例句與造句

1. The mathematically precise way this happens is detailed at covariance and contravariance of vectors.
2. See also Covariance and contravariance of vectors.
3. In some advanced contexts, a row and a column vector have different meaning; see covariance and contravariance of vectors.
4. In tensor analysis, superscripts are used instead of subscripts to distinguish covariant from contravariant entities, see covariance and contravariance of vectors and raising and lowering indices.
5. :Take a look at the Covariance and contravariance of vectors article, and in particular the talk ) 19 : 01, 18 March 2011 ( UTC)
6. It's difficult to find covariance and contravariance of vectors in a sentence. 用covariance and contravariance of vectors造句挺難的
7. However, if one changes coordinates, the way that coefficients change depends on the variance of the object, and one cannot ignore the distinction; see covariance and contravariance of vectors.
8. This article uses the summation convention for indices, see covariance and contravariance of vectors for background on raised and lowered indices, and raising and lowering indices on how to switch between them.
9. :In some linear-algebra topics, however, it appears that column and row vectors have different meanings ( that appear to have something to do with covariance and contravariance of vectors ).
10. A row vector representation is also legitimate, although in the context of general curvilinear coordinate systems the row and column vector representations are used separately for specific reasons  see Einstein notation and covariance and contravariance of vectors for why.