23 questions linked to/from How to create a new "person curve"?
388 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. ...
24k 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?
3k 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}...
634 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 <...
574 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 ...
800 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: ...
2k 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 <...
1k 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 ...
341 views

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

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

### Can I Constrain ListInterpolation by Curvature?

Using image analysis, I have found the positions of a circular ring and imported them as xx and yy coordinates. I am using ...
1k 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}}; ...
302 views

### Smoother boundaries between components of segmented image

I'd like to use boundaries between components of a segmented image to create a mesh for finite elements, as described in Mesh for Images for three materials and meshes with multiple regions from 2D ...
409 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 ...