例句與造句

1. This question comes from this discussion of vector identities on the K鯩aL forum.
2. Taking a curl of both sides and applying a few vector identities, the result is
3. The first of the previous vector identities is also known as the "'problem of Sylvester " '.
4. Of course, everyone also knows a way to prove all these vector identities in a different way : this is using coordinates.
5. :: : : : : To riff on that last bit, I suppose I can do away with my O n by simply requiring the vector identity n  = x.
6. It's difficult to find vector identity in a sentence. 用vector identity造句挺難的
7. Finally, prove the resulting scalar identity using the method for polynomial identities; or prove the identity of each of the three coordinates this way if the original formula was a vector identity.
8. Though one can often replace del with a vector and obtain a vector identity, making those identities mnemonic, the reverse is " not " necessarily reliable, because del does not commute in general.
9. Besides expanding to coordinates, there are other method you can use if you want to prove a vector identity by hand, but that don't reduce to just replacing subexpressions of the expressions using axioms.
10. Thanks to these vector identities, the incompressible Euler equations with constant and uniform density and without external field can be put in the so-called " conservation " ( or Eulerian ) differential form, with vector notation: