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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.
hi i have this programm function [IRN,number ] = randnumbers( IRN ) IRN=int32(IRN) ITOTAL=(IRN*330)+100 ITOTAL=int32(ITOTAL); IQUOTIENT=ITOTAL/2303 IQUOTIENT=int32(IQUOTIENT);
Variable number of input arguments: For illustration, the below function areafori has a variable number of input arguments, either the 1 or 2. The name of the function stands
Creating Column Vectors: One way to generate a column vector is by explicitly putting the values in square brackets, separated by the semicolons: >> c = [1; 2; 3; 4] c =
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Illustrations of calling the rand function: The function ‘rand’ can be used to produce random real numbers; calling it produces one random real number in the range from 0 to
A three degree of freedom system is shown in Figure. The three masses are each 1 kg and are constrained to move in the directions shown. The three stiffnesses are 5 kN/m, 50 k
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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
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