Nabla Symbol

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This is my video series about Advent of Mathematical Symbols. I hope that it will help everyone who wants to learn about it.
#AdventofMathematicalSymbols
#Analysis
#Calculus
#Mathematics
This is #Day3 in the series.
(This explanation fits to lectures for students in their first year of study: Mathematics for physicists, Mathematics for the natural science, Mathematics for engineers and so on)

[@buramjakajil5232]

Hey lecturer, I just want to say that you're epic! Thank you very much for your work! The way you teach is the way math should be taught, tangible and clear. Keep up the good work =)

[@pinklady7184]

This symbol always eludes my memory. I hate when that happens. Thanks for explaining.

[@Lux158]

Do I get it correct that the nabla of a function with only one variable would be only the one value (f‘(x))?
Or could I add more values to increase in size, since the nabla would be 0 for those values anyway

[@brightsideofmaths]

Yes, nabla f is a vector with the dimension given by the number of the independent variables.

[@minglee5164]

Gradient in fact

[@oni8337]

Covariant derivative

[@brightsideofmaths]

Very good!

[@shmuelisrl]

maybe you can talk a little bit more clearly

[@brightsideofmaths]

Deal!