# PyGrad

Neural network library written in Python completely from scratch, using only numpy.

## Usage

```
import nn

a = nn.Tensor(1), b = nn.Tensor(2)
c = a.mul(b)
c.backward()

print(a.grad, b.grad) # should output (2, 1)
```

## References

- <https://github.com/geohot/tinygrad/>
- <https://github.com/karpathy/micrograd/>

## Copying

This is free and unencumbered software released into the public domain.