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Writing data to a File:
The save function can be used to write a data from the matrix to the data file, or to append a data file. The format is as shown below:
save filename matrixvariablename -ascii
The -ascii qualifier is used when generating a text or data file. The following generates a matrix and then saves the values of the matrix variable to a data file known as the testfile.dat:
>> mymat = rand(2,3)
mymat =
0.4565 0.8214 0.6154
0.0185 0.4447 0.7919
>> save testfile.dat mymat -ascii
This generates a file known as the testfile.dat which stores the numbers
The type command can be used to show the contents of the file; note that the scientific notation is used as shown below:
>> type testfile.dat
4.5646767e-001 8.2140716e-001 6.1543235e-001
1.8503643e-002 4.4470336e-001 7.9193704e-001
Note: When the file already exists, then the save function will overwrite it; save always starts writing from the starting of a file.
Built-In Functions and help: There are lots of built-in functions in a MATLAB. The help command is used to find out what functions MATLAB has, and how to use them. For illustr
Illustration of Built-in functions and help: To find out what a specific function does and how to call it, type help and then the name of function. Illustration: >> help si
Background Protein therapeutics are a major component of the biotechnology industry, with sales estimated in the range of ~$99bn annually (2011) and steady market growth. Many phar
Using numerical techniques, plot the intensity distribution for LP 01 and LP 11 modes. Vary the value of V (reduce it to 1.5) and plot several of the intensity plots (of LP 01 )
matlab programming
Input in a for Loop: The script below repeats the process of prompting the user for a number, and echo printing the number (that means simply printing it back out). A for loop
program
illustration of for loop: illustration, to print a column of numbers from 1 to 5: for i = 1:5 fprintf('%d\n',i) end This loop can be entered in the Command Wi
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Problem of a projectile being launched at an angle of O at an initial velocity ofv. The equations for the height hand horizontallocation x as functions of time t are as follo
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