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# How to plot the complex equation in 2D ...?

Posted 9 years ago Thank you for your cooperation.
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Posted 9 years ago
 ParametricPlot[{Re[Exp[I t]], Im[Exp[I t]]}, {t, 0, 2 Pi}] 
Posted 9 years ago
 Try these 3D plots: Plot3D[Re[E^(x + I y)], {x, 0, 2 Pi}, {y, 0, 2 Pi}, PlotRange -> All] Plot3D[Im[E^(x + I y)], {x, 0, 2 Pi}, {y, 0, 2 Pi}, PlotRange -> All] 
Posted 9 years ago
 How to plot this new curve ? Posted 9 years ago
 See attached notebook. Attachments:
Posted 9 years ago
 a beautiful presentation ...
Posted 9 years ago
 The trick to getting the vertical lines is to use Exclusions -> None as a plot option: zr[t_] := Re[Sqrt[E^(-7 I t)] + E^(I t)] zi[t_] := Im[Sqrt[E^(-7 I t)] + E^(I t)] ParametricPlot[{zr[t], zi[t]}, {t, -2, 5}, MaxRecursion -> 10, Exclusions -> None] Posted 9 years ago
 Folks take a note of the new M10.1 function ReIm. With it code becomes simpler: ParametricPlot[ReIm[Sqrt[E^(-7 I t)] + E^(I t)], {t, -2, 5}, Exclusions -> None] Simon Cadrin, I suggest reading about proper posting of code on this website. It is easier for those who help you to copy code from your post. Equations in images are strongly discouraged.