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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:
Use polyval to evaluate the derivative at xder. This will be the % slope of the tangent line, "a" (general form of a line: y = ax + b). % 4. Calculate the intercept, b, of t
Displaying expressions: The good-looking function will show such expressions by using exponents; for illustration, >> b = sym('x^2') b = x^2 >> pretty(b)
Converting between the String and Number types: The MATLAB has many functions which convert numbers to strings in which each character element is a separate digit, and vice ve
Execute a exponential function program: Running the script will take up the menu as shown in the figure: Then, what happens will totally depend on which button(s) the
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 f
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
Function cellplot - Cell array: The function cellplot place a graphical display of the cell array in a figure Window; though, it is a high-level view and fundamentally just di
Execution steps: Whenever the program is executed, the steps below will take place: The script calcandprintarea starts executing. The calcandprintarea calls the readr
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Illustration of Image processing: This displays that there are 64 rows, or in another word, 64 colors, in this specific colormap. It also displays that the first five colors a
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