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# Chris Williams

Active since 2013

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Question

Clarification of the detectSURFFeatures 'NumOctaves' parameter
I am looking for clarification on the 'NumOctaves' parameter for detectSURFFeatures, please. The description states that "Each o...

mer än 8 år ago | 1 answer | 0

### 1

Rotating an Image and Keeping the Bounding Box in Registration
If this is too difficult, I can restrict the transformation of the image to flipud and fliplr. I just need to then apply the sam...

mer än 8 år ago | 0

Question

Rotating an Image and Keeping the Bounding Box in Registration
I have an image, a small part of which is surrounded by a bounding box. I rotate the whole image x degrees. How can I also rotat...

mer än 8 år ago | 1 answer | 0

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Question

Plot Independent Planes in 3D Space
I am trying to plot independent planes in 3D space using one set of coordinates. For example: clear all; X = [0 1 ...

mer än 9 år ago | 1 answer | 0

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Question

Deleting Internal Faces in a Mesh
I have a mesh which is composed of contiguous cubes, like this example (top right image): http://www.mathworks.com.au/matlabc...

mer än 9 år ago | 1 answer | 0

### 1

Question

Describing Multiple Cubes using a Single Struct
If I use patch to draw two cubes like this: format compact h(1) = axes('Position',[0.2 0.2 0.6 0.6]); %----first cube---...

mer än 9 år ago | 1 answer | 0

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Splitting a matrix by even and odd numbers
Perfect, thanks!

mer än 10 år ago | 0

Question

Splitting a matrix by even and odd numbers
I have a 200x2 matrix. Column A contains a mixture of even and odd numbers. Column B contains 1s and 0s. Where the numbers i...

mer än 10 år ago | 2 answers | 0

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Convert an IP address to a Country Location
Great, thanks for your help. The local database looks the way to go.

mer än 10 år ago | 0

Question

Convert an IP address to a Country Location
Is there a way to convert a series of IP addresses to country locations?

mer än 10 år ago | 2 answers | 1