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Questions tagged [integrator]

64 questions
8
votes
3 answers

wso2ei-6.0.0 can not start in eclipse

I can not start wso2ei-6.0.0 in eclipse. The version I am using is developer-studio-ei-eclipse-jee-mars-2-win64-x86_64-1.0.0 version, jdk is 1.8.0. When I configure the server I select WSO2 Enterprise Integrator 6.0.0 others select defaults, I…
jack
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7
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3 answers

Is there a python module to solve/integrate a system of stochastic differential equations?

I have a system of stochastic differential equations that I would like to solve. I was hoping that this issue was already address. I am a bit concerned about constructing my own solver because I fear my solver would be too slow, and there could be…
CraigF
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6
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2 answers

Simulink: PID Controller - difference between back-calculation and clamping for anti-windup?

I need to implement an anti-windup (output limitation) for my PID controller. Simulink is offering two options: back calculation and clamping (documentation) which seem to deliver equal results. I know what back calculation is doing mathematically.…
Robert Seifert
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5
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1 answer

Boot from flash-rom with qemu-system-arm

Is it possible to emulate boot from flash memory using qemu-system-arm? (Using Integrator/CP motherboard) I'm able to boot using qemu's -kernel option, but if I try using an option such as -pflash, qemu generates an error telling me that I must use…
Joe D
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5
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5 answers

Integrator workflow, Is fetch-rebase-push safe for remote repos?

I'm managing a git repo using the integrator work flow. In other words, I pull commits from my co-workers, and push them out to the blessed repo. I'd like to keep the commit history linear for most cases, so is it OK to do a rebase instead of a…
cmcginty
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3
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1 answer

passed parameters to boost odeint in C++

This answer is helpful, but I would like to know how to pass multiple parameters of different types to the ODE model, perhaps in a struct. For my immediate use case, I need to be able to pass one std::array, two…
Stephen
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3
votes
0 answers

2nd order symplectic exponentially fitted integrator

I have to solve equations of motion of a charged particle under the effect of electromagnetic field. Since I have to deal with speed over precision I could not use adaptive stepsize algorithms (like Runge-Kutta Cash-Karp) because they would take too…
Giancarlo Mattia
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2
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0 answers

Autowired entity is null inside EventListener implementation

I have implemented post insert and post update event listeners using hibernate integrator. And listeners are working as expected. I need to call a service whenever that event is triggered, So I autowired that service and it is null. What am I…
Ashok Cj
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2
votes
1 answer

Phase space trajectories for Hindmarsh-Rose model

I am trying to plot the phase space trajectories for the Hindmarsh-Rose model. I have implemented an RK4 integrator to solve the following set of equations: The code that I have written so far is given below. import numpy as np import…
Julian
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2
votes
1 answer

Setup WSO2 Enterprise Integrator VFS connection towards Windows SFTP server

Running WSO2 Enterprise Integrator 6.5.0. on RHEL 7. We are in the proces of building flows to read files from an sftp server. But setting up the sftp connection towards a Windows SFTP server fails. We can access this Windows SFTP server correctly…
MadcowThaFirst
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2
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2 answers

How to Create a Ballerina Integrator project in vscode?

I am learning Ballerina programming language and I have to do Integrations with Ballerina,I have installed and trying everything with VSCode only. But unable to create a Ballerina Integrator Project with VSCode, it shows message like Successfully…
Sumathi
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2
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1 answer

How to input time steps in scipy.integrate.RK45

The implementation of scipy.integrate.RK45 does not specify where to mention the times at which the integration should be performed. The input option "t_bound" seems to be the final epoch. To integrate, one must use the "step" option, which has no…
Vishu Singh
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2
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1 answer

Parallel ODE integration using SciPy

I'm using SciPys integrate.ode module to integrate a large system (~8000 equations) of ODEs. Because I always have to do several of those with different parameters I parallelized it using the multiprocessing module, which seems to be working fine.…
obachtos
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2
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0 answers

Integrating in a simulation model

I'm using the program Dymola in this case. As you can see in the figure, we have our temperature goal (refTemp) and we are comparing this temperature with a temperature in the system(KvvTemp). Our goal is to differentiate these temperatures, then…
MHamid
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2
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1 answer

Define custom stepper for dynamic array in boost

How would I whip up a custom stepper for the ODE integrator in boost? I know how to do that for an array whose size is known at compile time. A simple implementation is like this #include #include using…
v923z
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