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Questions - differential-equations

Julia Differential Equations suppress warning of detected instabilities

I have a program that simulates the paths of particles using the Differential Equations package of Julia. The simulation allows for particles to hit devices - to prevent the continued simulation of su...
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MetaColon

julia

differential-equations

suppress-warnings

differentialequations.jl

Votes: 0

Answers: 2

Latest Answer

There is Suppressor.jl, although I don't know whether this reduces the overhead you get from the warnings being created, so a DiffEq-specific setting might be the better way to go here (I don't know m...
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Nils Gudat

List handling in GEKKO python

i'm currently working on a model of a distillation flask for a university project, the phisical problem is described by a DAE system, and i'm trying to solve it using GEKKO. I'm facing a problem with ...
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Patrick23

python

arrays

list

differential-equations

gekko

python

arrays

list

differential-equations

gekko

Votes: 0

Answers: 1

Latest Answer

There are two different methods for obtained the value of zv. Option 1: Initialization Calculation The first method is to use floating point numbers to obtain a single calculation that can be used for...
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John Hedengren

How to fix this error: unsupported operand type(s) for ** or pow(): 'tuple' and 'int'

I am trying to solve an ODE with two variables. I do not understand why or how I have created a tuple here. The function f should be f = 10 - x - (4xy / 1+x^2) Could anyone help with this? def RK_step...
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Tubbit

python

differential-equations

runge-kutta

Votes: 0

Answers: 2

Latest Answer

Here: x_array.append(RK_step(f, g, x_array[-1], y_array[-1], t, dt)) y_array.append(RK_step(f, g, x_array[-1], y_array[-1], t, dt)) RK_step returns a tuple. You are putting a tuple into x_array and i...
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khelwood

Solving a coupled 2nd order DE with linear algebra

I am trying to numerically solve a coupled second order differential equation that describes the rate of a reversible equation between two substances A and B. where k- and k+ are the rates of conv...
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StrugglingPhysicist

c

linux

linear-algebra

differential-equations

Votes: 0

Answers: 0

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