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Illustration of Advanced file input and output:
For illustration, to refer to the third number in the first element of the cell array:
>> subjdata{1}(3)
ans =
3.3000
The script which reads in this data and echo-prints it is shown here:
Executing this script generates the following results which are as shown below:
>> textscanex
5.3 a
2.2 b
3.3 a
4.4 a
1.1 b
File close successful
To conclude, we know four techniques of reading from a file. The function load will only work when the values in the file are all of similar type and there is similar number on every line in the file, so that they can be read into the matrix. If this is not the situation, lower level functions should be used. To use these, the file should be opened first and then closed whenever the reading has been done. The fscanf function will read into the matrix, converting the characters to their ASCII equivalents. The textscan function will rather read into a cell array which stores each column from the file into individual column vectors of the cell array. At last, the fgetl function can be used in a loop to read each line from the file as an individual string; the string manipulating functions should then be used to break the string into pieces and convert to numbers.
Script a MATLAB program which meets the following speci cations: The program expects an input of a two-variable real-valued continuous function f : R^2--> R The program is to cal
Illustration of Empty vectors: The Empty vectors can also be used to delete elements from the arrays. For illustration, to remove the third element from array, an empty vector
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Strings as matrix: The matrix can be generated, that consists of strings in each row. Therefore, essentially it is created as a column vector of strings, but the final result
Error-checking for integers: illustrations of running this script as shown below: >> readoneint Enter an integer: 9.5 Invalid! Enter an integer: 3.6 Invalid
Example of Recursive functions: This definition is recursive as a factorial is defined in terms of the other factorial. There are two parts to any recursive definition: the co
Writing and Reading Spreadsheet Files: The MATLAB functions xlswrite & xlsread will write to and read from the spreadsheet files which have the extension .xls. For illustratio
Animation: In this part we will observe a couple of ways to animate a plot. These are visuals, therefore the outcomes can't really be shown here; it is essential to type these
Error-Checking for Integers: As MATLAB uses the type double by default for all the values, to check to make confirm that the user has entered an integer, the program have to c
Illustration of Minimum and Maximum Value Both of these functions also return the index of the minimum or maximum value; when there is more than one occurrence, it returns the
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