A zero tensor is a tensor with all entries equal to zero.
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tensor.
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velocity is contravariant tensor becasue displacement tensor is
contravariant.
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Stress is a tensor because it affects the datum plane. When this
is affected and it changes, it is then considered a tensor.
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I'm not entirely sure, but I think the tensor contraction over
these two tensors should give back the identity. For example: If
the resistivity tensor is a 2x2 matrix, then the conductivity
tensor is the inverse of this matrix.
With centrally planned on the left and free market on the right which of the following countries economic systems would be farthest to the right on the continuum of mixed economies