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Differential Equations/Expert Profile

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Scott A Wilson

U.S.

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Expertise

Most ordinary differential equations.

Experience in the area

I have taken Differential Equations at OSU. Occasionally I have assisted people with questions on the subject.

Publications

In the paper where MS students publish a thesis on shock waves and rarefaction fans.

Education/Credentials

MS at OSU in Mathemematics. MS at OSU in Mathematical Science.

Awards and Honors

Graduation with honors for my BS and MS.

Past/Present Clients

I answered many questions at OSU, down in south seattle at a college, at a church in Corvallis, OR, as Safeway in Washington, and many other areas. I have had several thousand right here.

What do you like about this subject?

I have heard that it seems like fun to differentiate on contact.

What do you still hope to achieve/learn in this field?

How to solve more than ordinary differential equations of the first order.

Something interesting about this subject that others may not know:

Id doesn't take much to make solving differential equations quite complicated.

Something controversial or provocative about this subject

Some write the derviative of y as y' while other write it as dy/dx. That may not be that controlversial, but at least this block has been filled.

Average Ratings

Recent Reviews from Users

User	Date	K	C	T	P	Comments
Ebudo	11/14/09	10	10	10	10	thanks a lot...
kaleshni	10/13/09	10	10	10	10	thanks very much for the answers to .....
neetu	10/09/09	10	10	10	10	Thanks Scott for the prompt reply.It .....
Olivia	10/06/09	10	10	10	10	thanks, you are a life saver :)
FazeeL	10/05/09	10	10	10	10	thnx!

Recent Answers from Scott A Wilson

2009-11-09 differential equations:

Yeah, its all coming back to me now on how to really solve these things. 1. xyy' + y² = x². Note that when both sides are multiplied by 2, we get x(2yy') + 2y² = 2x². The left side can be seen to

2009-10-31 differential calculas:

Then it was (4-5x²)^(4/3). This is (f(x))^(4/3) where f(x) = 4-5x². The derivative is (4/3)•(f(x))^(1/3)•f'(x), and f'(x) = -10x. Putting the f'(x) out front and multipling th -10 by 4 gives us (-40/3)x•f'(x)•f(x)^(1/3)

2009-10-08 probability:

This sounds like an exponential distribution with L=1/4 where L is for lambda. Since the distribution is f(x) = Le^(-Lx), the cumulative distribution is 1 - e^(-Lt) for x being between 0 and t.

2009-10-06 Ordinary Differential Equation:

The equation is y" - 8y' + 18y = 4e^(4x) + 3x^3. The simplest solution that can be found would be y = Ae^(4x) + Bx³ + Cx² + Dx + C. This leads to y' = 4Ae^(4x) + 3Bx² + 2Cx + D. We then get y" = 16Ae^(4x)

2009-10-06 ordinary differential equations:

Again, I' not quite sure this is right, but here goes. You can look at it and tell me what you think. If you get a better way to do it, let me know. Let L be litres and G be grams. The amount of

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