README.Rmd

---
output: github_document
---

<!-- README.md is generated from README.Rmd. Please edit that file -->

```{r, include = FALSE}
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>",
  fig.path = "man/figures/README-",
  out.width = "100%"
)
```

# mathmodels

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The goal of mathmodels is to create a mathematical modeling toolbox with R, implement common mathematical modeling algorithms: evaluation, 
  optimization, prediction, dynamics, graph theory, statistics, 
  intelligence, etc.
  
**Attention:** The package is currently only a very very early version!

## Installation

You can install the latest development version of `mathmodels` directly from
[GitHub](https://github.com/zhjx19/mathmodes) use: 

``` r
library(devtools) 
devtools::install_github("zhjx19/mathmodels")
```
Or download to current path, unzip and use:

``` r
install.packages("mathmodels-master", repos=NULL, type="source")
```

## Example

This is a basic example which shows you how to solve a AHP problem:

```{r example}
library(mathmodels)
# pairwise comparison matrix
A = matrix(c(1,   1/2, 4, 3,   3,
             2,   1,   7, 5,   5,
             1/4, 1/7, 1, 1/2, 1/3,
             1/3, 1/5, 2, 1,   1,
             1/3, 1/5, 3, 1,   1), byrow = TRUE, nrow = 5)
# return: Weight vector, Consistency ratio, Maximum eigenvalue, Consistency index
AHP(A)
```