https://github.com/luizperes/derivatives

Take simple derivatives in Haskell
https://github.com/luizperes/derivatives

Last synced: about 1 month ago
JSON representation

Take simple derivatives in Haskell

• Host: GitHub
• URL: https://github.com/luizperes/derivatives
• Owner: luizperes
• License: gpl-3.0
• Created: 2018-02-23T05:19:01.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2018-02-25T08:15:03.000Z (almost 7 years ago)
• Last Synced: 2024-11-05T11:54:40.144Z (3 months ago)
• Language: Haskell
• Size: 19.5 KB
• Stars: 4
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# Derivatives

> Take simple derivates in Haskell.

### How does that work?

- `1`: Equation applied to var

- `2`: AST

- `3`: Derivative Rules

- `4`: AST simplifier

- `5`: New equation

`(1) -> (2) -> (3) -> (4) -> (5)`

### Usage

- `ghc deriv.hs`

- `./derive  ` _// see [Examples](#examples)_

### Examples

`x^7*4` (canonical form: `4x^7`)

```

./deriv x**7*4 x

----- Output

28*x**6

```

`x^7*4^2` (canonical form: `16x^7`)

```

./deriv x**7*4**2 x

----- Output

112*x**6

```

`4-3*x` (canonical form: `-3x+4`

```

./deriv 4-3*x x

----- Output

-3

```

`4*x-3*x^3` (canonical form: `-3x^3+4x`)

```

./deriv 4*x-3*x**3 y

----- Output

0

```

`4*x*y-3*x^3` (canonical form: `4xy-3x^3`

```

./deriv 4*x*y-3*x**3 y

----- Output

4*x

```

### Info

Many derivatives (such as trigonometric derivatives) are not (yet) implemented. Feel free to add them.

### Help

Pull requests are welcome :)