Одним из самых эффективных методов знакомства со сложными математическими системами является ознакомление со встроенными примерами их применения.
Система MATLAB содержит многие сотни таких примеров — практически по примеру на каждый оператор или функцию. Наиболее поучительные примеры можно найти в разделе demos, исполнив команду
Ниже представлен выводимый этой командой список примеров:
» help demos
Examples and demonstrations.
Type 'demo' at the command line to browse more demos of
MATLAB. the Toolboxes, and SIMULINK.
MATLAB/Introduction.
Demo - Browse demos for MATLAB. Toolboxes, and SIMULINK.
MATLAB/Matrices.
Intro - Introduction to basic matrix operations in MATLAB.
Inverter - Demonstrate the inversion of a matrix.
Buckydem - Connectivity graph of the Buckminster Fuller geodesic dome.
Sparsity - Demonstrate effect of sparsity orderings.
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Matmanip - Introduction to matrix manipulation. |
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Eigmovie - Symmetric eigenvalue movie. |
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Rrefmovie - Computation of Reduced Row Echelon Form. |
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Delsqdemo - Finite difference Laplacian on various domains. |
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Sepdemo - Separators for a finite element mesh. |
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Airfoil - Display sparse matrix from NASA airfoil. |
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Eigshow - Graphical demonstration of matrix eigenvalues. |
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Svdshow - Graphical demonstration of matrix singular values. |
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MATLAB/Numerics. |
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Funfuns - Demonstrate functions that operate on other functions. |
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Fitdemo - Nonlinear curve fit with simplex algorithm. |
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Sunspots - FFT: the answer is 11.08, what .is the question? |
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e2pi - 2D visual solutions: Which is greater. e~pi or pi
x
e? |
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bench - MATLAB Benchmark. |
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Fftdemo - Use of the fast finite Fourier transform. |
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Census - Try to predict the US population in the year 2000. |
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spline2d - Demonstrate GINPUT and SPLINE in two dimensions. |
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Lotkademo - An example of ordinary differential equation solution. |
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Quaddemo - Adaptive quadrature. |
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Zerodemo - Zerofinding with fzero. |
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Fplotdemo - Plot a function. |
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Quake - Loma Prieta Earthquake. |
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Qhulldemo - Tessellation and interpolation of scattered data. |
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MATLAB/Visualization. |
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graf2d - 2D Plots: Demonstrate XY plots in MATLAB. |
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graf2d2 - 3D Plots: Demonstrate XYZ plots in MATLAB. |
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Grafcplx - Demonstrate complex function plots in MATLAB. |
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Lorenz - Plot the orbit around the Lorenz chaotic attractor. |
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Imageext - Image colormaps: changing and rotating colormaps. |
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Xpklein - Klein bottle demo. |
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Vibes - Vibration movie: Vibrating L-shaped membrane. |
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Xpsound - Visualizing sound: Demonstrate MATLAB 's sound capability. |
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Imagederno - Demonstrate MATLAB 's image capability. |
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Penny - Several views of the penny data. |
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Earthmap - View Earth's topography. |
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Xfourier - Graphic demo of Fourier series expansion. |
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Colormenu - Select color map. |
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Cplxdemo - Maps of functions of a complex variable. |
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MATLAB/Language. |
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Xplang - Introduction to the MATLAB language. |
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Hndlgraf - Demonstrate Handle Graphics for line plots. |
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grafSd - Demonstrate Handle Graphics for surface plots. |
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Hndlaxis - Demonstrate Handle Graphics for axes. |
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MATLAB/Differential equations. |
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Odedemo - Demo for the MATLAB Differential Equation solvers. |
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odeexamples - Browse the MATLAB ODE/DAE/BVP/PDE examples. |
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MATLAB/ODEs |
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Ballode - Demo of
a
bouncing ball. |
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Brussode - Stiff problem modelling a chemical reaction (Brusselator). |
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burgersode - Burger's equation solved using a moving mesh technique. |
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femlode - Stiff problem with a time-dependent mass matrix. |
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fem2ode - Stiff problem with a constant mass matrix. |
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hblode - Stiff problem 1 of Hindmarsh and Byrne. |
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Orbitode - Restricted three body problem. |
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Rigidode - Euler equations of a rigid body without external forces. |
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.Vdpode - Parameterizable van der Pol equation (stiff for large mu). |
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MATLAB/DAEs |
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hbldae - Stiff DAE from a conservation law. |
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ampldae - Stiff OAE from an electrical circuit. |
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MATLAB/BVPs |
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Twobvp - BVP that has exactly two solutions. |
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mat4bvp - Find the fourth eigenvalue of the Mathieu's equation. |
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Shockbvp - The solution has a shock layer near x = 0. |
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MATLAB/PDEs |
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pdexl - Example 1 for PDEPE |
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pdex2 - Example 2 for PDEPE |
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pdex3 - Example 3 for POEPE |
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pdex4 - Example 4 for PDEPE |
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pdexS - Example 5 for PDEPE |
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Extras/Gallery. |
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Knot - Tube surrounding a three-dimensional knot. |
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Quivdemo - Demonstrate the quiver function. |
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kleinl - Construct a Klein bottle. |
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Cruller - Construct cruller. |
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tori4 - Hoops: Construct four linked tori. |
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spharm2 - Construct spherical surface harmonic. |
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Modes - Plot 12 modes of the L-shaped membrane. |
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Logo - Display the MATLAB L-shaped membrane logo. |
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Extras/Games. |
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Fifteen - Sliding puzzle. |
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Xpbombs - Minesweeper game. |
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Life - Conway's Game of Life. |
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Soma - Soma cube. |
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Extras/Mi seel laneous . |
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Truss - Animation of a bending bridge truss. |
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Travel . - Traveling salesman problem. |
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Spinner - Colorful lines spinning through space. |
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Xpquad - Superquadrics plotting demonstration. |
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Codec - Alphabet transposition coder/decoder. |
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Xphide - Visual perception of objects in motion. |
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Makevase - Generate and plot a surface of revolution. |
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Wrldtrv - Great circle flight routes around the globe. |
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Logospin - Movie of The MathWorks' logo spinning. |
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Crulspin - Spinning cruller movie. |
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Quatdemo - Quaternion rotation. |
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Chaingui - Matrix chain multiplication optimization. |
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General Demo/Helper functions. |
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Cmdlnwin - Demo gateway routine for playing command line demos. |
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Cmdlnbgn - Set up for command line demos. |
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Cmdlnend - Clean up after command line demos. |
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Finddemo - Find demos available for individual toolboxes. |
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Helpfun - Utility function for displaying help text conveniently. |
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Pltmat - Display a matrix in a figure window. |
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MATLAB/Helper functions. |
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Bucky - The graph of the Buckminster Fuller geodesic dome. |
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Peaks - A sample function of two variables. |
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Membrane - Generate MathWorks' logo.
See also SIMDEMOS
demos Is both a directory and a function.
DEMOS Demo list for the CDMA Reference Blockset.
Мы настоятельно рекомендуем пользователям системы MATLAB просмотреть с десяток примеров из интересующих их областей. Это займет от силы полчаса или даже меньше, но зато позволит оценить поистине неисчерпаемые возможности системы при решении сложных математических и физических задач, а также превосходные средства графической визуализации решений.