rk4 0.2.0

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rk4 #

pub package

The fourth order runge kutta method is used to solve the first and second order differential equations

Usage #

To use this plugin, add rk4 as a dependency in your pubspec.yaml file.

Example #

// Import package
import 'package:rk4/rk4.dart';
import 'package:flutter/material.dart';

    xInit: 0,
    yInit: 0,
    criticalValue: 1,
    k1: (x, y) => 1 - y,
  ).run().forEach((rr) {
    print("------ x: ${rr.x} y: ${rr.y}");

        xInit: 0,
        yInit: -0.4,
        yDInit: -0.6,
        l1: (x, y, yd) => pow(e, 2 * x) * sin(x) - 2 * y + 2 * yd,
        criticalValue: 1,
      .forEach((rr) {
    print("------ x: ${rr.x} y: ${rr.y}");

0.2.0 #

  • add next method

0.1.0 #

  • The fourth order runge kutta method is used to solve the first and second order differential equations

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:

  rk4: ^0.2.0

2. Install it

You can install packages from the command line:

with Flutter:

$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:rk4/rk4.dart';
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Learn more about scoring.

We analyzed this package on Jan 19, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.0
  • pana: 0.13.4
  • Flutter: 1.12.13+hotfix.5

Health suggestions

Fix lib/rk4.dart. (-0.50 points)

Analysis of lib/rk4.dart reported 1 hint:

line 3 col 8: Unused import: 'package:flutter/foundation.dart'.

Maintenance suggestions

Maintain an example. (-10 points)

Create a short demo in the example/ directory to show how to use this package.

Common filename patterns include main.dart, example.dart, and rk4.dart. Packages with multiple examples should provide example/README.md.

For more information see the pub package layout conventions.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.8
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies