20 questions linked to/from How to create a new "person curve"?
223 views

### how to Draw the letter geometrically by points [duplicate]

I have the given letter below. I want to draw it geometrically by using trigonometry and other formulas.Help me draw the letter OR give me the idea to draw the letter of any language using formulas. ...
16k views

### How can I draw a Homer with epicycloids? [duplicate]

You may have seen this video: https://www.youtube.com/watch?v=QVuU2YCwHjw. How does this work, and how to do it with Mathematica?
2k views

### Dynamic Epicycles

Thanks to all the thorough answers and comments, I've written the following code for an arbitrary number of epicycles. However, when I apply the formula \$\gamma(t)=e^{it}+\frac{1}{2}e^{7it}+\frac{i}{3}...
496 views

### How to convert the binarize-picture to a Region

The Region of Mathematica is nice,and is the new conception of version 10.0.I can convenient get ...
646 views

### Find path through a set of Coordinates

I have a set of coordinates that I need a robot to draw, thus it must take the shortest path along these coordinates. Plotting them looks like this: ...
1k views

### How do I find the intersection of a closed 3D curve given by numerical data with a specified plane?

I have a list of 3D data points which form a closed curve. My own data can't be easily generated analytically, but the qualitative behaviour is well represented by a parametric curve families such as <...
467 views

### How to get a smooth outline

I have a outline image img=Uncompress[FromCharacterCode[ Flatten[ImageData[Import["http://i.stack.imgur.com/cc0Mt.png"],"Byte"]]]] This is current method <...
841 views

### Eigenfunctions of the Laplacian on an arbitrary mesh

So, I've constructed a mesh over which I'd like to find eigenfunctions of Laplace's equation with a free boundary (a zero Neumann boundary condition along the edge). Mostly because I figured an ...
889 views

### How to graph the contour of a resulting Manipulate curve

How can the green contour be graphed? ...
333 views

### How can I use Mathematica to make a captcha image?

This was inspired by this post which is about the serious business of website deployment in the Wolfram Cloud, and interaction with Google's reCaptcha system. I started thinking of how to make those ...
321 views

### Creating a custom e-seal

Well, the question is obvious: how can I create the following e-seal (with the rotated wrapped text, inserted image etc) with Mathematica? The central image is the following So, the following ...
208 views

### How to fit implicit function based on an image in mathematica?

I know how to make a plot given a function, but I don't know how to get implicit function based on an image. For example, I have the image shown below (thumbnail): Full size image import: ...
677 views

### Convert a closed curve in an image to a parametric equation

I want to generate a parametric equation for a closed curve, which is defined in a 2d image (such as below). The equation is {x{t}, y{t}}; ...