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The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

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Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

11년 초과 전

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Why does MATLAB crash when I use the Image Acquisition Toolbox?
The first thing that I would check is that you are using the correct version of the Point Grey FlyCapture software. I believe th...

11년 초과 전 | 0

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How can I adjust the contrast of a live video?
There isn't really a good way to get around this. What happens when you set the contrast while the preview is running is that th...

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Maximum running product for a string of numbers
Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

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Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

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Find relatively common elements in matrix rows
You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

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Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

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Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provide...

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Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

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Video Object wont get accepted
The second argument to the |getdata| command should be a single number, not a vector. You set the |FramesPerTrigger| property to...

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Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

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Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

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QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

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Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

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Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

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Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

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Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

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Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

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Can I use the Image Acquisition Toolbox to write to disk with two video sources and two output files at the same time?
If I understand your question properly, the problem doesn't seem to be with the disk logging, but with starting the acquisition....

거의 12년 전 | 0

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How to increase image quality when taking images through Image Acquisition Toolbox beyond available options in Hardware Browser?
The Logitech c920 has a 2304x1536 pixel sensor, so this is the maximum video resolution available using that camera. The larger ...

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What is the difference between videoinput and imaq.VideoDevice?
The object returned by |imaq.VideoDevice| is a <http://www.mathworks.com/discovery/stream-processing.html System Object> and is ...

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Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

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Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

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Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

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code for creating a realtime video and storing it at a fixed place using webcam
There is an <http://www.mathworks.com/help/imaq/examples/logging-data-to-disk.html example> in the doc that shows how to do this...

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imwrite through step() to snapshot a video saves red images why?
It looks like you are using a YCbCr format of your camera. When you are previewing or writing to disk, the toolbox converts the ...

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Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

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Simultaneous Video Display with continuous serial communication
The big problem that I see is in your startStopCamera_Callback function. You are continuously calling trigger and then getdata i...

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Disable "Warning: The ROIPosition property was modified by the device."
Although Image Acquisition Toolbox will allow you to specify arbitrary values for the ROIPosition property (within the allowed r...

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