Feifei

Last seen: 5ヶ月前 | 2023 年からアクティブ

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Image Processing 002 : Fix Vignetting in a Visible Sensor
The task is to correct image files for Visible scanning sensors that due to errant tolerancing produce vignetted(V) images. The ...

12ヶ月前

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Create an 8-color version of an image
This problem was inspired by a tweet I saw from @MATLAB regarding <http://www.mathworks.com/matlabcentral/fileexchange/37816-the...

12ヶ月前

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

12ヶ月前

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

12ヶ月前

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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more here) asserted that readers are relatively insensitive to letter order in words, so long a...

12ヶ月前

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Return area of square
Side of square=input=a Area=output=b

12ヶ月前

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

12ヶ月前

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Add two numbers
Given a and b, return the sum a+b in c.

12ヶ月前

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

12ヶ月前

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

12ヶ月前

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

12ヶ月前

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

12ヶ月前

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Find max
Find the maximum value of a given vector or matrix.

12ヶ月前

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

12ヶ月前

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Inner product of two vectors
Find the inner product of two vectors.

12ヶ月前

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

12ヶ月前

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

12ヶ月前

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MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

12ヶ月前

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Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

12ヶ月前

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Convert a grayscale image into RGB colour format, preserving data type
In the Image Processing Toolbox, MATLAB provides rgb2gray to convert a 3 channel color image into a 1 channel intensity...

12ヶ月前

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

12ヶ月前

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