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Thread: How to write a function out of this equation

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    Question How to write a function out of this equation

    $$x = \exp \Big(C(z-y-w)\Big)$$

    Is it possible to rearrange the right side to look like a straightforward function as

    $$x = f(y)$$?
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    Re: How to write a function out of this equation

    Quote Originally Posted by brianx View Post
    $$x = \exp \Big(C(z-y-w)\Big)$$

    Is it possible to rearrange the right side to look like a straightforward function as

    $$x = f(y)$$?
    I'm not clear on what you are asking. Assuming w and z are variables then the answer is no. If w and z are constants then you could rearrange this as
    $\displaystyle x = e^{C(z - w)} \cdot e^{-Cy} = K e^{-Cy}$ where $\displaystyle K = e^{C(z - w)}$ is a constant.

    -Dan
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