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# Differential Equations/Experts

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## Scott A Wilson

U.S.
Available
I am capable of solving most ordinary differential equations and a few not so ordinary, but those are few and far between.

## Abe Mantell

Available
Hello, I am a college professor of mathematics and regularly teach all levels from elementary mathematics through differential equations, and would be happy to assist anyone with such questions!

#### 2017-03-02 Graph:

Hello Ty,    Certainly it is an interesting problem to figure how the pricing was done...assuming there is  a formula or algorithm that generated it.  I would like to do some curve fitting and regression

#### 2017-02-12 Mathematical constants with units.:

Your example of Pi (ratio of the circumference to the diameter of a circle) clearly has no units. (it does not depend on the units used to measure the circumference and diameter of the circle)  It is the

#### 2017-01-15 Solve for x:

Hello John,    This cannot be solved for analytically in terms of elementary functions.    I did solve it numerically to obtain a very good approximation.  x=-40.7459009034... The attached graph shows

#### 2017-01-09 ODE:

Hello Giulia,    As far as I know, this has no general solution in terms of elementary functions.    A computer algebra system (Maple) gives the following result:  y(x) = KummerM((1/2)*e/b, 1/2, b*(d-x)^2/a^2)*_C2+KummerU((1/2)*e/b

#### More Answers in Category Differential Equations

Differential Equations