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plot(X,Y) creates a 2-D line plot of the data in Y versus the corresponding values in X. To plot a set of coordinates connected by line segments, specify X and Y as vectors of the same length. To plot multiple sets of coordinates on the same set of axes, specify at least one of X or Y as a matrix. example.
fplot(funx,funy,tinterval) plots over the specified interval. Specify the interval as a two-element vector of the form [tmin tmax]. fplot(___,LineSpec) specifies the line style, marker symbol, and line color. For example, '-r' plots a red line.
The outcome will be the following plot: Remarks: This only serves as a very quick example of what Matlab can do in making plots. will have more detailed discussions on the use of arrays and Matlab's graphic tools
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This example how to create a PDE visualization object and plot the result by using the pdeviz function. You can interact with the resulting plot by changing the properties of this object. For example, you can change the transparency, mesh visibility, mesh deformation, axes labels, and so on.
- MATLAB Plots
- 4 Bar Plot: the SCHOOLYEAR Data
- Exercise 4:
- 6 Contours: the VOLCANO Data
- Exercise 6:
- 8 Trees: the GENEALOGY data
- 9 Graphs: the NETWORK data
How can we create plots that represent our data, help us to see patterns and problems, and convince our viewers of our results? Plotting allows us to visualize data. Before we do any analysis, this allows us to explore the data; after an analysis, we use various kinds of plots to analyze and publish our results. MATLAB has a rich set of plotting co...
Both line and scatter plots assume each data item has the form (x; y). Sometimes, however, instead of x data, we have some kind of label. Thus, we might have a list of car models and their prices. A bar plot allows us to represent the data as bars, identi ed by their data labels, with heights proportional to the data values. MATLAB has some trouble...
1. access the MATLAB M le schoolyear data.m: [ country , days ] = schoolyear data ( ) ; Make a horizontal bar plot of the school days: barh ( days ) ; Label each bar with this horrible command: > set ( gca , ' yticklabel ' , country ) ; save a PNG copy as schoolyear.png; Histogram: the SNOWFALL Data Suppose we want to display a large set of observa...
We may have a collection of measurements of temperature, or elevation, or pollution levels, sampled at regular points on a grid. One way to visualize such data is to use a contour plot. Contours can be indicated by a sequence of curves, each of which connects points with the same value of the measurement; a more vivid image can be done using colors...
access the data le volcano data.txt: Make a line contour plot: Make a color contour plot: save a PNG copy as volcano.png;
A tree plot is way to illustrate a process which involves branching or dependence. A tree plot can illustrate all the paths that start at the initial point and branch one way or another at decision points. The locations on a tree are called nodes, and the node representing the initial state is called the root node. If we assign each node an identif...
Mathematically, a graph is a set of nodes, some of which are connected by edges. The edges usually represent two-way connections; one-way connections arise in \directed graphs". The MATLAB function graph() can de ne a graph G using two lists of equal length, containing the starting node s and terminal node t of each edge. For your exercise, conside...
This function lets you plot 3-D results, including the solution and its gradients, without explicitly interpolating them. For example, solve an electromagnetic problem and plot the electric potential and field distribution for a 3-D geometry representing a plate with a hole.
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2-D Solution and Gradient Plots with MATLAB Functions. You can interpolate the solution and, if needed, its gradient in separate steps, and then plot the results by using MATLAB® functions, such as surf, mesh, quiver, and so on.
