What you show above seems reasonable for the function definition. Show us how you are calling this function - that might be what's causing your error.qiyan31 said:I tried to make a user-defined function.
function Ht=Height(t,V,Theta);
Ht=V*t*sin(Theta)-4.9*t.^2;
but then i kept on getting Input argument "V" is undefined...
can someone help me please
Mark44 said:What you show above seems reasonable for the function definition. Show us how you are calling this function - that might be what's causing your error.
This doesn't make any sense to me. Use the function you wrote (the Height function) to calculate height, and then pass the value returned by that function as the first parameter in your fminbnd function.qiyan31 said:Here's the function.
Ht=fminbnd(@Height,0,5000,V,Theta);
To create a user-defined function in Matlab, you can use the "function" keyword followed by the function name and input arguments. The function code should be enclosed in a pair of parentheses and end with the keyword "end". For example:
function [output] = myFunction(input)
% function code goes here
end
A user-defined function allows you to create a custom set of code that can be reused multiple times within a program. This can help to simplify complex tasks and make code more organized and modular. It also allows for easier debugging and maintenance of code.
To call a user-defined function in Matlab, you simply use the function name followed by the input arguments within parentheses. For example:
output = myFunction(input)
Yes, a user-defined function in Matlab can have multiple output variables. These can be specified within square brackets after the function name, separated by commas. For example:
function [output1, output2] = myFunction(input)
% function code goes here
end
You can use the "varargin" keyword within the input arguments of a user-defined function to allow for a variable number of inputs. The function code can then use the "nargin" keyword to determine the number of input arguments and handle them accordingly. For example:
function output = myFunction(varargin)
numInputs = nargin; % number of input arguments
% function code goes here
end