The result g is still a symbolic variable or symbolic constant in “Maple”. problem with subs function . separate functions or sub-functions . Viewed 554 times 0. subs(s) returns a copy of s, replacing symbolic variables in s, with their values obtained from the calling function and the MATLAB ® Workspace, and then evaluates s.Variables with no assigned values remain as variables. Learn more about symbolic toolbox, subs Functions work in scripts in R2016b or later. Active 3 years, 8 months ago. Script files cannot have the same name as a function in the file. The name of the file must match the name of the first function in the file. alternatively, I also can save each sub-function as a separate .m file, and then invoke them in the main function. Then you can use the general subs command g=subs(f,old,new) which in our cases would be g=subs(f,x,c) or g=subs(f,x,x0). In a script file which contains commands and function definitions. Learn more about functions, subfunctions, homework Usually, I keep the function and the sub-functions in one .m file. Here old, new can be arrays. But I run into the issue when I want to pass the variable list of arguments into a SUB-subfunction, for example. This six and a half minute video shows a function being created in MATLAB, then it shows a subfunction being added. Learn more about function, subfunction MATLAB Example 1: Consider a function of the two Cartesian coordinates f(x, y) = 2xy/(x 2 + y 2) 2. Ask Question Asked 3 years, 9 months ago. Define a variable and use it in all sub-function on Matlab. my question is what the difference between this two way. Based on the question it seems "Scores" is a N*3 matrix (N shows number of students). Is there any way to define a variable in main function and use it in all sub-function. Functions are supported in scripts in R2016b or later. 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