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left_lane_camper t1_iy9bfw4 wrote

Reply to comment by Spiritual_Jaguar4685 in ELI5 How does someone just crest math like calculus? by ow_sonicbaconman

>From ... Newton we get the y' and x' notation which (In my engineering school at least) specifically refers to time-based derivates.

Interesting! We used a prime for spatial derivatives and a tittle for time derivatives in my physics education when we used Newtonian notation.

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Spiritual_Jaguar4685 t1_iy9bn3a wrote

I could be misremembering... this was quite a bit ago.

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left_lane_camper t1_iy9c2nw wrote

It doesn't seem unreasonable that we could have used the notation differently as well. There's no fundamental reason why a prime has to be a space derivative and a tittle a time derivative. It might make communication a little tricky at first, but the meaning should be made clear by context (and if it isn't, we probably would want to use more specific notation anyway).

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Spiritual_Jaguar4685 t1_iy9d05i wrote

Well you got me remembering now.

I think we used "X-dot" (X with a tittle) specifically for velocity as x represented physical distance/displacement and X-dot-dot for acceleration.

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