函数的偏导数和梯度 159-Partial Derivatives and the Gradient of a Function 10:57 向量场、散度和卷曲 160-Vector Fields, Divergence, and Curl 15:36 计算线积分 161-Evaluating Line Integrals 12:54 格林公式 162-Green's Theorem 06:37 计算曲面积分 163-Evaluating Surface Integrals 12:24 斯图...
mis-: divergence; defect; error, wrong, badly mis-, miso-: hatred mon-, mono-: one, alone, solitary, single morph-, morpho-: shape, form multi-, mult-: many, much my-, myo-: muscle myc-, myco-: fungus myel-, myelo-: spinal cord, marrow naso-: nose N nati-: birth ne-, ...
Find the curl and divergence of the vector field. \vec F (x,y,z) = e^x \ sin(y)\hat i + e^x \ cos(y) \hat j +z \hat k A random walk is represented by a vector beginning with 0 and for which each subsequent entry in the vector ...
This turns (1), (2) into a divergence-curl system that is elliptic at the linear level at least. Indeed if one takes the divergence of (1) using (2) one sees that and if one could somehow ignore the nonlinear term then we would get the required regularity on by standard elliptic ...
“. The first is called the “divergence”, and the second is called “curl”. Here’s what they mean. Divergence ( ) is a measure of how much a field comes together or flies apart. In what follows “ ” is the flow of water or wind. ...
Give an example of a for which A^t and 'A' have different eigenspaces. Prove that \text{div}( u \times v ) = v \cdot \text{curl} u - u \cdot \text{curl} v Explain what is algebra and give an example. Create a proof to show that the ...
I am new at coin collecting and there is so much that I don't understand. One item that that I can't seem to get a handle on is the "CAC" sticker on some of the slabbed, graded coins. They seem to fetch more money at auctions, but I don't know why. Can someone out there ...
“Dialogue, effects, and David Newman's bouncy music score were all clear of anydistortionor hiss.” Noun ▲ A departure from what is normal, usual, or expected, typically an unwelcome one Noun ▲ A fabricated story or statement, especially one intended to deceive ...
Why is it such a leap to think that some people who are assigned a gender can’t feel affirmed in it at all, especially when it was based on something as arbitrary as what’s between their legs, rather than the constellation of qualities and preferences that make up who ...
(in the plural) A short curl dangling over the temples, fashionable in the reign of Charles II. Favorite The competitor (as a horse in a race) that is judged most likely to win; the competitor standing highest in the betting. Favourite To favour. Favorite Regarded with particular affection...