Implicit function plot in Mathematica

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SUMMARY

The discussion focuses on plotting an implicit function using Mathematica, specifically an equation involving sine and cosine functions. The user attempted to use the ContourPlot function but encountered issues resulting in blank plots and errors. A key insight shared is that the right-hand side of the equation is complex except for specific values of x and t, which limits the plot's feasibility. The user considers reformulating the equation after realizing the limitations of their initial approach.

PREREQUISITES
  • Understanding of implicit equations and their graphical representation
  • Familiarity with Mathematica's ContourPlot function
  • Basic knowledge of sine and cosine functions in mathematical equations
  • Ability to interpret complex numbers in the context of real-valued functions
NEXT STEPS
  • Explore advanced features of Mathematica for plotting complex functions
  • Learn about the implications of complex numbers in real-valued plots
  • Investigate alternative plotting techniques for implicit functions in Mathematica
  • Study the mathematical properties of sine and cosine functions in relation to implicit equations
USEFUL FOR

Mathematics students, researchers using Mathematica for plotting, and anyone interested in visualizing complex implicit functions.

freefaller
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Hello everyone,

I have an implicit equation:
-155.034 x^4 ×sin(377 t) = 0.0524166 x^6 × cos^{1.414}(-377t)-(0.0581964+0.0442696 i) x ×cos^4(377 t)+7.09332 cos^5(377 t)
I would like to create a plot of this function using Mathematica, but I am not very proficient with this software, and the little I know is just what I could teach myself.

So I tried something like this:

ContourPlot[-155.034 x^4 Sin[
377 t] == (0.139677 x^6 Cos[377 t]^1.414 - (0.0581964 +
0.0442696 I) x Cos[377 t]^4 + 7.09332 Cos[377 t]^5), {t, 0,
2}, {x, -4, 4}]

But with no result. I got a blank plot and sometimes a few errors after i tried again.

How would I be able to get this graph?
Thank you.
 
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Assuming x and t are Real, the left hand side of your equality will always be Real, but the right hand side of your equality will be Complex everywhere except when x==0 or t==1/377(Pi/2+2n Pi) or t==1/377(-Pi/2+2n Pi) for Integer n. But when t is anyone of those values then the right hand side is zero and you end up with 155.034x^4==0

With that insight can you think how you might change what you want to do?
 
You're right, i did the math again through mathematica and i got a slightly different equation:
-\frac{2436.77 Sin[377 t]}{x^{0.8285} Cos[377 t]^{0.1715}} = 170 x Cos[377 t] + \frac{5.24172 Cos[377 t]^{3.314}}{ x^{3.314}} - \frac{232.031 Cos[377 t]^{4.1425}}{ x^{4.1425}}
This is not the result i wanted though. i'll start another thread so that i can make sure my math was correct.
 

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