http://www.matrixlab-examples.com/matlab-blog.html In this blog I propose some interesting Matlab exercises, examples and tutorials to cover powerful programming instructions to work with matrices, vectors and arrays. en-us matlab Sat, 04 Feb 2012 09:32:35 GMT Sat, 04 Feb 2012 09:32:35 GMT matrixlab-examples.com http://www.matrixlab-examples.com/palindromes.html Palindromes are phrases, words, numbers or other sequence of characters that are the same way in either direction. Let's see a Matlab algorithm... Sat, 04 Feb 2012 09:14:16 GMT http://www.matrixlab-examples.com/electricity-cost-calculator.html We’ll now implement a kind of electricity cost calculator with Matlab... This calculator will help you estimate the cost of operating any given electrical device or appliance at home, based on the average kilowatt-hours... Sat, 04 Feb 2012 09:14:15 GMT http://www.matrixlab-examples.com/recursion.html Recursion is a kind of tricky and smart construction which allows a function to call itself. The Matlab programming language supports it... Sat, 04 Feb 2012 09:14:13 GMT http://www.matrixlab-examples.com/dot-product.html The dot product is a scalar number and so it is also known as the scalar or inner product. In a real vector space, the scalar product between two vectors is calculated this way... Sat, 04 Feb 2012 09:07:33 GMT http://www.matrixlab-examples.com/matlab-programming.html In this Matlab programming example, we are going to plot two concentric circles and mark the center point with a black square. We use polar coordinates in this case (for a variation). Sat, 04 Feb 2012 09:07:31 GMT http://www.matrixlab-examples.com/vector-algebra-2.html We expose how simple it is to work with vector algebra, within Matlab. Row vector y can represent a straight line by doubling the x value (just as a slope = 2) and adding a constant. Something like y = mx + c. It's easy to perform algebraic operations on vectors since you apply the operations to the whole vector, not to each element alone. Sat, 04 Feb 2012 09:07:28 GMT http://www.matrixlab-examples.com/matlab-programs.html Learn to develop your own Matlab programs !! You'll write a function file to draw a circle of a specified radius, with the radius being the input of the function. You can either write the function file from scratch or modify the script file of this Tutorial Lesson... Fri, 03 Feb 2012 09:50:55 GMT http://www.matrixlab-examples.com/matlab-code.html In this tutorial, you'll develop step-by-step Matlab code Fri, 03 Feb 2012 09:50:54 GMT http://www.matrixlab-examples.com/matrices.html These examples show you to arrange and manipulate matrices in Matlab... Fri, 03 Feb 2012 09:19:52 GMT http://www.matrixlab-examples.com/magic-square.html Would you like to form a magic square with Matlab? Would you like to know why it is magic? Would you like to learn Matlab?... Fri, 03 Feb 2012 09:19:51 GMT http://www.matrixlab-examples.com/vectors.html In Matlab, you can form arrays of numbers - vectors or matrices - in a straight and intuitive way. See these examples... Fri, 03 Feb 2012 09:19:49 GMT http://www.matrixlab-examples.com/matlab-commands-2.html On this page we introduce some basic MATLAB commands. You can download a list of commands... Fri, 03 Feb 2012 09:19:48 GMT http://www.matrixlab-examples.com/gaussian-distribution.html How to plot a Gaussian distribution or bell curve in Matlab... Sat, 28 Jan 2012 07:26:46 GMT http://www.matrixlab-examples.com/callback-function.html In this article we’re going to build-up a simple adder. Our adder (by means of relevant callback function s) is going to have two ‘edit text’ components, two ‘static text’ components, and one ‘push button’ element. Sat, 28 Jan 2012 07:25:44 GMT http://www.matrixlab-examples.com/calculate-monthly-loan-payments.html Online spreadsheet to calculate monthly loan payments. It calculates the amount required as regular payments in order to repay a loan over a specified time period... Thu, 29 Dec 2011 03:14:29 GMT http://www.matrixlab-examples.com/collatz-conjecture.html The Collatz conjecture is an unsolved conjecture in mathematics. This problem is also known as 3n + 1, or the Syracuse problem; the sequence of numbers involved is referred to as the hailstone sequence. Let's see a code in Matlab... Fri, 23 Dec 2011 09:13:21 GMT http://www.matrixlab-examples.com/armstrong-numbers.html Armstrong numbers of three digits are integers such that the sum of the cubes of its digits equals the number itself. For