Returns a view of input as a real tensor. For an input complex tensor of size m 1 , m 2 , … , m i m1, m2, \dots, mi m1,m2,…,mi, this function returns a new real tensor of size m 1 , m 2 , … , m i , 2 m1, m2, \dots, mi, 2 m1,m2,…,mi,2, where the last dimension of size 2 represents the real and imaginary components of complex numbers.
Warning
view_as_real() is only supported for tensors with complex dtypes.
input (Tensor) – the input tensor.
Example:
>>> x=torch.randn(4, dtype=torch.cfloat)
>>> x
tensor([(0.4737-0.3839j), (-0.2098-0.6699j), (0.3470-0.9451j), (-0.5174-1.3136j)])
>>> torch.view_as_real(x)
tensor([[ 0.4737, -0.3839],
[-0.2098, -0.6699],
[ 0.3470, -0.9451],
[-0.5174, -1.3136]])
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