The study and application of differential equations in pure and applied mathematics, physics, meteorology, and engineering. | Contact experts in Differential Equations to get answers
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Questions related to Differential Equations
In differential equation, there are two types of solutions that is, quantitative solution and qualitative solution. 1. What is quantitative solution of DE? 2. What is qualitative solution of...
23 January 2016 9,849 3 View
I have a sinusoidal input signal with a known amplitude and frequency. My objective is to calculate the rotary displacement and velocity (RPM). This is usually done with a first order time lag for...
06 January 2016 9,311 1 View
When I study the properties of autonomous differential equation, they said that the solutions to the autonomous equations are monotonus functions. I can't undestand what is monotonus...
01 January 2016 7,327 11 View
01 January 2016 2,276 1 View
In stability analysis, mostly we use lyapunov type stability. What is the importance or advantage of Lyapunov stability?
01 January 2016 2,897 6 View
01 January 2016 2,928 4 View
Midconvex functions that are not convex are not Lebesgue measurable
01 January 2016 9,238 4 View
I intend to fit the exact solution of a time-fractional diffusion equation to experimental data.
01 January 2016 9,744 2 View
I have seen an equation about Hankle function,but I don't know why?$(\frac{\partial^2 }{\partial r^2}+\frac{1}{r}\frac{\partial}{\partial r}+\beta )H^{(1)}_{0}(\sqrt{\beta}...
01 January 2016 4,230 5 View
I am more interested in differential equation models.
01 January 2016 9,075 2 View
I am trying to model polymerization of Polyethylene using PMGM Model. I do not have experience of programming for solving ODEs. The paper I am referring to uses the above-mentioned method to solve...
01 January 2016 7,012 3 View
Some problems of differential equations could be reduced to fixed points of mappings between Banach spaces of different dimensions, in which case the classical Leray-Schauder degree does not...
01 January 2016 6,057 4 View
Is constant of integration must be real? Suppose the constant of integration is complex then what happened? To next question, please see the file attachment
01 January 2016 7,949 4 View
Salam, I need examples of fractional riccati equation with( known particular solution) Regards,.
01 January 2016 592 6 View
Hi, For a linear complex differential equation f^(k)+A_(k-1) f^(k-1)+...+A_0 f=0, the coefficients A_j are of finite (p,q)-order, I need to know the conditions on the coefficients that make all...
26 December 2015 7,548 2 View
I want to know how to build the fast decaying solution for (-\Delta)^\alpha u=u^p in R^N\setminus {0} where p>\frac{N}{N-2\alpha}. Here fast decay means the solution hjas decaying rate...
23 December 2015 7,605 5 View
how is improved euler method better in solving differential equations than the euler method?
23 December 2015 6,388 6 View
a function f(x,y) Any suggestion of a function f(x,y) such that the partial derivative with respect to the variable x is ax and with respect to the variable y is bx?
15 December 2015 3,932 4 View
If we have a data set which has three independent variables and one dependent, the question here is how we can fit a differential equation that describes the these variables.
13 December 2015 5,931 8 View
12 December 2015 4,362 2 View
I need to know its objectives also.
12 December 2015 4,171 6 View
https://en.wikipedia.org/wiki/Heun%27s_method http://web.ics.purdue.edu/~cumming3/Portfolio/pdf/ME380Q_Numerical_methods_HW1.pdf http://tutorial.math.lamar.edu/Classes/DE/EulersMethod.aspx
12 December 2015 6,952 9 View
12 December 2015 6,104 7 View
12 December 2015 3,089 6 View