free online app draw contour plot 3d
Did you lot ever wonder seeing astonishing 3D graphs in MATLAB? How to draw multiple 3D plot graphs in MATLAB?
This is an in-depth tutorial for you. I will explain the different MATLAB 3D plot examples and how to draw them.
This tutorial is an extension of a previous tutorial 2-dimensional [2D] MATLAB plot.
When I share the 2nd plot graph tutorial, some of the readers asked me nearly the 3D plot. And I decided to write well-nigh it.
This tutorial provides y'all the plot's functions, syntax, and code, for example for the five main different types of 3D plots. At the end of this post, you volition be able to draw your ain 3D plot graph in MATLAB.
It's astonishing. Right?
Let'southward start.
3D MATLAB Plot Introduction
In general, the three-dimensional plots consist of the three vectors (x,y,z) in the aforementioned graph.
In MATLAB, the plot3() function is used to depict the 3D plot graph. You lot tin also utilize a specified line style, mark, and color for drawing 3D plots.
The general syntax to brandish the 3D plot is,
plot3(x,y,z) plot3(x,y,z,Name) plot3(x,y,z,LineSpec)
Let's offset drawing dissimilar types of the 3D plot graph…
Classifications of Three-Dimensional Plots | MATLAB 3D plot Examples
Here, we are considering, the five master different types of three-dimensional (3D) plots. These graphs are mostly used in the manufacture.
The post-obit list of different 3D plots as,
- Mesh Plot
- Surface Plot
- Ribbon PLot
- Contour Plot
- Piece Plot
As a part of this tutorial about MATLAB 3D plot examples, I am describing the topmost five 3D plots one-by-one.
i. Mesh 3D Plot in MATLAB
The mesh plotting office is used to display the mesh plot. It produces a wireframe surface where the lines connecting the defining points are colored.
How to create the Mesh plot in MATLAB?
For the mesh plotting in MATLAB, you demand to pass the array values to the mesh function.
Syntax:
Mesh function transforms the domain specified by vectors (10, Y, Z) into arrays (x,y,z).
The syntax for the Mesh Plot is,
mesh(x,y,z) [10,Y,Z] = meshgrid(x,y,z)
MATLAB Code:
Every bit an example, we are plotting the mesh 3D plot for square root mathematical role.
[10,y] = meshgrid(-10:0.1:10); t = sqrt(x.^2+y.^2); z =(10*sin(t)); mesh(x,y,z)
Output in MATLAB:
Meet here, you get a colorful and polish connecting surface line of three-dimensional [3D] Mesh plot.
You can besides plot the graph for diverse Mathematical Expressions in MATLAB.
ii. Surface 3D Plot in MATLAB
A surface plot is somewhat similar to a mesh plot. The main difference betwixt them is, in the surface plot, the connecting lines and the faces both volition be displayed in the dark colour.
How to create the Surf plot in MATLAB?
Syntax:
In the surface plot, 'surf' role is used. So, you can write a simple format like 'part name(array)'.
surf(10,y,z) surf(z)
MATLAB Code:
Let's write a MATLAB code for the 3-dimensional surface plot for an exponential function exp().
[x,y] = peaks(thirty); z = exp(-0.nine*(x.^ii+0.5*(x-y).^2)); surf(x,y,z); xlabel('\bf X axis'); ylabel('\bf Y axis'); zlabel('\bf Z axis'); title('\bf Surface Plot') colorbar Output in MATLAB:
Subsequently the getting output of surface plot, yous will meet the connecting lines and the faces are both displayed in the same shade.
three. Ribbon 3D Plot in MATLAB
Every bit the proper noun ribbon, this 3D plot graph volition be having dissimilar color ribbons.
How to create the ribbon plot in MATLAB?
Here, we are using ribbon() part for plotting ribbon 3D MATLAB plot.
Syntax:
The general syntax for writing code,
ribbon(x,y,z) ribbon(ten,y) ribbon(z)
MATLAB Code:
To create a ribbon plot using peak function for mathematical function ((x²)-(y²))
[10,y] = peaks(30); z =[(10.^2)-(y.^2)]; ribbon(z); title('\bf Ribbon Plot') Output in MATLAB:
Y'all tin can see each and every colorful shade ribbons.
4. Profile 3D Plot in MATLAB
How to create the iii dimensional [3D] contour plot?
To create the three dimensional [3D] contour plot, we are using the 'contour3' part.
Note: Y'all can plot the Contour 2D plot by using the only 'profile' function.
Syntax:
The syntax for the three-dimensional contour plot,
contour3(x,y,z) contour3(z)
MATLAB Lawmaking:
Nosotros are plotting the profile plot for the exponential mathematical equation is (exp( ten²-y²)).
[x,y] = peaks(30); z = exp(-x.^2-y.^ii); contour3(ten,y,z); title('\bf Contour Plot') Output in MATLAB:
Beneath is a diagram for iii dimensional [3D] contour plot.
5. Slice 3D Plot in MATLAB
For plotting piece graph, you lot must know volumetric information(v), specification of three-dimensional coordinate (10,y,z), and 'xslice, yslice, zslice'.
Syntax:
Slice plot's syntax is
slice(10,y,z,5,xslice,yslice,zslice) slice(v,xslice,yslice,zslice)
Where,
- xslice- '10' coordinate information for piece plot
- yslice- 'y' coordinate data for slice plot
- zslice- 'z' coordinate data for slice plot
MATLAB Lawmaking:
Slice plot is lilliputian different from other 3D plots types. When yous are writing MATLAB code for Slice plot, you need to specify each coordinator value.
Let's describe the slite plot graph for an exponential mathematical equation.
[10,y,z] = meshgrid(-10:.two:10); 5 = [exp((x.^2)-(y.^three)-(z.^5))]; xslice = 0.ane; yslice = five; zslice = 0; slice(10,y,z,five,xslice,yslice,zslice) colorbar title('\bf Slice Plot') Output in MATLAB:
The output looks like the below picture.
These are the topmost three dimensional [3D] used in the industry projects.
This is all almost different MATLAB 3D plot examples. I have explained the different classification of MATLAB 3D plots with simple code and syntax.
If you have doubt, write in the comment. I volition respond to y'all as soon equally possible.
Other MATLAB Tutorials:
- MATLAB Math Functions
- MATLAB M-File Details
- Matrix in MATLAB
- Vector in MATLAB
- MATLAB/ Simulink Toolbox
- Application of MATLAB/Simulink
Thanks for Reading!
I have completed chief in Electrical Power System. I work and write technical tutorials on the PLC, MATLAB programming, and Electrical on DipsLab.com portal.
Sharing my knowledge on this blog makes me happy. And sometimes I delve in Python programming.
Source: https://dipslab.com/matlab-3d-plot-examples/
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