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 Thu, 29 Jul 2010 03:08:49 GMT Thu, 29 Jul 2010 03:08:49 GMT matrixlab-examples.com http://www.matrixlab-examples.com/using-matlab.html Start using Matlab right away! In this tutorial you'll log on or invoke MATLAB, do a few trivial calculations and log off Thu, 29 Jul 2010 03:06:59 GMT http://www.matrixlab-examples.com/trapezoidal-rule.html This code approximates the definite integral of a function. The integral is calculated using the trapezoidal rule. Parameters of the function are the limits of integration and the number of intervals... Thu, 29 Jul 2010 03:04:57 GMT http://www.matrixlab-examples.com/break-statement.html The break statement lets you exit early from a for or while loop. In nested loops, break exits from the innermost loop only. Thu, 29 Jul 2010 03:02:53 GMT http://www.matrixlab-examples.com/matlab-code.html In this tutorial, you'll develop step-by-step Matlab code Thu, 29 Jul 2010 02:55:20 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... Thu, 29 Jul 2010 02:53:16 GMT http://www.matrixlab-examples.com/gaussian-distribution.html How to plot a Gaussian distribution or bell curve in Matlab... Thu, 29 Jul 2010 02:48:41 GMT http://www.matrixlab-examples.com/matlab-plots.html These examples introduce several Matlab plots and its main features... In this group of exercises, we are going to create several MATLAB plots. Thu, 29 Jul 2010 02:46:01 GMT http://www.matrixlab-examples.com/simple-animation.html advantage of Matlab’s simple animation capabilities. We expose the basic method or algorithm for animations... Thu, 29 Jul 2010 02:39:37 GMT http://www.matrixlab-examples.com/simple-animation-3d.html We’re going to experiment with simple animation in 3D. We are going to work with a sphere and are going to rotate our view angle. In the second experiment, we’re going to draw a paraboloid, change its size and rotate... Thu, 29 Jul 2010 02:37:33 GMT http://www.matrixlab-examples.com/matlab-plot-3.html In this example, we study the Matlab plot 'stem' instruction to illustrate functions. It draws vertical lines with a little circle on the tip proportional to the value of the function at that horizontal value. Thu, 29 Jul 2010 02:34:56 GMT http://www.matrixlab-examples.com/polar-plots.html Polar plots use magnitudes and angles. In this article we’ll show the Matlab built-in commands 'compass', 'polar' and 'rose'... Thu, 29 Jul 2010 02:12:33 GMT http://www.matrixlab-examples.com/3D-plot-part4.html In this example we make a summarization of the use of the following 3D plot instructions: meshgrid, figure, contour3, mesh, surfc, surfl... Thu, 29 Jul 2010 02:10:44 GMT http://www.matrixlab-examples.com/t-distribution.html This algorithm (Matlab program) calculates right-tail values for points on a t distribution curve. You must provide the value of t and the degrees of freedom... Thu, 29 Jul 2010 02:01:50 GMT http://www.matrixlab-examples.com/horizontal-lines.html We show you how to draw horizontal lines (and vertical lines) in Matlab, and add them to any given plot... Thu, 29 Jul 2010 01:51:04 GMT http://www.matrixlab-examples.com/matlab-plot.html In this tutorial you create and print a Matlab plot (don't forget to check the other presented tutorials...) Thu, 29 Jul 2010 01:49:09 GMT http://www.matrixlab-examples.com/hist.html This is how you can easily display histograms using the Matlab hist function... Sun, 25 Jul 2010 16:32:13 GMT http://www.matrixlab-examples.com/matlab-codes.html Here are some examples of Matlab codes, scripts and functions. Sun, 25 Jul 2010 16:29:47 GMT http://www.matrixlab-examples.com/complex-numbers.html The unit of imaginary numbers is root of -1 and is generally designated by the letter i (or j). Many laws which are true for real numbers are true for complex numbers as well... Sun, 25 Jul 2010 16:19:15 GMT http://www.matrixlab-examples.com/2D-plots.html These are the basic instructions in Matlab to obtain 2D plots. See these examples... Sun, 25 Jul 2010 16:16:32 GMT http://www.matrixlab-examples.com/switch-statement.html The switch statement in Matlab executes groups of instructions or statements based on the value of a variable or expression. See these Matlab examples... Sun, 25 Jul 2010 16:13:20 GMT http://www.matrixlab-examples.com/3D-plot-part3.html In this part, we demonstrate the use of the 3D plot function 'sphere'. We are going to draw a unit sphere centered at the origin and generated by matrices x, y and z... Sun, 25 Jul 2010 16:07:32 GMT http://www.matrixlab-examples.com/3D-plot-part1.html Matlab provides many powerful instructions for the visualization of 3D Plot. The instructions provided include tools to plot wire-frame objects, 3D curves, surfaces... and can automatically generate contours... Sun, 25 Jul 2010 15:57:15 GMT http://www.matrixlab-examples.com/matlab-gui-2.html We are going to develop a Matlab GUI that performs a magic trick! (You can download the code!) We’re going to work on an interface to read your mind! Don’t be scared... it’s safe (as far as I know...). It’s an old trick that has been around for at least 40 years (maybe more), but this is my version with Matlab... Sun, 25 Jul 2010 15:54:50 GMT http://www.matrixlab-examples.com/matlab-gui.html We are going to