How do you plot complex functions

In summary, to plot a complex function, you need to understand its structure and plot the real and imaginary parts separately on the complex plane. The best way to represent a complex function graphically is by using the complex plane, and you can choose a range of values for the real and imaginary parts to plot. To visualize the behavior of a complex function, you can use color-coded graphs, and there are various tools and software available to help with plotting and analyzing complex functions, such as Mathematica, MATLAB, and Python libraries like Matplotlib and NumPy.
  • #1
coverband
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Homework Statement


Draw graphs of [tex]V(x)=\frac{x^2}{1+x^4}[/tex] and [tex]y=\pm\sqrt{2cosx-4\epsilon x+B}[/tex]


Homework Equations





The Attempt at a Solution


Are we really expected to be able to draw these with just a pen and paper!?
 
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  • #2
yes, though sketch would be a better term as generally you just want to capture the key behaviour of the curve

start by looking for critical points, behaviour at critical points and asymptotic behaviour
 

FAQ: How do you plot complex functions

How do you plot a complex function?

To plot a complex function, you need to first understand the basic structure of the function. Complex functions have both a real and imaginary part, so you will need to plot these separately. Use the real axis for the real part and the imaginary axis for the imaginary part. You can then plot points on the complex plane and connect them to create a graph.

What is the best way to represent a complex function graphically?

The best way to represent a complex function graphically is by using the complex plane, also known as the Argand diagram. This is a two-dimensional graph with the real axis on the horizontal axis and the imaginary axis on the vertical axis. The points on this plane represent complex numbers and can be used to plot complex functions.

How do I know which points to plot for a complex function?

To plot a complex function, you will need to choose a range of values for both the real and imaginary parts. You can then substitute these values into the function and plot the resulting complex numbers on the complex plane. It is recommended to plot multiple points to get a better understanding of the function's behavior.

How can I visualize the behavior of a complex function?

One way to visualize the behavior of a complex function is by using color-coded graphs. You can assign different colors to different ranges of values for the real and imaginary parts and plot these colors on the complex plane. This can help you see patterns and understand the behavior of the function.

Are there any tools or software that can help with plotting complex functions?

Yes, there are many tools and software available that can help with plotting complex functions. Some popular options include Mathematica, MATLAB, and Python libraries such as Matplotlib and NumPy. These tools offer a variety of features and visualizations to help you plot and analyze complex functions.

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