<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="margin: 0px; font-size: 14px;" class="">hi</div><div style="margin: 0px; font-size: 14px;" class="">i have 2 questions</div><div style="margin: 0px; font-size: 14px;" class=""><br class=""></div><div style="margin: 0px; font-size: 14px;" class="">- i have a parametric plot :</div><div style="margin: 0px; font-size: 14px;" class="">T=np.linespace(things)</div><div style="margin: 0px; font-size: 14px;" class="">X=f(T)*np.cos(T)</div><div style="margin: 0px; font-size: 14px;" class="">Y=f(T)*np.sin(T)</div><div style="margin: 0px; font-size: 14px;" class="">i would like to get the first and the last point of this polar curve</div><div style="margin: 0px; font-size: 14px;" class="">in the specs of "linspace" (<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.linspace.html" class="">https://docs.scipy.org/doc/numpy/reference/generated/numpy.linspace.html</a>) i dont see how to do that automatically</div><div style="margin: 0px; font-size: 14px;" class="">is there something simple like "first(X)" and "last(X)"</div><div style="margin: 0px; font-size: 14px;" class=""><br class=""></div><div style="margin: 0px; font-size: 14px;" class="">- i have a function :</div><div style="margin: 0px; font-size: 14px;" class="">rotation(vect,theta) which takes vect=[a,b] and theta-rotates it by a matrix</div><div style="margin: 0px; font-size: 14px;" class="">how to use this function or such a function to rotate a tuple (X,Y) with X,Y as described above in this message ?</div><div class=""><br class="webkit-block-placeholder"></div><div apple-content-edited="true" class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="orphans: auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> ––––––––––––––––––––––––––<br class=""> Vincent Douce</div><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> :=: Mathoscope :=:</div><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> <a href="http://mathoscope.xyz" class="">http://mathoscope.xyz</a></div><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> 06°13°11°07°26</div><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> Bagnères de Bigorre 65200</div><div style="orphans: auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""></div></div></div></div></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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