example, 153 is an Armstrong number since 1^3 + 5^3 + 3^3 = 153... Fri, 23 Dec 2011 09:13:19 GMT http://www.matrixlab-examples.com/calculate-compound-interest.html To calculate compound interest, we need to add that interest to the principal, so that it earns interest, too... Thu, 22 Dec 2011 06:06:52 GMT http://www.matrixlab-examples.com/simple-interest-formula.html Online simple interest formula - use this spreadsheet to experiment with your numbers... Wed, 21 Dec 2011 06:42:27 GMT http://www.matrixlab-examples.com/future-value-annuity.html Online Future Value Annuity calculator. You enter regular deposits, number of deposits, number of years and nominal interest rate... Wed, 21 Dec 2011 06:39:56 GMT http://www.matrixlab-examples.com/salvage-value-calculator.html Online Salvage Value Calculator to determine residual value of assets. We show an example of a car depreciation... Wed, 21 Dec 2011 06:38:19 GMT http://www.matrixlab-examples.com/impulse-function.html How to plot the impulse function with Matlab. Some examples of Dirac delta or unit function... Mon, 12 Dec 2011 07:33:27 GMT http://www.matrixlab-examples.com/binary-to-decimal.html We present four variations of a binary to decimal conversion in Matlab; that is, we're going to convert binary numbers (numbers with only symbols '0' and '1') to decimal numbers (numbers with 10 different symbols, from '0' to '9')... Mon, 12 Dec 2011 07:32:08 GMT http://www.matrixlab-examples.com/polygon-area.html This program calculates a polygon area, using Matlab. You must supply the x and y coordinates of all vertices. Coordinates must be entered in order of successive vertices... Mon, 12 Dec 2011 07:31:16 GMT http://www.matrixlab-examples.com/find-intersections.html The problem of how to find intersections of given lines is very common in math or basic algebra. The meaning of those points is that the given lines or curves have the same coordinate values at some points... Mon, 12 Dec 2011 07:30:16 GMT http://www.matrixlab-examples.com/quadratic-equations.html We're creating now a Matlab program that calculates the quadratic roots (of quadratic equations ). The equation must be in the following form: ax2 + bx + c = 0, where a, b, and c are real coefficients... Mon, 12 Dec 2011 07:29:12 GMT http://www.matrixlab-examples.com/exponential-decay.html Let's calculate exponential decay if a mass decreases at a rate proportional to its value. Half-life is the period of time... Mon, 12 Dec 2011 07:28:15 GMT http://www.matrixlab-examples.com/definite-integrals.html Definite integrals or numerical integration can be performed by a number of algorithms that approximate the value of.... Thu, 01 Dec 2011 08:29:54 GMT http://www.matrixlab-examples.com/3d-graphs.html Three-dimensional plots ( or 3D graphs ) can be created by Matlab. It provides lots of facilities for visualization of 3D information or data... Thu, 01 Dec 2011 08:29:52 GMT http://www.matrixlab-examples.com/decimal-to-binary.html we present two methods of a decimal to binary conversion in Matlab; we're going to convert decimal numbers into binary numbers (numbers with only symbols '0' and '1', or in base 2)... Thu, 01 Dec 2011 08:29:50 GMT http://www.matrixlab-examples.com/derivative.html We are going to develop a Matlab function to calculate the numerical derivative of any unidimensional scalar function fun(x) at a point x0. The function is going to have the following functionality: D = Derivative(fun, x0) Thu, 01 Dec 2011 08:28:50 GMT http://www.matrixlab-examples.com/simultaneous-equations.html Solving a set of linear simultaneous equations is easy in Matlab. It is, maybe, the most used operation in science and engineering, too. Solving a system of equations on a computer is nowadays as basic as doing arithmetic additions using a calculator. Let's see how easy Matlab makes this task... Mon, 14 Nov 2011 08:10:16 GMT http://www.matrixlab-examples.com/open-source-programming.html It's important to be aware of what open source programming software can represent for companies or for individuals, at least... Wed, 09 Nov 2011 08:26:48 GMT http://www.matrixlab-examples.com/gray-code.html The Gray code (also known as reflected binary), is a system where two consecutive values differ in only one bit. We develop a Matlab code to convert between these systems... Thu, 03 Nov 2011 07:17:56 GMT http://www.matrixlab-examples.com/mastermind-game.html The goal of this Mastermind Game is to break the code of four colors hidden. In other words, you