matlab app designer input time dependent function
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Hi everyone, I'm currently working on an app, in which you should be able to input a time dependent function in the app interface, for example 5*t as an input function for an ode45 integration.
Currently I'm using editfields, what only allows numerical values. Is there a way that i can put in a time dependent function in some kind of edit field for the usage of this function in the code?
3 Comments
Rik
on 4 Jul 2023
Without showing example code and example inputs it is tricky to help you debug this.
Answers (1)
Amit Dhakite
on 9 Aug 2023
Hi Marlon,
I understand that you would like to get a time dependent function as an input from the user which needs to be used for ode45 integration.
You can use “Text Area” to take the input of a time-dependent function. This input can then be converted into a string for evaluation. Once evaluated, it can be directly fed into the ode45 integration process.
For the issue regarding integration, you can:
- Make sure that the timespan over which you are integrating is correctly defined.
- Make sure that the user input is parsed and evaluated correctly.
A simple implementation to demonstrate this is attached here.
Hope this helps.
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