<div dir="ltr"><div>Hi Rafael</div><div><br></div><div>... "bingo" ... this is what I couldn't see. :-)</div><div><br></div><div>Best regards,</div><div>Claus</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Feb 3, 2018 at 7:19 PM, Rafael Guerra <span dir="ltr"><<a href="mailto:jrafaelbguerra@hotmail.com" target="_blank">jrafaelbguerra@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div class="m_1931102305643809999WordSection1">
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<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt">Hi Claus,<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt">On the basis of early code provided, I think you just need to transpose the matrix inputs to param3d1 in order to have the parametric curves plotted
at fixed angles along <> frequencies. See below:<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">// START OF CODE<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">frequencies = [201 811 3183 12862 25113]; // Hz; row vector<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">angles = [0 30 60 90]; // off-axis angles, degrees<u></u><u></u></span></font></p><span>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">m_norm</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">
= [ 1.0<span> </span>0.9945629<span>
</span>0.9643959<span> </span>0.8756431;<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt"><span>
</span>1.0<span> </span>0.9914442<span>
</span>1.0244046<span> </span>0.9414654;<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt"><span>
</span>1.0<span> </span>0.9910279<span>
</span>0.9670986<span> </span>0.8932413;<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt"><span>
</span>1.0<span> </span>0.9339808<span>
</span>0.8378147<span> </span>0.7067978;<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt"><span>
</span>1.0<span> </span>0.8985782<span>
</span>0.7536068<span> </span>0.5074218];<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">[<span class="m_1931102305643809999SpellE">nf</span>
<span class="m_1931102305643809999SpellE">na</span>] = size(<span class="m_1931102305643809999SpellE">m_norm</span>)<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">A = (angles .*. ones(nf,1))';<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">F = (frequencies .*. ones(na,1));<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">M = 20*log10(<span class="m_1931102305643809999SpellE">m_norm</span>'); // dB scale<u></u><u></u></span></font></p>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">clf</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">();<u></u><u></u></span></font></p>
</span><p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">sp</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">
= <span class="m_1931102305643809999SpellE">gca</span>(); // Get current axis handle<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span lang="PT" style="color:black;font-size:10pt">param3d1(F',A',M',alpha=50,<wbr>theta=-110,flag=[2,4]);<u></u><u></u></span></font></p><span>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">e =
<span class="m_1931102305643809999SpellE">gce</span>() //the handle on the 3D polyline<u></u><u></u></span></font></p>
</span><p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">e.children.foreground</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">
= color('dark blue');<u></u><u></u></span></font></p>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">e.children.thickness</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">
= 2;<u></u><u></u></span></font></p><span>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">xgrid</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">;<u></u><u></u></span></font></p>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">sp.log_flags</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">
= "<span class="m_1931102305643809999SpellE">lnn</span>"; // x-axis log scale (frequencies)<u></u><u></u></span></font></p>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">sp.cube_scaling</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">
= "on";<u></u><u></u></span></font></p>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">xlabel</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">("Frequency
(Hz)");<u></u><u></u></span></font></p>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">ylabel</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">("Angle
(deg)");<u></u><u></u></span></font></p>
<p class="MsoNormal"><span class="m_1931102305643809999SpellE"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">zlabel</span></font></span><font color="black" size="2"><span style="color:black;font-size:10pt">("Mag
(dB)");<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:10pt">// END OF CODE<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt">Regards,<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="2"><span style="color:black;font-size:11pt">Rafael<u></u><u></u></span></font></p>
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