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i am working on vector analysis and i have come across this definition of del operator.i dont understand where does it come from but it works great to determine rotation curl gradient or other stuff of a vector field.can anyone tell me how we are getting this magical operator is there a proof about this? in 2-D i ve found great deal of explanation about vectors but in 3-D it is really complicated.

i am looking forward to seeing your helps.

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# Del operator?

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