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path independance

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so, I'm having a hard time with path independance, namely with how do you find the scalar function that your vector function is the gradient of.

 

 

or G in

 

(nabla)G = f

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alright then I suppose my question lies more in what happens to the i's the j's and the k's when you integrate,

 

for instance when you take the integral of f to get the scalar function G

alright then I suppose my question lies more in what happens to the i's the j's and the k's

 

You leave them out of it. If [imath]\vec{\nabla}G=\vec{f}[/imath] then:

 

[math]\frac{\partial G}{\partial x}=f_x[/math]

 

[math]\frac{\partial G}{\partial y}=f_y[/math]

 

[math]\frac{\partial G}{\partial y}=f_z[/math]

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then in the end you just do fx+fy+fz correct? without an ij or k making it a scalar function.

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