Curl 3
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All Comments (33)
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Thank you sir. The video was helpful. Thank you very much
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what do you use to draw the vector field?
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1 man used the cross product to find out divergence.
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Thank you Sal for all the wonderful videos, your lectures can be understood by anyone, anywhere. Thank you for caring about us :)
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thanks now i understand the vagina more. Ur digram helps. Atoms=vagina
1 year ago 4
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@ooker777en Because of this method of finding determinant( called Cofactor expansion ) read more here ( dot ) wikipedia (dot ) org/wiki/Cofactor_expansion
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@j0rdan2k You are right. From wikipedia - "At every point in the field, the curl is represented by a vector. The attributes of this vector (length and direction) characterize the rotation at that point." It would be more precise to write like you propose.
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shouldn't the curl be (0,0,2)?
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@Kurtlane yup you are right.. but It doesn't mean the particle would jump up or down.. it just means that the rotation is about the z axis (or the k direction) which is in tune with our intuition (for a particle in x-y plane)..
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@khanacademy you are really good... people like me are really grateful to you...thank you so much..
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simply amazing
keep up the good work
yawabsh 3 years ago 12
It's always fun to interpret a vector field to death hahaha...another great video
jhanstra 2 years ago 7