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Forward elimination:
In forward elimination, we want to obtain a 0 in the a21 position. To accomplish this, we can alter the second line in the matrix by subtracting from it 2 * the first row.
In this way we would write this ERO as:
Now, placing it back in the matrix equation form:
It says that the second equation is now -2x2 = 2 therefore x2 = -1. Now put it into the first equation:
x1 + 2(-1) = 2, and hence x1 = 4.
This is known as the back-substitution.
Program of passing arguments to functions: This was an illustration of a function which did not receive any input arguments nor did it return any output arguments; it easily a
Subfunctions: Though, it is possible to have more than one function in a given M-file. For illustration, if one function calls the other, the first function would be the prima
Function issorted - set operations: The function issorted will return 1 for logical true when the argument is sorted in ascending order (minimum to maximum), or 0 for false wh
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 dont know how to input different videos on matlab program
Set Operations: The MATLAB has numerous built-in functions which perform set operations on vectors. These involve intersect, union, setdiff, unique, and setxor. All these func
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Matrix operations: There are some common operations on matrices. The operators which are applied term by term, implying that the matrices should be of similar size, sometimes
Illustration of finding a sting: Let's enlarge this, and write a script which creates a vector of strings which are phrases. The outcome is not suppressed so that the string
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)
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