As we learned in the previous tutorial that the time complexity of Linear search algorithm is O(n), we will analyse the same and see why it is O(n) after implementing it. Linear Search; Binary Search; The algorithm that should be used depends entirely on how the values are organized in the array. It compares each element with the value being searched for, and stops when either the value is found or the end of the array is encountered. The linear search is a sequential search, which uses a loop to step through an array, starting with the first element. While in the worst case it takes n comparison. Best case occurs when the key is at first position of the array. It traverses the array sequentially to locate the required element. key is the element being … Linear search is used on a collections of items. It searches for an element by comparing it with each element of the array one by one. Linear Search Advantages. It is easy to implement. Pseudo code /** * a[0:n-1] is an array of n elements. Linear Search Disadvantages. Linear Search. Binary search compares the search element to the middle element of the list. Linear search can be applied on both sorted or unsorted list of data. It relies on the technique of traversing a list from start to end by exploring properties of all the elements that are found on the way. Else if the search element is less than the middle value, the right half elements or all the elements after the … If the search element is greater than the middle element, then the left half or elements before the middle elements of the list is eliminated from the search space, and the search continues in the remaining right half. Linear Search- Linear Search is the simplest searching algorithm. For example, if the elements of the array are arranged in ascending order, then binary search should be used, as it is more efficient for sorted lists in terms of complexity. If the value being searched is not in the array, the algorithm will unsuccessfully search to the end of the array. It relies on the technique of traversing a list from start to end by exploring properties of all the elements that are found on the way. If there are n elements in the array then, in the best case key is found in 1 comparison. Linear Search Algorithm is applied when-No information is given about the array. Linear search, also called as sequential search, is a very simple method used for … Write pseudocode for the linear search algorithm, and then explain it’s complexity using big-O notation So, it is also called as Sequential Search. Following … Since the array elements are stored in linear order … It takes more time for searching data. Linear search is also known as sequential search. Linear search is a very basic and simple search algorithm. In the worst case the key element is either at the last position or not present in the array. In Linear search, we search an element or value in a given array by traversing the array from the starting, till the desired element or value is found. It is simplest and conventional searching technique. If the list have large numbers of data then it is insufficient for searching data. Implementing Linear Search .