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## Homework Statement

I have an incompressible, irrotational fluid with velocity

**v**in the form:

v_x = c_xx x + c_xy y + c_xz z

v_y = c_yx x + c_yy y + c_yz z

v_z = c_zx x + c_zy y + c_zz z

The coefficients c_xx, c_xy, etc. are constants.

How can I determine how many independent coefficients I need to specify the velocity uniquely?

## Homework Equations

## The Attempt at a Solution

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