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| The `fsurf` function takes a variable number of arguments, but two are mandatory. The first is a function handle or equation defined using symbols. {{{ % Plane given by 2x + 10y - z = 5 syms x y; plane = 2*x + 10*y - 5; % Function given by f(x,y) = sin(x) + cos(y) syms x y; func = sin(x) + cos(y); }}} The second argument is the bounds that will be rendered. Passing `[-2,2]` causes the render to stretch from -2 to 2 in both x- and y-axes. Passing `[-2,2,-5,5]` causes the render to stretch from -2 to 2 in the x-axis, but from -5 to 5 in the y-axis. Generally, it is mandatory to follow the `fsurf` function with the `view` function, which sets the camera angle in terms of azimuth and elevation. It is also generally necessary to call the `figure` function beforehand to create a container. Altogether, try: |
The `fsurf` function takes a [[MATLAB/DataTypes#Function_Handle|function handle]] or [[MATLAB/DataTypes#Symbolic_Variable|symbolic expression]] as the first argument, and bounds to render as the second. Note that `[-2,2]` is interpreted as ''[-2 2]x[-2 2]''. Compare to `[-2,2,-5,5]` which is interpreted as ''[-2 2]x[-5 5]''. |
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| figure(Name="foo"); | figure; |
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| view([45,60]); | |
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| Use `hold on` to accumulate functions into the same graphic. This is then disabled by `hold off`. To attach labels, try: {{{ title("foo") xlabel("x") ylabel("y") zlabel("z") }}} |
See also [[MATLAB/FiguresAndRelatedCommands|figures and related commands]]. |
MATLAB fsurf
The fsurf function creates a 2D graph.
Contents
Usage
The fsurf function takes a function handle or symbolic expression as the first argument, and bounds to render as the second. Note that [-2,2] is interpreted as [-2 2]x[-2 2]. Compare to [-2,2,-5,5] which is interpreted as [-2 2]x[-5 5].
syms x y; plane = 2*x + 10*y - 5; figure; fsurf(plane, [-2,2,-2,2]);
See also figures and related commands.