Since signal processing and control systems go hand in hand (to a certain extent) I think it'll be a good starting point. I think we could port this discussion to the issue #18460. Thank you.
On Sunday, January 26, 2020 at 1:51:21 AM UTC+5:30, Oscar wrote: > > There have been proposals to add a control theory module. See here for > a recent revival of that: > https://github.com/sympy/sympy/issues/18460 > > Would that be a good place to put some of the ideas you are suggesting? > > On Fri, 24 Jan 2020 at 13:17, Chanakya Ajit Ekbote <[email protected] > <javascript:>> wrote: > > > > There are certain functionalities of SymPy such as solving differential > equations, transform calculus, integral calculus etc. that a user may use > in order to use SymPy for Signal Processing (SP) as well as Control System > (CS) applications, however he/she has to entirely code a new method or > function that is specific to his/her domain. Moreover, it would require a > person with a decent amount of coding knowledge in order to implement the > application they want. In addition to that a researcher or a student would > just want to enter an expression and get the output he/she wants. Hence I > propose the following: > > > > Phase 1: The goal of Phase 1 would be to use SymPy's own existing > methods for simple SP and CS applications. > > We update the existing packages such as plotter, transform calculus, > solvers etc . in order to cater to SP and CS needs. For example, we'd have > to add pole zero plots, magnitude response plots, phase response plots to > the plotter package. The alternative would be to create a new package that > caters specifically to the needs of SP and CSA. This package would have > methods that compute the magnitude response, phase responses, bode plots, > phase plots, magnitude plots etc. > > The developments in this phase would target an intermediate student or a > novice researcher for basic functionalities. > > > > > > Phase 2: We develop new functionalities for SP and CS applications. > > We would be implementing DFT, Z Transform, Wavelet Transform, Fourier > Bessel Transform etc which can be calculated using the calculus as well as > transform libraries. > > In addition to that solving differential equations could be done in the > Laplace, Fourier or Z Domain (depending on the application), and the steps > could also be displayed (which would help a student a lot). > > The developments in this phase would target an intermediate researcher > for advanced functionalities. > > > > > > Phase 3: Add GUI functionalities as well as simulators > > We could add a GUI Bond Graph Tool that would help researchers define a > system easily and obtain the response. > > Moreover we could also add a simulator that correctly simulates the > output, given certain boundary value conditions. > > > > This is just a rough outline of what I believe would be the ideal > approach. All suggestions are welcome, and these phases would be tweaked > after the discussion. > > > > I had already started working on Phase 1: The link to the PR is click > here. > > > > > > > > > > > > On Thursday, January 23, 2020 at 10:46:08 AM UTC+5:30, Chanakya Ajit > Ekbote wrote: > >> > >> I feel that a new package that focuses on signal processing is required > in SymPy as there are a lot of functionalities that SymPy provides that are > not present in other conventional signal processing libraries. Please refer > to the discussion: > https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/sympy/bRmTmiPYe5I/Wu7FABFtAwAJ > > as well as the PR #18419: https://github.com/sympy/sympy/pull/18419. > >> > >> ________________________________ > >> Disclaimer: This email and any files transmitted with it are > confidential and intended solely for the use of the individual or entity to > whom they are addressed. 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