at 18:58






  • 2





    Did you try creating a numeric variable operating_point and and executing that first line of code?

    – beaker
    Mar 25 at 19:23











  • Yes, yes. I do understand what does num2str . I was wondering why the author of that code used braces in apostrophe '[' and ']' , because I think it's unnecessary.

    – Pomaranczka
    Mar 26 at 21:24












  • Then you didn't actually try the command, or you would see what the single-quotes do. I wasn't trying to get you to run num2str, I was trying to get you to execute the part you had the actual question about.

    – beaker
    Mar 27 at 14:23








5




5





Have you looked at the help mathworks.com/help/matlab/ref/num2str.html and tried using it in MATLAB?

– Navan
Mar 25 at 18:58





Have you looked at the help mathworks.com/help/matlab/ref/num2str.html and tried using it in MATLAB?

– Navan
Mar 25 at 18:58




2




2





Did you try creating a numeric variable operating_point and and executing that first line of code?

– beaker
Mar 25 at 19:23





Did you try creating a numeric variable operating_point and and executing that first line of code?

– beaker
Mar 25 at 19:23













Yes, yes. I do understand what does num2str . I was wondering why the author of that code used braces in apostrophe '[' and ']' , because I think it's unnecessary.

– Pomaranczka
Mar 26 at 21:24






Yes, yes. I do understand what does num2str . I was wondering why the author of that code used braces in apostrophe '[' and ']' , because I think it's unnecessary.

– Pomaranczka
Mar 26 at 21:24














Then you didn't actually try the command, or you would see what the single-quotes do. I wasn't trying to get you to run num2str, I was trying to get you to execute the part you had the actual question about.

– beaker
Mar 27 at 14:23






Then you didn't actually try the command, or you would see what the single-quotes do. I wasn't trying to get you to run num2str, I was trying to get you to execute the part you had the actual question about.

– beaker
Mar 27 at 14:23













1 Answer
1






active

oldest

votes


















1














In MATLAB rectangular braces [] create vector/matrix.
By default, horizontal vector of strings concatenated into 1 string:



['str1','str2'] % produces str1str2


So



['[',']'] % will print []


num2str() converts number into string:



a=10;
my_str = ['[',num2str(a),']'] % will assign my_str = '[10]'


set_param() is some function that gets 3 parameters, where 3rd one is your string






share|improve this answer






















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    1 Answer
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    active

    oldest

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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    1














    In MATLAB rectangular braces [] create vector/matrix.
    By default, horizontal vector of strings concatenated into 1 string:



    ['str1','str2'] % produces str1str2


    So



    ['[',']'] % will print []


    num2str() converts number into string:



    a=10;
    my_str = ['[',num2str(a),']'] % will assign my_str = '[10]'


    set_param() is some function that gets 3 parameters, where 3rd one is your string






    share|improve this answer



























      1














      In MATLAB rectangular braces [] create vector/matrix.
      By default, horizontal vector of strings concatenated into 1 string:



      ['str1','str2'] % produces str1str2


      So



      ['[',']'] % will print []


      num2str() converts number into string:



      a=10;
      my_str = ['[',num2str(a),']'] % will assign my_str = '[10]'


      set_param() is some function that gets 3 parameters, where 3rd one is your string






      share|improve this answer

























        1












        1








        1







        In MATLAB rectangular braces [] create vector/matrix.
        By default, horizontal vector of strings concatenated into 1 string:



        ['str1','str2'] % produces str1str2


        So



        ['[',']'] % will print []


        num2str() converts number into string:



        a=10;
        my_str = ['[',num2str(a),']'] % will assign my_str = '[10]'


        set_param() is some function that gets 3 parameters, where 3rd one is your string






        share|improve this answer













        In MATLAB rectangular braces [] create vector/matrix.
        By default, horizontal vector of strings concatenated into 1 string:



        ['str1','str2'] % produces str1str2


        So



        ['[',']'] % will print []


        num2str() converts number into string:



        a=10;
        my_str = ['[',num2str(a),']'] % will assign my_str = '[10]'


        set_param() is some function that gets 3 parameters, where 3rd one is your string







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Mar 25 at 20:42









        AlBaZAlBaZ

        262 bronze badges




        262 bronze badges


















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