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If you have an n-sided polygon in 2-dimensional space an nx2 array, with each column consisting of the coordinates of a vertex, will represent the polygon. In 3-dimensional space you will need a nx3 matrix. Once you have the coordinates of the vertices you can use appropriate formulae to calculate the side lengths, angles, etc.
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How do you find the size of an array in PHP?
To find the size of an array in PHP you can either use the count() function or the sizeof() function as they will produce the same result. <?php $array = array(1, 2, 3, 4, 5, 6, 7); echo count($array); // outputs 7 echo sizeof($array); // outputs 7 ?>
What is the simplest search technique to use to find an item in an array?
Linear search
How do you swap two adjecent no in array in c?
Option 1) Use a temporary variable: int x = array[i]; array[i] = array[i+1]; array[i+1] = x; Option 2) Use bit operators: array[i] ^= array[i+1] ^= array[i];
How does an array differ from a array?
'a array' is substandard, if you use it, you might be frowned upon.
How will you find the location of an element of an array?
Basically, &array[i]; That is, the memory location for an array object with index i. Or, you can do: (array + i);
How do you use arrays or area models to find factor pairs?
I am not sure what you mean with "area models". As for an array, one simple way to use it is to try out different factors in a loop; every time you find a factor, you write the factor to the next array element.
How do you find particular element in array?
by using index position we can find the particular element in array.
What is the need of array?
congugative memory allocation ,is use to array
How do you use Arrays to find factors of numbers?
You might use the array to store the results, since a number may be made up of several prime factors. As soon as you find a prime factor, save the result to the array, and continue looking for additional factors. If you want all factors, not just prime factors, the principle is the same; you can store the results of your calculations to an array.
Find index number of an given array?
For instance, you have array of type int with a name myArray, and you do not know size of the array. You can use following statement to get it:int arraySize = myArray/myArray[0];arraySize gives you number of elements in myArray.
What is the need of array variables?
congugative memory allocation ,is use to array
What formula do you use to find the volume of a shape with well defined sides?
It depends on the shape.
