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## Found 149 Articles for Data Analysis

21 Views

In MATLAB, a denoising filter is a tool that can reduce or remove noise from a digital image or a digital signal. As we know, noise is an unwanted signal or disturbance in a digital signal that impacts the quality of the signal or can cause errors in the signal processing. Therefore, it is required to remove or reduce the noise in a signal or image. This can be done with the help of a denoising filter. In this tutorial, we will explore several different types of denoising filter in MATLAB and will implement them using MATLAB programming. Types of ... Read More

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In mathematics, trapezoidal numerical integration is a method of approximating the definite integral of a function over a certain interval. In the trapezoidal numerical integration, a curve is divided into multiple trapezoids and then areas of all the trapezoids are calculated and added to estimate the total area under the curve. It is a basic method for approximating the definite integral of a function. Hence, it is not much accurate as the other advanced integration methods. However, for simple functions, this method can provide a reasonable approximation. Trapezoidal Numerical Integration Using MATLAB In MATLAB, we have a built-in function 'trapz' ... Read More

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In MATLAB, we can create a video from a sequence of images. In this tutorial, we will explore the steps involved in creating a video from an image sequence and will take an example to understand the concept practically. Process of Creating Video From a Sequence of Images The step-by-step process of creating a video from a sequence of images is explained below − Step (1) − Firstly, collect all the images in a folder that we want to use in the video. Step (2) − Read all the images using the 'imread' function and store them in a ... Read More

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In MATLAB, we have a built-in GUI App Designer environment that allows us to develop various types of GUI (Graphical User Interface) applications with proper knowledge of software engineering and programming. In this MATLAB’s app designer environment, we can create various kinds of GUI components such as TextFields, Buttons, NumEditFields, Labels, Hypertext, and more. In this tutorial, we will explore how to create a TextArea Component in MATLAB app. TextArea Component in MATLAB In MATLAB, the TextArea is a GUI component allows application users to input a string of text. MATLAB provides a built-in function ‘uitextarea’ to create a TextArea ... Read More

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In MATLAB, a matrix is nothing but a 2D (two-dimensional) array of numbers arranged in multiple rows and columns. Matrix is the most elementary data structure in MATLAB programming which is utilized to store and manipulate data. In this tutorial, we will learn how to create a new matrix from all possible row combinations in MATLAB. For this, we can use MATLAB's built-in function 'randperm'. The 'randperm' function will randomly select a row index and create a new matrix. Algorithm The step-by-step process to create a new matrix from all possible row combinations is described below − Step (1) ... Read More

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MATLAB is an efficient tool to create matrices. In MATLAB, a matrix is a two-dimensional array that can store data in the form of rows and columns. MATLAB allows us to create matrices by using nested loops. In this tutorial, we will learn how to create a matrix using a nested loop in MATLAB. In MATLAB, creating a matrix using nested loop is a straightforward two step process. The step-by-step process to create a matrix using a nested loop is explained below − Step (1) − Initialize the matrix and specify the loop limits depending on the number of ... Read More

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In MATLAB, we can use the MATLAB's built-in GUI environment 'App Designer' to create a hyperlink component. The App Designer Environment of MATLAB allows to create several types of GUI components like hyperlink, buttons, sliders, text fields, etc. To create a hyperlink component in MATLAB, we can use a built-in option 'uihyperlink'. This function creates a GUI hyperlink component in MATLAB. This function allows users to navigate across web resources with a single click. The 'uihyperlink' function creates a hyperlink object in a MATLAB app. The 'uihyperlink' function can have the following syntaxes. (1). Create Hyperlink Object with Default Properties ... Read More

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Discrete Fourier transform and Inverse discrete Fourier transform are two mathematical operations used to analyze functions and signals in the frequency domain. Both DFT and IDFT are widely used in the field of digital signal processing to synthesize and analyze the digital signals. Let's discuss a bit more about the Discrete Fourier Transform (DFT) and Inverse Discrete Fourier Transform (IDFT) individually. What is Discrete Fourier Transform (DFT)? In mathematics, the discrete Fourier transformation (DFT) is a transformation technique that is used to convert a sequence of discrete datapoints from time domain to frequency domain. DFT basically converts a sequence of ... Read More

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In mathematics, differential or derivative is one of the fundamental operations used to determine the rate of change of a function. Therefore, derivatives are crucial to analyze various scientific and engineering processes or functions. We can perform derivates using various mathematical tools like MATLAB. In this tutorial, we will explore how to calculate derivative of a given mathematical function using MATLAB. But before that let's first get an overview of derivative. What are Derivatives? Derivative is a mathematical operation used to compute the rate of change occurring in a function or a process. In terms of geometry, derivates is defined ... Read More

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Electric motors are present in the industry to help us to drive a lot of numbers of mechanical loads in the industry. They have a moving and stationary part to interact with the magnetic field and current to transform electric energy into mechanical energy. They have dominated the industry from automobiles to robotics and household to industrial applications. In this tutorial, we will explore the important differences between a reluctance motor and an induction motor. The most fundamental difference between a reluctance motor and an induction motor is that a reluctance motor operates on the principle of magnetic reluctance while ... Read More