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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to Count the Number of Circles in Given Digital Image Using MATLAB?
In this article, we will learn to implement MATLAB codes to count the number of circles in a digital image. The counting the number of circles in an image is performed by using various image processing techniques like image erosion, circle detection, etc. The step−by−step procedure to count the number of circles in a digital image in MATLAB is explained below: Step (1)− Read the input image. Step (2)− Convert the input image to grayscale, if necessary. Step (3)− Create a circular or disk−shaped structuring element of a specific size for erosion of the image. Step (4)− Erode the grayscale ...
Read MoreHow to Create a GUI Button in MATLAB App?
In MATLAB App environment, we can develop a GUI (Graphical User Interface) app without having proper knowledge of coding. Therefore, MATLAB app building allows us to create professional applications without writing code, and just by drag−drop. In this article, we will discuss how to create a GUI button in a MATLAB application. The step−by−step procedure to create a GUI button in a MATLAB app is explained below. Steps to Create GUI Button in MATLAB App We can follow the following steps to create a GUI button in a MATLAB application: Step(1)– Open the MATLAB command window. Step(2)– Launch the MATLAB ...
Read MoreHow to Quickly Sort Rows to Match Another Column in Excel?
In this article, the user will learn the process of sorting rows by matching the data with another column. Sorting rows to match the content of another column in Excel can be a powerful technique whenever a user needs to organize and align data efficiently. Whether the user has a dataset with related information in separate columns or in a case needs to arrange data according to a specific reference column. With the help of Excel, users can perform this task efficiently. By leveraging sorting functions, users can quickly restructure the data to make the data useful for analysis, comparison, ...
Read MoreHow to Quickly sort IP Address from Low to High in Excel?
Sorting IP addresses from low to high in Excel can be useful for the below-provided reasons: It is useful to identify the network ranges. It allows the identification of the contiguous network ranges. It helps in detecting duplicate records. This ultimately allows the user to resolve the potential conflicts in network configurations. It allows the user to enhance the readability of the stored data. Calculating the number of addresses in a particular range or ...
Read MoreHow to Identify or Highlight Expired or Upcoming Dates in Excel?
Identifying the expired or upcoming dates can be useful for cases such as understanding the project’s last date, the last date for some important activities, and many others. In the food and medicine industry expiration dates are important as companies need to dispose of their products according to the date of expiry as the food and medicine industry must follow some standards to deliver healthy products to living beings. In this article will learn the process of analyzing the data such as identifying or highlighting the expired or upcoming dates to Excel. This article describes two examples, first example focuses ...
Read MoreHow to Identify Uppercase, Lowercase, and Proper Cases in Excel?
This article illustrates the proper way to identify that the provided string is an uppercase, lower, or proper case. To do so simply use three formulas: upper(), lower(), and proper(). To understand more thoroughly consider the below provided explanation more precisely. This article describes three examples, here each example illustrates the process of using every function individually. Identifying data as uppercase, lowercase, and proper case is important when the user is cleansing the data in a large dataset, such as converting raw Excel sheet data into a meaningful full form to be used with power analytics tools. Let's ...
Read MoreHow to Identify and Select all Merged Cells in Excel?
In this article, users will understand how to identify and select all merger cells in Excel. This article contains three examples, first example is based on the process of using the VBA code, the second process allows user the to find and select a method, and finally, the third option allows the user to use the Kutools options. Excel merging cells allow the user to improve the visual layout and organization of data. Some most common benefits of merging cells are : Included improving the readability and presentation of data. ...
Read MoreHow to handle multiple rows selection using jQuery DataTables plugin?
Handling multiple rows selection in jQuery DataTables adds a powerful and intuitive interaction feature to your data tables. Whether you need to perform bulk actions, manipulate selected data, or simply provide a more user-friendly experience, the ability to select multiple rows simultaneously is invaluable. In this blog post, we will explore how to handle multiple rows selection using the jQuery DataTables plugin. We will delve into the configuration options, event handling techniques, and customization possibilities that allow you to seamlessly incorporate this functionality into your web applications. By the end of this article, you will have a solid understanding of ...
Read MoreCompute the mean, standard deviation, and variance of a given NumPy array
Mean, Standard Deviation and Variance are the statistical measures which are used to describe the distribution of the given dataset data. In Numpy library, we have the functions to calculate the mean, standard deviation and variance of the arrays. Let’s see one by one in detail. Mean Mean is also known as average, which is the sum of all the elements in the array divided by the total number of elements. It is used to represent the central tendency of the data. Syntax Following is the syntax for applying the mean function on the arrays - numpy.mean(arr) ...
Read MoreCompute the inverse of a matrix using inv() function of NumPy
The inverse matrix is a matrix that gives a multiplicative identity when multiplied with its original matrix. It is denoted by A-1. The inverse matrix can be calculated for the square matrices with the n x n size. The mathematical formula given for calculating the inverse matrix is as follows. A-1 . A = A . A-1 = I Where, A is the original matrix. A-1 is the inverse of the original matrix A. I is the identity matrix. Let’s take the original matrix as A with the size 2 x 2 and elements as ...
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