Saturday 25 August 2012

Relations and Functions

In the previous post we have discussed about Rotation Matrix and In today's session we are going to discuss about Relations and Functions. In mathematics, there are various ways are described that can maintain data in records in quick and accessible manner. Regarding to these technology relation and function are one of them. A Relations and Functions are two different things but they together to perform any particular task. A relation can be describing as a relationship between sets of data or values. Suppose there is a class in school. There are thirty students in class and each student has their own marks in particular subject. Now make a pair between names of students and their marks are known as relation.
On other hand arrange a pair of data in particular order can be considering as function. In the simple mean we can define the concept of Relations and Functions by using the concept of ordered pair which carries two values into it. Now on the basis of ordered pair a relation can simply be define as set of ordered pairs of values Like ( a0, b). Here ( a, b) can be consider as a ordered pair where value of ‘a’ can be considered as a value of domain and the second value of ordered pair are known as range. Here two new concepts arise during discussion that is domain and other is range. Here domain is known as collection of all first value of pair and range can be defined as collection of second value of ordered pair.
By using the definition of range and domain we can say that function is a process where the domain value makes a pair with only one value of their range. In mathematics, the values of ordered pair can either be negative or positive.
According to Radioactive Dating, it can be consider as a technique which is popular for date material like rocks. In India, those school’s who are affiliated from cbse Board, board provide cbse syllabus for class 9 to guiding school for better education.  

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