Matlab varargin

Help Center Help Center. When you matlab varargin code, you see this error message:. At code generation time, the code generator must be able to determine the value of an index into varargin or varagout.

Help Center Help Center. Specify varargin by using lowercase characters. After any explicitly declared inputs, include varargin as the last input argument. When the function executes, varargin is a 1-by- N cell array, where N is the number of inputs that the function receives after the explicitly declared inputs. If the function receives no inputs after the explicitly declared inputs, then varargin is an empty cell array. Define a function in a file named acceptVariableNumInputs.

Matlab varargin

Help Center Help Center. This example shows how to define a function that accepts a variable number of input arguments using varargin. The varargin argument is a cell array that contains the function inputs, where each input is in its own cell. Create a function in a file named plotWithTitle. If the function receives an odd number of inputs, it assumes that the last input is a title. Call plotWithTitle with two sets of x , y inputs and a title. You can use varargin alone in an input argument list, or at the end of the list of inputs, such as. Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select:. Select the China site in Chinese or English for best site performance. Other MathWorks country sites are not optimized for visits from your location. Toggle Main Navigation. Search MathWorks. Open Mobile Search. Off-Canvas Navigation Menu Toggle.

Passing arguments to varargin.

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Matlab varargin

Help Center Help Center. Use this syntax in the body of a function only. When using an arguments validation block, the value returned by nargin within a function is the number of positional arguments provided when the function is called. If the function includes varargin in its definition, then nargin returns the negative of the number of inputs. For example, if function myFun declares inputs a , b , and varargin , then nargin 'myFun' returns If fun refers to a function that uses an arguments validation block, then the returned value is the number of declared positional arguments in the function definition as a non-negative value.

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Could you elaborate? Toggle Main Navigation. Other MathWorks country sites are not optimized for visits from your location. So obviously there's a bunch of programming you have to do as the developer to parse the elements of varargin , and make your code behave accordingly. Do you want to open this example with your edits? You may receive emails, depending on your communication preferences. Toggle Main Navigation. An Error Occurred Unable to complete the action because of changes made to the page. Main Content. Other MathWorks country sites are not optimized for visits from your location.

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The index into varargin must be a compile-time constant. MathWorks Answers Support. Edited: Stephen23 on 23 Feb Edited: sixwwwwww on 12 Oct Note: the actual plot function is actually even more flexible than this -- the above function declaration line is for illustration only. This example shows how to define a function that accepts a variable number of input arguments using varargin. I have a simulink project and I encounter a problem in calling the function adaptfilt. Select a Web Site Choose a web site to get translated content where available and see local events and offers. So obviously there's a bunch of programming you have to do as the developer to parse the elements of varargin , and make your code behave accordingly. Select the China site in Chinese or English for best site performance. Hopefully it is now correct. Start Hunting!