differential-equations

相关标签：javascript jquery android 多少钱 iPhone

event location questions in MATLAB

Suppose in matlab the following: [t, x, te, xe, ie] = ode15s(@myfunc, [tStart开发者_高级运维 tFinal], x0, odeset(\'Events\', @events));[详细]

2023-04-11 15:18 分类：问答
Find zeros for solutions to differential equations in Mathematica

Given the following code: s := NDSolve[{x\'\'[t] == -x[t], x[0] == 1, x\'[0] == 1}, x, {t, 0, 5 }] Plot[Evaluate[{x[t]} /. s], {t, 0, 3}][详细]

2023-04-10 05:01 分类：问答
is there a c++ library for ordinary differential equation (ODE) solvers?

More specifically, i\'m interested in 8th order Dormand开发者_如何学JAVA-Prince embedded method, it\'s based on Runge-Kutta, and stiff equations.[详细]

2023-04-10 04:07 分类：问答
How can I reference a specific point of my function inside NDSolve?

The problem: I am trying to solve this diffrential equation: K[x_, x1_] := 1; NDSolve[{A\'\'[x] == Integrate[K[x, x1] A[x1], {x1, 0, 1}],[详细]

2023-03-26 18:06 分类：问答
Second order nonlinear differential equations using MATLAB

I\'m trying to input a second order differential equatio开发者_C百科n to solve into matlab over x = 0 to x =1. I can\'t figure out how. Here\'s the equation:[详细]

2023-03-20 09:00 分类：问答
Python Database Structure and Updating Values and transition to GUI

Im working on a program in python that takes approximately 100 inputs and generates around 500 outputs.There are many calculations that have to be done in the middle and I am having several problems w[详细]

2023-03-16 07:30 分类：问答
How to obtain the numerical solution of these differential equations with matlab

I have differential equations derived from epidemic spreading. I want to obtain the numerical solutions. Here\'s the equations,[详细]

2023-03-08 00:49 分类：问答
parabolic partial differential equations

My application has some parabolic partial differential equations...which are inter-related and use some variables which the user inputs via a UI from a desktop application.[详细]

2023-01-28 17:34 分类：问答
Mathematica 2D Heat Equation Animation

I\'m working on mapping a temperature gradient in two dimensions and having a lot of trouble. My current approach is to define an Interpolating Function and then try to graph it a lot of times, then a[详细]

2023-01-28 11:45 分类：问答
Help with symplectic integrators

I\'m trying to develop a physics simulation and I want to implement a fourth-order symplectic integration method. The problem is that I must be getting the math wrong, since my simulation is not worki[详细]

2023-01-16 02:06 分类：问答