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Example of Menu driven modular program:
As an illustration of such a menu-driven program, we will write a program to discover the constant e.
The constant e, known as the natural exponential base, is used broadly in mathematics & engineering. There are many diverse applications of this constant. The value of the constant e is around 2.1718. Raising e to the power of x, or ex, is so general that this is known as the exponential function. In MATLAB, we have seen that, there is a function for above, exp.
The one way to determine the value of e is by finding a limit.
Since the value of n increases on the way to infinity, the outcome of this expression approaches the value of e.
The approximation for an exponential function can be found by using what is known as the Maclaurin series:
Illustration of Subfunctions: This is an illustration of running this program: >> rectarea Please enter the length: 6 Please enter the width: 3 For a rectan
Appending variables to the Mat-File: Appending to the file adds to what has been saved in a file, and is accomplished by using the -append option. For illustration, supposing
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
Initializing the data structure - Function: Function is shown as: >> printcylvols(cyls) Cylinder x has a volume of 169.6 Cylinder a has a volume of 100.5
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
Structures: The Structures are data structures which group together values which are logically related in what are known as the fields of structure. The benefit of structures
Scaling: change a row by multiplying it by a non-zero scalar sri → ri For illustration, for the matrix:
Algorithm for the function e: The algorithm for the function eoption is as shown: Use the menu function to show the 4 choices. Error-check (an error would take place
Use of built-in colormaps: MATLAB has built-in colormaps, it is also possible to generate others by using combinations of any colors. For illustration, the following generates
Program to Counting in a while loop: The script initializes variable counter to 0. Then, in the while loop action, each and every time the user successfully enter a number, th
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