develop a simple Matlab GUI. We’ll use the Matlab GUIDE (Graphical User Interface Development Environment) which is pretty handy... This article is a super-fast introduction, but very convenient because with some ingenuity you can learn it in 10 minutes... or so... Sun, 25 Jul 2010 15:52:03 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, 24 Jul 2010 00:04:57 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, 24 Jul 2010 00:01:38 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... Fri, 23 Jul 2010 22:34:27 GMT http://www.matrixlab-examples.com/data-analysis.html We're going to do data analysis by reading text files with Matlab, processing data and writing output to another text file... Fri, 23 Jul 2010 22:32:05 GMT http://www.matrixlab-examples.com/resistor-code.html We're going to develop a Resistor Code - Matlab GUI. The intention is to be able to automatically decode the colors of four-band resistors... Fri, 23 Jul 2010 22:30:06 GMT http://www.matrixlab-examples.com/cramers-rule.html The method of solution of linear equations by determinants is called Cramers Rule. This rule for linear equations in 3 unknowns is a method of solving by determinants the following equations for x, y, z... Fri, 23 Jul 2010 22:28:07 GMT http://www.matrixlab-examples.com/3D-plot-part2.html The 3D plot functions intended for plotting meshes and surfaces 'mesh' and 'surf', and their several variants 'meshc', 'meshz', 'surfc', and 'surfl', take multiple optional input arguments, the most simple form being 'mesh(z)' or 'surf(z)', where z represents a matrix. See these examples... Fri, 23 Jul 2010 22:25:32 GMT http://www.matrixlab-examples.com/cell-arrays.html Cell arrays are able to store variables of different size or type (very much like structures in other programming languages). It is the most versatile data object... Thu, 22 Jul 2010 22:51:49 GMT http://www.matrixlab-examples.com/line-detection.html This experiment explores line detection (image analysis) with Matlab... Sun, 13 Jun 2010 07:13:21 GMT http://www.matrixlab-examples.com/rgb-images.html We'll demonstrate some basic ideas on RGB images or image processing in Matlab. These concepts are fundamental and... Mon, 07 Jun 2010 06:51:40 GMT http://www.matrixlab-examples.com/square-root-algorithm.html We’ll explore a square root algorithm as an excuse to use while-loops in our numerical software. We’re not going to use the built-in function 'sqrt'... Wed, 19 May 2010 04:23:48 GMT http://www.matrixlab-examples.com/comet-plot.html This type of comet plot is a simple way to produce comet-like trajectories or simple animations. See these example... Thu, 13 May 2010 08:03:01 GMT http://www.matrixlab-examples.com/lagrange-interpolation.html this is the algorithm for the Lagrange interpolation, intended as an improvement for linear interpolation... Thu, 06 May 2010 23:09:10 GMT http://www.matrixlab-examples.com/ms-excel.html How to interchange information between MS Excel and Matlab: a practical example... Fri, 16 Apr 2010 17:16:44 GMT http://www.matrixlab-examples.com/nonlinear-programming.html This example of nonlinear programming solves a curve fitting problem over a group of unknown variables along with an objective function to be minimized... Mon, 29 Mar 2010 09:08:19 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... Sun, 07 Mar 2010 07:30:48 GMT http://www.matrixlab-examples.com/simultaneous-equations-nonlinear.html Nonlinear Simultaneous Equations - how to develop a function to solve systems. We’ll use ‘fminsearch’ to find the intersection of the curves... Sun, 07 Mar 2010 07:22:11 GMT http://www.matrixlab-examples.com/mathematical-optimization.html Let's explore mathematical optimization with Matlab functions 'fminbnd' and 'fminsearch' to achieve minimization of functions... Fri, 05 Mar 2010 07:09:59 GMT http://www.matrixlab-examples.com/hex-to-binary.html To convert from hex to binary numbers, we first need to know what a hexadecimal number is. A major numbering method in digital systems is the hexadecimal system... Mon, 22 Feb 2010 06:27:26 GMT http://www.matrixlab-examples.com/binary-to-hexadecimal.html To convert from binary to hexadecimal numbers, we first need to know what a hexadecimal number is. A major numbering method in digital systems is the hexadecimal system... Mon, 22 Feb 2010 06:26:19 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)... Sun, 14 Feb 2010 23:00:46 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')... Sun, 14 Feb 2010 22:59:41 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... Sat, 30 Jan 2010 06:51:02 GMT http://www.matrixlab-examples.com/random-numbers.html We’ll use Matlab to generate random numbers so that we can discuss its statistical capabilities and explore some simulations... Mon, 18 Jan 2010 03:36:38 GMT http://www.matrixlab-examples.com/polynomial-roots.html Let's see how we can find polynomial roots (aka zeros) with Matlab. This routine also applies to... Mon, 11 Jan 2010 04:02:36 GMT http://www.matrixlab-examples.com/fibonacci-numbers.html The first two Fibonacci numbers are 0 and 1, and each remaining number is the sum of the previous two. Some sources neglect the initial 0, and instead beginning the sequence with the first two 1s... Mon, 11 Jan 2010 04:01:54 GMT