have to break the code... Tue, 25 Oct 2011 06:59:31 GMT http://www.matrixlab-examples.com/decimal-to-octal.html We present two methods of a Decimal to Octal conversion in Matlab; we're going to convert decimal numbers into octal ones (numbers with seven symbols '0' to '7', or in base 8)... Sat, 22 Oct 2011 08:53:04 GMT http://www.matrixlab-examples.com/a-guide-to-matlab.html MATLAB... quick start! The following information is a roadmap or a guide to MATLAB, and it's a good way to start learning its environment. These descriptions take you to further information. Click on the topic of your interest... Sat, 22 Oct 2011 08:52:09 GMT http://www.matrixlab-examples.com/fourier-analysis.html Fourier analysis has many applications in science, physics, digital signal processing, imaging, numerical analysis, acoustics... Let's use math software to... Thu, 13 Oct 2011 08:38:01 GMT http://www.matrixlab-examples.com/matrix-decomposition.html Matlab includes several functions for matrix decomposition or factorization: LU, QR, SVD, Cholesky... Let's see these examples... Thu, 13 Oct 2011 08:37:56 GMT http://www.matrixlab-examples.com/if-statement.html See how an if statement (if... elseif... else... end) works in Matlab. This allows you to establish control or conditional flow of your program... See these examples... Thu, 13 Oct 2011 08:37:55 GMT http://www.matrixlab-examples.com/gradient.html We are going to include the concepts in our Derivative function created before, to develop a Matlab function to calculate the gradient of a multidimensional scalar function. The function is going to have the following functionality... Wed, 12 Oct 2011 20:56:01 GMT http://www.matrixlab-examples.com/interpolation.html This code calculates the y-coordinates of points on a line given their x-coordinates ( interpolation ). It is necessary to know coordinates of two points on the same line. The point is interpolated using the following formula... Fri, 30 Sep 2011 02:43:43 GMT http://www.matrixlab-examples.com/determinants.html The symbol for determinants (which consists of the four numbers a1, b1, a2, b2) arranged in two rows and two columns is called a determinant of second order. The four numbers are called elements of the determ... Fri, 30 Sep 2011 01:37:33 GMT http://www.matrixlab-examples.com/polynomials.html Polynomials are used so commonly in algebra, geometry and math in general that Matlab has special commands to deal with them. The polynomial 2x4 + 3x3 − 10x2 − 11x + 22 is represented in Matlab by the array [2, 3, -10, -11, 22] (coefficients... Thu, 29 Sep 2011 00:45:26 GMT http://www.matrixlab-examples.com/linear-algebra-and-its-applications.html An example of linear algebra and its applications is the resolution of electrical circuits. We can describe this type of circuits with linear equations, and then we can solve the linear system using Matlab. For example, let's examine the following electrical circuit (resistors are in ohms, currents in amperes, and voltages are in volts)... Thu, 29 Sep 2011 00:45:25 GMT http://www.matrixlab-examples.com/periodic-function.html A periodic function repeats its values in regular periods or intervals. We explore codes for square and sawtooth waves without any special toolbox needed... Wed, 28 Sep 2011 23:54:12 GMT http://www.matrixlab-examples.com/circuit-simulator.html The circuit simulator WinSpice is driven from Matlab. In this article, a Matlab routine to drive the WinSPICE simulator is presented. This method can be easily adapted to simulate any circuit entered in a parameterized manner. This driver is illustrated by simulating a simple RC filter... Wed, 28 Sep 2011 23:54:09 GMT http://www.matrixlab-examples.com/math-magic-trick.html Funny math magic trick that you can test with Matlab. We’ll solve this problem with our numerical software as an excuse... Thu, 22 Sep 2011 00:52:42 GMT http://www.matrixlab-examples.com/simpsons-rule.html This code approximates the definite integral of a function. The integral is calculated using Simpsons rule. You must supply the limits of integration, the increment between points within the limits, and the function of the curve to be integrated... Thu, 22 Sep 2011 00:50:36 GMT http://www.matrixlab-examples.com/creative-electronic-projects.html These items are intended for very creative electronic projects. You can get an Electronic lab, with a solderless board and all the components that you need to work on 300 experiments... Tue, 13 Sep 2011 06:54:10 GMT