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Advanced File Input and Output:
In that section, we saw how to read the values entered by user using the input as well as the output functions disp and fprintf, that shows information in windows on the screen. For file input and output (file I/O), we used the load and save the functions, that can read from a data file into the matrix, and write from a matrix to a data file. We also saw that there are three various operations which can be performed on files: reading from files, writing to files (implying writing to the starting of a file), and appending to a file (that is writing to the end of the file).
There are many different file types that use dissimilar filename extensions. Faraway, using load and save, we have worked with files in the ASCII format that usually use either the extension .dat or .txt. The load command works only if there are similar number of values in each line and the values are of similar type, so that the data can be stored in a matrix; the save command writes only from the matrix to a file. When the data to be written or file is to be read in a different format, then the lower level file I/O functions should be used.
The MATLAB software has functions which can read and write data from variousfile types like spreadsheets; usually Excel spreadsheets have the filename extension .xls. It has its own binary file type also that uses the extension .mat.
These are generally known as MAT-files, and can be used to store the variables which have been generated in the MATLAB.
Nested Structures: The nested structure is a structure in which at least one of the members is itself a structure. For illustration, a structure for the line segment may co
Steps for input output functions - Lower level file: The steps involved are as shown below: Open the file. Read the file, write to the file, or append to the file.
Example of Median For the vector [1 4 5 9 12 33], the median is the average of the 5 & 9 in the middle: >> median([1 4 5 9 12 33]) ans = 7
Sequential Search: A sequential search is completed by looping through the vector element-by-element starting from the beginning, looking for the key. Usually the index of the
Help function: Function is computing the two values, there are two output arguments in the function header (i.e., area & circum), that are placed in the square brackets [ ]. A
Persistent Variables: Generally, whenever a function stops executing, then the local variables from that function are cleared. That means that each and every time a function i
Functions which complete a task without returning Values: Most of the functions do not compute values, but instead of accomplish a task like printing formatted output. As thes
Run-time or execution-time error: The Run-time, or execution-time, errors are found whenever a script or function is executing. With most of the languages, an illustration of
Rectangle - graphics objects: The other core graphics object is the rectangle that can have curvature added to it (!!). Merely calling the function rectangle without any argum
Example of Functions which complete a task: For illustration, the function below just prints the number arguments passed to it in a sentence format: As this function i
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