Plotting Inequalities with Mathematica

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SUMMARY

The discussion focuses on plotting inequalities using Mathematica, specifically how to visualize the region defined by the equation f(x,y)=0 and the inequality g(x,y)>0. The user inquires whether the command Reduce[g[x,y]>0,{x,y}] provides sufficient domain information to subsequently utilize ContourPlot[f[x,y]==0,{x,somevalue,someothervalue}]. The conversation highlights the need for effective methods to restrict the plotting domain in Mathematica.

PREREQUISITES
  • Understanding of Mathematica syntax and functions
  • Familiarity with contour plots in Mathematica
  • Knowledge of inequalities and their graphical representation
  • Basic concepts of multivariable functions
NEXT STEPS
  • Explore the Reduce function in Mathematica for domain restrictions
  • Learn about ContourPlot options and customization in Mathematica
  • Investigate the implications of inequalities in multivariable calculus
  • Review examples of plotting inequalities using Mathematica
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Mathematics students, educators, and researchers who need to visualize inequalities and multivariable functions using Mathematica.

Taniya Ghosh
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I have an equation and some inequality constraints, for example,

f(x,y)=0 and g(x,y)>0

I want to see the region (values of x and y) in a graph where both the constraints are satisfied in Mathematica. Any help will be greatly appreciated. Thanks!
 
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Does
Reduce[g[x,y]>0,{x,y}]
give you enough domain information about x that you would then be able to use that in
ContourPlot[f[x,y]==0,{x,somevalue,someothervalue}]

I have searched and not found a more general method of restricting the domain of plots.

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Physics Forums->Other Sciences->Computing & Technology->Math & Science Software
 

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