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Finding a sting - function findstr:
The function findstr receives two strings as input arguments. It finds all the occurrences of shorter string contained by the longer, and returns the subscripts of the starting of the occurrences. The order of strings does not matter with findstr; it always finds the shorter string within the longer, whichever it is. The shorter string can consist of one character, or any of the number of characters. If there is more than one occurrence of the shorter string within the longer one, the findstr returns a vector with all the indices. Note that, what is returned is the index of the starting of the shorter string.
>> findstr('abcde', 'd')
ans =
4
>> findstr('d','abcde')
>> findstr('abcde', 'bc')
2
>> findstr('abcdeabcdedd', 'd')
4 9 11 12
str2num function - String: The function str2num does the opposite; it takes the string in which a number is stored and converts it to the type double: >> num = str2num('123.
IS Functions for Strings: There are many functions for strings, that return logical true or false. The function isletter returns the logical true when the character is a lette
Preallocating a Vector: There are necessarily two programming techniques that can be used to simulate the cumsum function. One technique is to begin with an empty vector and c
Inverse of square matrix: The inverse is, hence the result of multiplying the scalar 1/D by each and every element in the preceding matrix. Note that this is not the matrix A,
Executing a program: Running the program would be completed by typing the name of the script; this would call the other functions: >> calcandprintarea Whenever prompt
Function fieldnames - structure functions: The function fieldnames will return the names of the fields which are contained in the structure variable. >> pack_fields = fiel
Print from the structure: To print from the structure, a disp function will show either the whole structure or a field. >> disp(package) item_no: 123 cost: 19.99
Patch function - graphics objects: The patch function is used to generate a patch graphics object, which is made from 2-dimensional polygons. The patch is defined by its verti
Examine exponential function: The algorithm for the main script program is shown below: Call a function eoption to show the menu and return the user's choice. Loop
Comparing strings: There are few functions which compare strings and return logical true when they are equivalent or logical false when not. The function strcmp compares the s
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