在numpy的,我可以做一個簡單的矩陣乘法這樣的:怎麼辦矩陣的點積在PyTorch
a = numpy.arange(2*3).reshape(3,2)
b = numpy.arange(2).reshape(2,1)
print(a)
print(b)
print(a.dot(b))
然而,當我想這跟PyTorch張量,這不起作用:
a = torch.Tensor([[1, 2, 3], [1, 2, 3]]).view(-1, 2)
b = torch.Tensor([[2, 1]]).view(2, -1)
print(a)
print(a.size())
print(b)
print(b.size())
print(torch.dot(a, b))
此代碼引發以下錯誤:
RuntimeError: inconsistent tensor size at /Users/soumith/code/builder/wheel/pytorch-src/torch/lib/TH/generic/THTensorMath.c:503
任何想法如何簡單的點積可以P中進行yTorch?