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Dimensions - matrix:
The size and length functions in the MATLAB are used to find array dimensions. Length function returns the number of elements in the vector. The size function returns the number of rows & columns in a matrix. For matrix, the length function will return either the number of rows or the number of columns, whichever is the maximum. For illustration, the following vector, vec, has 4 elements therefore its length is 4. It is a row vector; hence, the size is 1 × 4.
>> vec = -2:1
vec =
-2 -1 0 1
>> length(vec)
ans =
4
>> size(vec)
1 4
Program of built-in factorial function: Calling this function yields similar result as the built-in factorial function: >> fact(5) ans = 120 >> factorial(
sprintf function: The sprintf function works precisely like the fprintf function, but rather than printing it generates a string. Here are some illustrations in which the outp
Matrix of Plots: The other function which is very useful with any type of plot is subplot that creates a matrix of plots in the present Figure Window. The three arguments are
Counting in a While Loop: Whenever it is not known ahead of the time how many values will be entered into the script, it is often essential to count the number of values which
m=2/3 b=4/5
Fliplr function: The fliplr function "flips" the matrix from left to right (in another words the left-most column, the first column, become the last column and so on), and the
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
Common form of the switch statement: The common form of the switch statement is as shown below: switch switch_expression case caseexp1 action1 case cas
Built-in functions for Complex numbers: We know that in MATLAB both i and j are built-in functions which return √-1 (therefore, they can be thought of as built-in constants).
Function fopen - file function: The permission string in the call to the fopen function identifies that the file is opened for writing to it. Just as when reading from a file,
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