- #1

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I was wondering if the expression (u $ ∇) is the same as (∇ $ u).

Here $ represents the dot product (I couldn't find this symbol.

∇=del, the vector differentiation operator

and u is the velocity vector or any other vector

- Thread starter pyroknife
- Start date

- #1

- 613

- 3

I was wondering if the expression (u $ ∇) is the same as (∇ $ u).

Here $ represents the dot product (I couldn't find this symbol.

∇=del, the vector differentiation operator

and u is the velocity vector or any other vector

- #2

lurflurf

Homework Helper

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This is analogous to asking if uD is equal to D u where D is the differentiation operator.

- #3

HallsofIvy

Science Advisor

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I was wondering if the expression (u $ ∇) is the same as (∇ $ u).

Here $ represents the dot product (I couldn't find this symbol.

∇=del, the vector differentiation operator

and u is the velocity vector or any other vector[/QUOTE]

Before anyone can answer that question, you will have to tell us what

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