Writing data to a file, MATLAB Programming

Assignment Help:

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

0.4565  0.8214  0.6154

0.0185  0.4447  0.7919

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.


Related Discussions:- Writing data to a file

Constants, Constants: The variables are used to store values which can...

Constants: The variables are used to store values which can change, or that are not known ahead of the time. Most of languages also have the capacity to store constants that a

Solution by using pdepe function, Solution by using pdepe function fu...

Solution by using pdepe function functionpdex1 m = 0; x = linspace(0,1,100); t = linspace(0,0.2,10);   sol = pdepe(m,@pdex1pde,@pdex1ic,@pdex1bc,x,t); % Ext

First order differential equations, First order differential equations: Eul...

First order differential equations: Euler's method Finally, we consider ?nding the numerical solution for a ?rst order differential equation given an initial value. We consider

Create a matlab script file, Damped free vibrations can be modelled by cons...

Damped free vibrations can be modelled by considering a block of mass m that is attached to a spring and a dashpot as shown. From Newton's second law of motion, the displac

Estimate the sample mean and sample standard deviation, The fuel consumptio...

The fuel consumption of a certain make of car may not be exactly that rated by the manufacturer. Suppose ten cars of the same model were tested for combined city and highway fuel c

Notion of permutation, what are the difference between a.linear permutati...

what are the difference between a.linear permutation b.circular permutation

Calling a function, Calling a Function: Here is an illustration of the...

Calling a Function: Here is an illustration of the call to this function in which value returned is stored in the default variable ans: >> calcarea(4) ans = 50.2655

Obtain the input - algorithms, Obtain the input - Algorithms: From whe...

Obtain the input - Algorithms: From where does the input come? The two possible choices would be from an external file on a disk, or from the user, who enters the number by ty

Illustration of modifying the matrix elements , Illustration of modifying t...

Illustration of modifying the matrix elements: If a single index is used with the matrix, the MATLAB unwinds the matrix column by column. For illustration, for the matrix intm

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd