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Logical Vectors:
The relational operators can also be used with the vectors and matrices. For illustration, let's say that there is a vector, and we want to compare each element in the vector to 5 to determine whether it is greater than 5 or not. The outcome would be a vector (with similar length as the original) with logical true or false values. Suppose a variable vec which is as shown here.
>> vec = [5 9 3 4 6 11];
In MATLAB, this can be automatically accomplished by simply using the relational operator >.
>> isg = vec > 5
isg =
0 1 0 0 1 1
Note that this generates a vector consisting of all the logical true or false values. Though this is a vector of ones and zeros, and numerical operations can be completed on the vector isg, its type is logical instead of double.
m=2/3 b=4/5
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Illustration of Writing to files: Here is the other illustration in which a matrix is written to a file. At First, an arbitrary 2 × 4 matrix is generated, and then it is writt
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
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
Functions to create special matrices: The MATLAB also has various functions which create special matrices. For illustration, the zeros function generates a matrix of all zeros
Program of built-in factorial function: Calling this function yields similar result as the built-in factorial function: >> fact(5) ans = 120 >> factorial(
Structure Consisting of the Fields A MATLAB can also solve the sets of equations. In this illustration, the solutions for x, y, & z are returned as a structure consisting of th
Empty Vectors: An empty vector or in another words, a vector which stores no values, can be generated using the empty square brackets: >> evec = [] evec = [] >> lengt
Customizing Plots : There are numerous ways to customize figures in the Figure Window. On clicking the Plot Tools icon will bring up the Property Editor & Plot Browser, with ma
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