# How do I draw a circle on an existing image in MATLAB?

An image is a matrix of pixels.Choose the pixels that make a circle, choose their location on the matrix and change the value.On a binary image (b/w) white = 1, black = 0On an RGB image, you have 3...
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http://answers.yahoo.com//question/index?qid=20120903204230AAigUBx

## How to Draw a Cube in Matlab?

MATLAB from Mathworks is a very useful computer software program for entering and analyzing data. The software can perform complex mathematical calculations and engineering simulations. You can als...
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http://www.ehow.com/how_8508859_draw-cube-matlab.html

## Circle of Fifths Tutorial: How to Draw a Circle of Fifths?

The circle of fifths is an intuitive method for determining the relationships among all of the tones and key signatures used in music. It offers composers a way to visualize how the tonic and fifth...
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http://www.ehow.com/how_8120172_circle-tutorial-draw-circle-fifths.html

## How to Draw a Circle?

Although there are many ways to draw a perfect circle, some work better than others in certain situations. Here are a few techniques; you pick your favorite!

http://www.wikihow.com/Draw-a-Circle

## How to Draw from a Picture Already Existing?

If you've ever tried to draw a picture, but you couldn't seem to make it look just right? This article will help you achieve a drawing you can be proud of.

http://www.wikihow.com/Draw-from-a-Picture-Already-Existing