MKN

Active since 2013

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Professional Interests: Signal Processing

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Need help in analyzing image planes
% CODE 1 % Read RGB image x = imread('Lena.jpg'); rPlane = x(:,:,1); imshow(rPlane) % Displays Red Plane in Lena.jpg...

nästan 10 år ago | 1 answer | 0

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Cell Arrays to string
cellData = {'Matlab','is','a','high','level','programming','language'}; % Cell array combinedString = []; for i ...

nästan 10 år ago | 0

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Grayscale, monochrome, binary image in matlab
In Matlab, 1. An 8-bit gray scale image has pixel values ranging from 0 to 255. The pixel depth may vary (16-bit, 32-bit, etc...

ungefär 10 år ago | 1 answer | 1

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I have an array of length 256. It has either 0's and 1's of type uint8. I would like to concatenate it so that it occupies less memory and then recover the original array back. please check the eaxample
x = [1 0 1 1 1 0 0 1...........1] % uint8. length = 256. size = 256*8 = 2048 bytes xbin = 1011100...........1 % ...

ungefär 10 år ago | 2 answers | 0

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In an array of numbers (0 to 255 of data type uint8), if any number occurs more than 3 times, I would like to insert number '255' (uint8) in between the array and return the position where '255' was inserted. Can somebody please help me?
*Example:* input = [1 255 0 0 0 9 9 9 1 6 6 6 6 6 6 1]; _% array of numbers (uint8)_ output = ...

ungefär 10 år ago | 1 answer | 0

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

nästan 11 år ago

Solved

Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

mer än 11 år ago

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Output any real number that is neither positive nor negative
Output any real number that is neither positive nor negative

mer än 11 år ago

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Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

mer än 11 år ago

Solved

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

mer än 11 år ago

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sum of non-primes
The sum of the non-primes below 10 is 1+4+6+8+9+10=38 Find the sum of all the non-primes below the input, N.

mer än 11 år ago

Solved

Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

mer än 11 år ago

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Do you like your boss?
Do you like your boss? Answer can be any string! For example: Boss = 'Do you like your boss?'; Output = 'yes' or ...

mer än 11 år ago

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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.

mer än 11 år ago

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

mer än 11 år ago

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Add two numbers
Add two numbers (For beginners)

mer än 11 år ago

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Will there be a new leader?
Simply answer the title.

mer än 11 år ago

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Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

mer än 11 år ago

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

mer än 11 år ago

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Create a square matrix of multiples
Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

mer än 11 år ago

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Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

mer än 11 år ago

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Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

mer än 11 år ago

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given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

mer än 11 år ago

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

mer än 11 år ago

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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

mer än 11 år ago

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Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

mer än 11 år ago

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Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

mer än 11 år ago

Solved

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

mer än 11 år ago

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

mer än 11 år ago

Solved

Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

mer än 11 år ago

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