diagonal()

Vec< SDef > syten::STensorImpl::diagonal

(

STensor const &

in

)

Returns the diagonal entries of the rank-2 input tensor.

Remarks

As this function outputs a scalar vector, autodifferentiation information is lost.

References if_constexpr, syten::STensorImpl::STensor::rank(), SYTEN_ASSERT, SYTEN_TENSOR_RANK, and syten::STensorImpl::STensor::visit().

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