Rafi Ahmed
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I would love to explore different coding problems with the state-of-the-art approaches
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Question
Is This Bistatic Clutter Model Correct?
I have simulated a bistatic clutter model in the angle-Doppler domain using the clutter Doppler freqenency formula (found in lit...
presque 3 ans il y a | 1 réponse | 0
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réponseQuestion
Very Small Coefficients in Ellipse Curve Fitting Problem with Image Indices
I was trying to use the the concept with general equation of ellipse but it yields very small values for coefficients. Can someo...
plus de 3 ans il y a | 1 réponse | 0
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réponseA résolu
Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...
plus de 3 ans il y a
A soumis
Minimum Value of A Matrix (without using min function)
Determination of Minimum Value for Each Row and Whole Matrix without Using the 'min' Function of MATLAB
presque 5 ans il y a | 1 téléchargement |
A soumis
Find Armstrong Numbers for Certain Range
Function of Armstrong numbers for certain range.
presque 5 ans il y a | 1 téléchargement |
A résolu
Get the elements of diagonal and antidiagonal for any m-by-n matrix
In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...
presque 5 ans il y a
Question
How to get image of figure with exact same size after saving on computer
I would like to save image from a figure with exact same size. I have used export setup for specific size (e.g. points) of image...
presque 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Denoising Radar Image from White Noise
How Can I remove the white noise from the radar image below using a Treshold only?
presque 5 ans il y a | 1 réponse | 0
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réponseA résolu
Change a specific color in an image
The ability to change colors can be a useful tool in image processing. Given an m x n x 3 array (much like CData in images), fin...
plus de 5 ans il y a
A résolu
random picture with random colours
write a function which creates a random(x,y) matrix with random RGB colours for example create_pic(5,5) gives us a 3d matrix. ...
plus de 5 ans il y a
Question
Is it possible to get the exact 2D image of the CData matrix of surf plot?
I have a matlab 3D plot(attached figure). I want to extract the 2D image from the surf plot of matlab like this: is it pos...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to extract the 3D image without losing the other parameters?
I need to extract the 3D image from this Matlab figure(attached as .fig) and place it with same dimension without losing the par...
plus de 5 ans il y a | 1 réponse | 0
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réponseA résolu
Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...
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A résolu
Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...
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A résolu
Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...
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A résolu
Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
plus de 5 ans il y a
A résolu
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...
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A résolu
Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...
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A résolu
Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
plus de 5 ans il y a
A résolu
Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...
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A résolu
Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise
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Get the length of a given vector
Given a vector x, the output y should equal the length of x.
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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
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Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...
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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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Problème
Scalar Matrix Manipulation
Assume, input x is a scalar matrix such as, x = 2 0 0 0 2 0 0 0 2 th...
plus de 5 ans il y a | 1 | 46 solveurs
A résolu
Write a function man that takes a row vector v and returns a matrix H as follows..
Write a function called man that takes a row vector v as an input and returns a matrix H whose first column consist of the eleme...
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A résolu
Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...
plus de 5 ans il y a
A résolu
Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...
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A résolu
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
plus de 5 ans il y a