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Initializing the data structure - Function:
Function is shown as:
>> printcylvols(cyls)
Cylinder x has a volume of 169.6
Cylinder a has a volume of 100.5
Cylinder c has a volume of 169.6
Note that in the whole data structure, cyls, is passed into the function. The function loops through each and every element, where each is a structure. It prints the code field for each, that is given by the cyls(i) code. In order to compute the volume of cylinder, the radius and height are only required, so instead of passing the whole structure to the subfunction cylvol (that would be cyls(i)), only the dimensions field is passed. The function then receives the dimensions structure as an input argument, and uses a dot operator to refer the rad and height fields within it.
Replacement : Replace a row by adding it to (or subtract from it) a multiple of the other row. For a given row ri, this is written as ri - srj → ri Note that when r
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
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
Symbolic Variables and expressions: The MATLAB has a type known as sym for the symbolic variables and expressions; these work with strings. The illustration, to generate a sym
Simplification Functions: There are numerous functions which work with expressions, and simplify the terms. Not all the expressions can be simplified, but the simplify functio
Gauss Elimination: The Gauss elimination technique consists of: Generating the augmented matrix [A b] Applying EROs to augmented matrix to obtain an upper trian
For Loops which do not use an iterator Variable in the action: In all the illustrations that we seen so far, the value of the loop variable has been used in same way in the ac
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.
Illustration of gauss-jordan: Here's an illustration of performing such substitutions by using MATLAB >> a = [1 3 0; 2 1 3; 4 2 3] a = 1 3 0 2 1 3 4 2
Illustration of Graphics properties: A particular property can also be exhibited, for illustration, to view the line width: >> get(hl,'LineWidth') ans =
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