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Hallo Rafael,<br>
This mail arrived properly!<br>
<br>
To my taste the equation of motion of a spherical pendulum (which
we are actually treating here) is much easier to understand in the
way you presented it than the one in spherical coordinates filling
the textbooks. Perhaps Lagrange and Hamilton are so fascinating
that outhors miss the simple route and prefer to play with advanced
methods.<br>
<br>
I prefer not to use a numerical controlled milling machine when a
simple fad can do it too. <br>
<br>
Best regards<br>
Jens<br>
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<div class="moz-cite-prefix">Am 14.08.2018 11:55, schrieb Rafael
Guerra:<br>
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<p class="MsoNormal"><span>Hallo Jens,</span></p>
<p class="MsoNormal"><span> </span></p>
<p class="MsoNormal"><span>Glad to hear.</span></p>
<p class="MsoNormal"><span>No, I could not find any
“ready-solution” in cartesian coordinates.</span></p>
<p class="MsoNormal"><span>But I have reviewed the topic (<a
moz-do-not-send="true"
href="https://en.wikipedia.org/wiki/Circular_motion">https://en.wikipedia.org/wiki/Circular_motion</a>)</span></p>
<p class="MsoNormal"><span> </span></p>
<p class="MsoNormal"><span>PS:</span></p>
<p class="MsoNormal"><span>Physics was my biggest passion at
school and I think a little flame is still burning…</span></p>
<p class="MsoNormal"><span> </span></p>
<p class="MsoNormal"><span>Regards,</span></p>
<p class="MsoNormal"><span>Rafael</span></p>
<p class="MsoNormal"><span> </span></p>
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