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clothoid - curvature - Сообщения
Continuing the topic
https://en.smath.com/forum/yaf_postst23677_Why-I-have-no.aspx
This is a clothoid or Euler spiral (https://en.wikipedia.org/wiki/Euler_spiral). It is said about it that its curvature depends linearly on its length. How to show it in SMath?
Spiral-Euler.sm (5 КиБ) скачан 195 раз(а).

https://en.smath.com/forum/yaf_postst23677_Why-I-have-no.aspx
This is a clothoid or Euler spiral (https://en.wikipedia.org/wiki/Euler_spiral). It is said about it that its curvature depends linearly on its length. How to show it in SMath?
Spiral-Euler.sm (5 КиБ) скачан 195 раз(а).

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WroteThis is a clothoid or Euler spiral (https://en.wikipedia.org/wiki/Euler_spiral). It is said about it that its curvature depends linearly on its length. How to show it in SMath ?
The curvature exists in the ± 1 range. But not as you attempted.
Let my tech doctor Win 10, will attach later.
Jean.
WroteContinuing the topic
This is a clothoid or Euler spiral (https://en.wikipedia.org/wiki/Euler_spiral). It is said about it that its curvature depends linearly on its length. How to show it in SMath?
For the attached sheet to work, the Statistical Tools plugin must be deactivated, because it's erf() shadows the Maxima function erf().
The curvature-arclength plot is easily done, yet the xy plot of the curve itself fails because Maxima isn't able to evaluate the functions x(t) and y(t).
Yet, it is not proof of linearity, just an illustration.

Spiral-Euler_Kr.sm (34 КиБ) скачан 169 раз(а).
Martin Kraska
Pre-configured portable distribution of SMath Studio: https://en.smath.info/wiki/SMath%20with%20Plugins.ashx
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