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scidart_examples's Introduction

Scidart logo

SciDart is an experimental cross-platform scientific library for Dart.

🏹 Goals

The main goal of SciDart is run where Dart can run, in other words, run on Flutter, Dart CLI, Dart web, etc.

🏃 Motivation

Some time ago I tried make a guitar tuner (frequency estimator) with Flutter, and I faced with the problem: Dart didn't have a unified scientific library. So, I tried implement something to help me and the community with this problem.

🧭 PUB link

Link to the Pub repository: https://pub.dev/packages/scidart

🔌 Installation

You can follow instruction in the Pub website: https://pub.dev/packages/scidart#-installing-tab-

⚒ Examples

The examples can be found in the project web site.

🛣 Project milestones

All the project status will be shared and updated in the Projects section of Github.

🙌 How to contribute

I recommend check the Projects section and choose a task or choose and solve a problem with SciDart and implement the missing parts and read the file CONTRIBUTING.md.

The reference values for all functions came from with SciPy. The contributions need use SciPy as reference too.

Every contribution need to have tests, documentation and examples, otherwise, the pull request will be blocked.

☕ Supporters

Scidart is an open source project that runs on donations to pay the bills e.g. our domain name. If you want to support Scidart, you can ☕ buy a coffee here.

⚠ License

Copyright (c) 2019-present Angelo Polotto and Contributors. Scidart is free and open-source software licensed under the Apache-2.0 License. The official logo was created by Juliano Polotto and distributed under Creative Commons license (CC BY-SA 4.0 International).

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scidart_examples's Issues

FFT for 2d array

Is there an equivalent for the Python FFt function fftconvolve(in1, in2) from the scipy library?
I need this for 2 equal sized 2D arrays.
Unfortunately I couldn't find anything suitable.

Here is the function description from the Python library

"""Convolve two N-dimensional arrays using FFT.

Convolve `in1` and `in2` using the fast Fourier transform method, with
the output size determined by the `mode` argument.

This is generally much faster than `convolve` for large arrays (n > ~500),
but can be slower when only a few output values are needed, and can only
output float arrays (int or object array inputs will be cast to float).

As of v0.19, `convolve` automatically chooses this method or the direct
method based on an estimation of which is faster.

Parameters
----------
in1 : array_like
    First input.
in2 : array_like
    Second input. Should have the same number of dimensions as `in1`.

Returns
-------
out : array
    An N-dimensional array containing a subset of the discrete linear
    convolution of `in1` with `in2`.

How to make piano tuner

I'm trying to make a piano tuner

Using sound_ Stream for recording

How to convert PCM 16bit mono uint8list to audio,

I'm trying to compare audio frequencies

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