Visualize the dynamics of differential equation systems with accurate, clearly labeled phase portraits

See what others have created
Simple steps to create amazing results
Enter your system of differential equations using the intuitive form fields. Specify dx/dt and dy/dt equations with standard mathematical notation.
Set the x and y axis ranges, adjust grid density, choose color schemes, and add initial conditions or parameters to visualize your specific system.
Click generate to create your phase portrait instantly. Download your high-resolution visualization in multiple formats for presentations or publications.
Powerful capabilities at your fingertips
Support for linear and nonlinear systems, autonomous equations, and various dynamical systems including predator-prey, pendulum, and custom models.
Fine-tune trajectories, adjust vector field density, customize colors, add nullclines, equilibrium points, and direction fields for comprehensive analysis.
See your phase portrait update instantly as you modify parameters. Interactive exploration helps build intuition about system behavior.
Download publication-quality images in PNG, SVG, or PDF formats. Perfect for academic papers, presentations, and teaching materials.
Automatic detection of equilibrium points, stability analysis, and trajectory classification to help understand your system's behavior.
Start with classic dynamical systems like van der Pol oscillator, Lotka-Volterra, or damped harmonic oscillator as learning templates.
Everything you need to know
Create beautiful, accurate phase portraits in seconds. Perfect for students, researchers, and educators exploring differential equations.