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Thread: Formula of a decreasing upward curve

  1. #1
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    Question Formula of a decreasing upward curve

    Hi!

    To graph a hypothetical stock price where the price is increasing but at a decreasing rate of change, I beed the general formula for the graph below:

    Formula of a decreasing upward curve-sample.jpg

    Thank you!

    Doctor TR
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  2. #2
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    Re: Formula of a decreasing upward curve

    Quote Originally Posted by DoctorTR View Post
    To graph a hypothetical stock price where the price is increasing but at a decreasing rate of change, I beed the general formula for the graph below: Click image for larger version. 

Name:	Sample.jpg 
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    Do you have a question? If so, please explain.
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  3. #3
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    Re: Formula of a decreasing upward curve

    Quote Originally Posted by Plato View Post
    Do you have a question? If so, please explain.
    Dear Plato,

    My question is "What is the general formula?"

    For example, for a graph where the price is increasing at an increasing rate, the formula is: f(x) = x^n, where n is a value such as 1.5.

    Doctor TR
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    Re: Formula of a decreasing upward curve

    Quote Originally Posted by DoctorTR View Post
    My question is "What is the general formula?" For example, for a graph where the price is increasing at an increasing rate, the formula is: f(x) = x^n, where n is a value such as 1.5.
    It seems that you want functions that are increasing concave down.
    There are many, many,
    Look at arctan(x).

    Look at $\sqrt{x}$
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  5. #5
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    Re: Formula of a decreasing upward curve

    Quote Originally Posted by Plato View Post
    It seems that you want functions that are increasing concave down.
    There are many, many, ...
    Dear Plato,

    Thank you for your reply.

    SQRT(X) is just what I was looking for.

    Doctor TR
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