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Example of file ploting data:
As the other example, a data file called 'compsales.dat' stores the sales figures (in millions) for divisions in a company.
Each line in the file stores the sales number, followed by an short form of the division name, in the following format which is as shown below:
5.2 X
3.3 A
5.8 P
2.9 Q
The script below uses the textscan function to read this information into a cell array, and then uses the subplot to produce a Figure Window which displays the information in a bar chart and in a pie chart as shown in figure.
Vectors of Structures: In numerous applications, involving database applications, information generally would be stored in the vector of structures, instead of in individual s
Built-in colormaps: The MATLAB has numerous built-in colormaps which are named; the reference page on colormap shows them. Calling the function colormap without passing any ar
Scaling: change a row by multiplying it by a non-zero scalar sri → ri For illustration, for the matrix:
Illustration sorting vectors of structures: This function sorts the structures depend only on the price field. A more common function is shown next, that receives a string whi
Interchange rows : for illustration interchanging rows ri and rj is written as
Execution steps: Whenever the program is executed, the steps below will take place: The script calcandprintarea starts executing. The calcandprintarea calls the readr
Text graphic function - Graphics objects: The text graphic function permits text to be printed in a Figure Window, involving special characters which are printed by using \spe
Function cirarea - Anonymous functions: The function handle name is cirarea. The one argument is passed to the input argument radius. The body of the function is an expression
function
Reading from a File in a While Loop: Though in most languages the combination of a loop and an if statement would be essential to determine whether or not the elements in a ve
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