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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 a customized colormap with only three colors: black, white, & red. This is then set to be the present colormap by passing the color map matrix to the colormap function. Then, a 40× 40 matrix of arbitrary integers in the range from 1 to 3 (as there are just 3 colors) is generated, and that is passed to the image function; the results are as shown in figure:
>> mycolormap = [0 0 0; 1 1 1; 1 0 0]
mycolormap =
0 0 0
1 1 1
1 0 0
>> colormap(mycolormap)
>> mat = randint(40,40,[1 3]);
>> image(mat)
Function used in sound files: The MATLAB has numerous other functions which let you read and play sound or audio files. In the audio files, sampled data for each audio channel
Referring to and Showing Cell Array Elements and Attributes: Just as with the other vectors, we can refer to individual elements of the cell arrays. The only difference is tha
Function rmfield - structure: The function rmfield eliminates a field from the structure. It returns a new structure with field eliminated, but does not modify the original st
Passing Structures to Functions: The whole structure can be passed to a function, or separate fields can be passed. For illustration, here are the two distinct versions of a f
Example of Exponential function modular program: In order to view the distinction in the approximate value for e as n increases, the user kept choosing Limit & entering larger
Plotting from a Function: The following function creates a Figure Window as shown in figure, which shows various types of plots for similar y vector. The vector is passed as a
function
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
Execution steps: Whenever the program is executed, the steps below will take place: The script calcandprintarea starts executing. The calcandprintarea calls the readr
Comparing strings: There are few functions which compare strings and return logical true when they are equivalent or logical false when not. The function strcmp compares the s
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