Sussex PDEs 16/09/14 – Jey Sivaloganathan – some reflections on notation

The notation to show magnitude

|F|

perhaps suggests something of the nature of the thing, the simple distance between starting and stopping, |——-|, regardless of orientation, direction, etc…

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Many notations employ superscripts and subscripts to indicate a range, physical position indicating the upper and lower limits, perched above and below their subject

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