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Python Framework for Ising Model

Project description

Wildqat Python SDK
--------
Python Framework for QUBO

Version
--------
0.5.4

Install
--------------------

```
$ pip3 install wildqat
```

or

```
$ git clone https://github.com/mdrft/Wildqat.git
$ python setup.py install
```

Example
-------

```python
import wildqat as wq
a = wq.opt()
a.qubo = [[4,-4,-4],[0,4,-4],[0,0,4]]
a.sa() #=> [1, 1, 1]
print(a.E[-1]) #=>[0.0]
```

Energy Function
-------
Energy function of the calculation is stored in attribute E as an array.
```python

print(a.E[-1]) #=>[0.0]

#if you want to check the time evolution
a.plot()
```

Functions
-------

sel(N,K,array)
Automatically create QUBO which select K qubits from N qubits
```python
print(wq.sel(5,2))
#=>
[[-3 2 2 2 2]
[ 0 -3 2 2 2]
[ 0 0 -3 2 2]
[ 0 0 0 -3 2]
[ 0 0 0 0 -3]]
```

if you set array on the 3rd params, the result likely to choose the nth qubit in the array
```python
print(wq.sel(5,2,[0,2]))
#=>
[[-3.5 2. 2. 2. 2. ]
[ 0. -3. 2. 2. 2. ]
[ 0. 0. -3.5 2. 2. ]
[ 0. 0. 0. -3. 2. ]
[ 0. 0. 0. 0. -3. ]]
```

net(arr,N)
Automatically create QUBO which has value 1 for all connectivity defined by array of edges and graph size N
```python
print(wq.net([[0,1],[1,2]],4))
#=>
[[0. 1. 0. 0.]
[0. 0. 1. 0.]
[0. 0. 0. 0.]
[0. 0. 0. 0.]]
```
this create 4*4 QUBO and put value 1 on connection between 0th and 1st qubit, 1st and 2nd qubit


Tutorial
----------

日本語
https://github.com/mdrft/Wildqat/tree/master/examples_ja

Authors
----------
<a href="https://github.com/minatoyuichiro">Yuichiro Minato</a>(MDR), <a href="https://github.com/Morning777">Asa Eagle</a>(MDR), [Satoshi Takezawa](https://github.com/takebozu)(TerraSky), [Seiya Sugo](https://github.com/seiya-sugo)(TerraSky)

Disclaimer
----------
Copyright 2018 The Wildqat Developers.

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