how to call functions in matlab

Functions in Matlab can be called in several ways, depending on how you want to use them. Here are some examples of function calls in Matlab:

1. Simple function call:

main.m
output = myFunction(input);
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This is the most basic way to call a function in Matlab. myFunction is the name of the function you want to call, input is the argument(s) you want to pass to the function, and output is the result returned by the function.

2. Multiple input arguments:

main.m
output = myFunction(input1, input2, input3);
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If a function takes multiple input arguments, you can simply list them separated by commas.

3. Multiple output arguments:

main.m
[output1, output2, output3] = myFunction(input);
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You can also have a function that returns multiple values. In this case, you need to use square brackets around the variables that you want to receive the separate outputs.

4. Anonymous functions:

main.m
myFunction = @(x) x^2 + 2*x + 1;
output = myFunction(input);
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Anonymous functions are created on-the-fly and do not need to have a defined name. In this example, we create an anonymous function that takes one argument x, which is then used within the function's definition. The resulting function is then assigned to myFunction. We can then call this function with input.

These are just a few examples of how to call functions in Matlab. The syntax for function calls can vary depending on the function's definition and how you want to use it.