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## Main Question or Discussion Point

I was reading a paper and came across this equation:

Is this the correct expansion below? (I'm not too experienced with vectors operating on the gradient operator)

_____________

My reasoning partially comes from this thread: https://www.physicsforums.com/showthread.php?t=157380

**F**=μ_{magnetic}_{0}(**M**<dot>**∇**)**H**Is this the correct expansion below? (I'm not too experienced with vectors operating on the gradient operator)

**F**=μ_{magnetic}_{0}[(M_{x}∂**H**/∂x)i + (M_{y}∂**H**/∂y)j + (M_{z}∂**H**/∂z)k]_____________

My reasoning partially comes from this thread: https://www.physicsforums.com/showthread.php?t=157380