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Removing Whitespace Characters:
The MATLAB has functions which will eliminate trailing blanks from the end of a string and/or leading blanks from the starting of a string.
The deblank function will eliminate blank spaces from end of the string. For illustration, when few strings are padded in a string matrix so that all are of similar length, it is often preferred to then eliminate those extra blank spaces in order to actually use the string.
>> names = char('Sue', 'Cathy','Xavier')
names =
Sue
Cathy
Xavier
>> name1 = names(1,:)
name1 =
>> length(name1)
ans =
6
>> name1 = deblank(name1);
3
Illustration of Variable scope: Running this function does not add any of variables to the workspace, as elaborated: >> clear >> who >> disp(mysum([5 9 1]))
Expanding a function: The expand function will multiply out terms, and factor will do the opposite: >> expand((x+2)*(x-1)) ans = x^2 x-2 >> factor(ans)
Sorting Vectors of structures: Whenever working with vector of structures, it is very common to sort based on a particular field within the structures. For illustration, recal
Related Structure Functions: There are many functions which can be used with structures in a MATLAB. The function isstruct will return 1 for logical true when the variable arg
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
I have a vector of X, one for Y , one for x-direction velocity U and one for y-direction velocity V. they are at same size. How can I plot streamline of that flow? I follow all exa
Example of Menu driven modular program: As an illustration of such a menu-driven program, we will write a program to discover the constant e. The constant e, known as the n
Structures: The Structures are data structures which group together values which are logically related in what are known as the fields of structure. The benefit of structures
Scaling: change a row by multiplying it by a non-zero scalar sri → ri For illustration, for the matrix:
function imread: The function imread can read an image file, for illustration a JPEG (.jpg) file. The function reads color images into a 3-dimensional matrix. >> myimage1
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