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Replacing a string - function strrep:
The function strrep finds all the occurrences of a substring within the string, and substitutes them with a new substring. The order of arguments matters. The format is as sown below:
strrep(string, oldsubstring, newsubstring)
The example below replaces all occurrences of the substring 'e' with the substring 'x':
>> strrep('abcdeabcde','e','x')
ans =
abcdxabcdx
All the strings can be of any length, and the lengths of the old and new substrings do not have to be similar.
Storing Strings in Cell Arrays: The one good application of a cell array is to store strings of various lengths. As cell arrays can store various types of values in the elemen
Built-in colormaps: The MATLAB has numerous built-in colormaps which are named; the reference page on colormap shows them. Calling the function colormap without passing any ar
Displaying the cell arrays: There are several techniques of displaying the cell arrays. The celldisp function shows all elements of the cell array: >> celldisp(cellro
Illustration of Matrix solutions: For illustration, consider the three equations below with 3unknowns x 1 ,x 2 , and x 3 : We can write this in the form Ax = b here A
Use of Nested if-else statements: By using the nested if-else to select from among the three possibilities, not all the conditions should be tested. In this situation, if x is
Finding a sting - function strfind: The function strfind does necessarily similar thing, except that the order of the arguments does make dissimilarity. The common form is str
deblank function: The deblank function eliminates only trailing blanks from the string, not leading the blanks. The strtrim function will eliminate both the leading and traili
Interchange rows : for illustration interchanging rows ri and rj is written as
#question.
Illustration of Set operations: For illustration, given the vectors as shown below: >> v1 = 2:6 v1 = 2 3 4 5 6 >> v2 = 1:2:7 v2 = 1 3 5 7
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