Linked Questions

20
votes
6answers
9k views

Plotting complex numbers as an Argand Diagram

I have the function: $F(\omega) = \frac{5\; - \;i\;\omega}{5^2\; +\; \omega^2}$ When $\omega$ has the values : $\{ -7, -2,\; 0,\; 2,\; 7\}$ How would I plot the Argand diagram in Mathematica? Or ...
0
votes
0answers
75 views

How to plot data of complex numers [duplicate]

Here I have some output calculated for different values of some parameter. I want to plot these points in complex plane Re, Im and present them with ListLinePLot. How can I do that, I tried many times ...
0
votes
0answers
41 views

Plotting roots of a predefined complex polynomial [duplicate]

I have the following : ...
43
votes
5answers
45k views

Plotting Complex Quantity Functions

Trying to plot with complex quantities seems not to work properly in what I want to accomplish. I would like to know if there is a general rule/way of plotting when you have complex counterparts in ...
2
votes
1answer
768 views

Plotting Zeros of a Complex Variable

I'm trying to plot the zeros within a certain distance from the origin using Mathematica of a given function (in my case, partial sums of the Zeta Function). I've tried plugging in simple functions, ...
3
votes
1answer
2k views

How to guess initial complex value for FindRoot

I have to solve a transcendental equation for a parameter, say $\beta$. Now, the $\beta$ has a range from $ik$ to $k$ where $i$ is the usual imaginary root $\sqrt{-1}$ and $k$ is a real number. ...
1
vote
2answers
386 views

How to plot list of numbers in the complex plane? [closed]

This should have a trivial solution, but how do I plot a list of (complex) numbers in the complex plane? Or, put another way, why doesn't the code below work? I get the error "... is not a list of ...
2
votes
2answers
245 views

Plotting a set of points given by a complex expression [closed]

A have the set consisting of the complex numbers $1+3r \cosθ−ir \sinθ$, where $r∈[0,1]$ and $θ$ may vary between $0$ and $2π$. This is my first encounter with Mathematica, and am having difficulty ...
1
vote
2answers
134 views

How to plot a sequence of complex numbers?

I want to plot the complex sequence of numbers $(1/(1 + I))^n$ so that I can roughly see divergence/convergence. I tried DiscretePlot but doesn't seem to work.
0
votes
1answer
67 views

replace the element [closed]

How to replace i with I and ListPlot the given below [data][1] ...