| 31. | The covariant derivative \ nabla _ a is defined to annihilate the tetrad E _ a ^ I.
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| 32. | Also listing the band's albums .-Nabla 16 : 49, 15 June 2007 ( UTC)
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| 33. | Where \ nabla denotes the gradient and \ cdot denotes the dot product in the two-dimensional plane.
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| 34. | With \ boldsymbol { \ nabla } the gradient operator and \ partial _ t the time derivative operator.
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| 35. | The nabla symbol is available in standard HTML as & nabla; and in LaTeX as \ nabla.
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| 36. | The nabla symbol is available in standard HTML as & nabla; and in LaTeX as \ nabla.
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| 37. | The nabla symbol is available in standard HTML as & nabla; and in LaTeX as \ nabla.
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| 38. | One alternative notation for the covariant derivative of any tensor is the subscripted nabla symbol \ nabla _ \ beta.
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| 39. | One alternative notation for the covariant derivative of any tensor is the subscripted nabla symbol \ nabla _ \ beta.
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| 40. | Also, the Cauchy Riemann equations imply that the dot product \ nabla u \ cdot \ nabla v = 0.
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