Function output is only ans, how do it get output as variable?

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Hi, I know this is probably a simple fix, but i just started using MATLAB, and am having trouble getting my function to output something other than ans. Here is my code, the input that I am using is x=(0:.01:50) and r=.5:

function [y,dy] = func(x,r)

    y=((1+r)*exp((x)))./(1+(r*(exp((1+r)*((x))))));
    dy= ((1+(r*(exp((1+r)*((x)))))* (diff(((1+r)*exp((x)))))-((1+r)*exp((x)))* diff((1+(r*(exp((1+r)*((x)))))))))/((1+(r*(exp((1+r)*((x))))))^2);

end

since I am defining y and dy, I thought each answer would be in its own matrix.

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Jan 2014-10-26

Star Stride hit the point: You have to call your function exactly as you assign the values to y and dy in your code and as you use the built-in functions exp, +, *, ./, diff and ^.

Such basic questions are explained exhaustively in teh Getting Started chapters of the documentation. It is recommended to study them carefully.

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