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David


自 2011 起处于活动状态

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统计学

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instantaneous phase angle plots?
Hello, I'm struggling with this last part of an instantaneous phase angle plots. I know how to get the phase angle yh=hi...

8 years 前 | 1 个回答 | 0

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Record timing of user input
wow that was very fast. thank you guys very much!!! this worked immediately.

11 years 前 | 0

提问


Record timing of user input
Hello and thank you for reading my question, I'm trying to display images and record the timing (and keyboard value if pos...

11 years 前 | 3 个回答 | 0

3

个回答

已回答
instantaneous phase angle plots?
ack! i just had to zscore normalize my signal! thankyou

11 years 前 | 0

| 已接受

提问


Lab vs RGB vs HSV color spaces for color detection?
I'm having trouble understanding why there exist multiple color spaces. That is, informatically, all three spaces have the same ...

11 years 前 | 1 个回答 | 0

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提问


how do I make a color (rgb) image look grayish?
how do I make a color (rgb) image look grayish? not grayscale per se, but iteratively "washout" the color? I basically want to m...

11 years 前 | 2 个回答 | 0

2

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提问


Real-time video capture with frame by frame comparsion
Hello, I would like to capture video using a computer camera (usb) and compare consecutive frames (i.e. get diff). I got the ...

11 years 前 | 1 个回答 | 0

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提问


Using PPM (Prediction with partial match) for predicting next symbol in sequence.
I'm trying to under the use of the PPM (Prediction with partial match) algorithm to predict the next symbol in a sequence of sym...

11 years 前 | 0 个回答 | 0

0

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提问


Warp just a subset of a plot
Hello, I'm trying to warp and move around aspects of a plot. I'm using Doug's George body figure. http://blogs.mathwork...

12 years 前 | 1 个回答 | 0

1

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提问


maximal subset N of binary matrix
Hello, i have a 200x200 symmetric binary matrix that's relatively sparse. I want to choose a subset N of rows with their matchi...

12 years 前 | 2 个回答 | 0

2

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已回答
rotation about a point
i found my error and here's the solution. thanks again for all your help! clf xx = 0 yy = -0.7 t = pi/4; A = [cos(t) ...

13 years 前 | 0

| 已接受

提问


rotation about a point
hello community, I'm slowly losing my mind trying to do something rather simple. I would like to rotate set of 2-d points ab...

13 years 前 | 3 个回答 | 0

3

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