pytorch的mylinear类

class Mylinear(nn.Module):
    def __init__(self, inp, outp):
        super(MyLinear, self).__init__()
        #require_grad = True
        self.w = nn.Parameter(torch.randn(outp, inp))
        self.b = nn.Parameter(torch.randn(outp))
    def forward(self, x)
        x = x @ self.w.t() + self.b
        return x