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]> 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. If you have received this email in error please notify the system >> manager. This message contains confidential information and is intended only >> for the individual named. If you are not the named addressee you should not >> disseminate, distribute or copy this e-mail. Please notify the sender >> immediately by e-mail if you have received this e-mail by mistake and delete >> this e-mail from your system. 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