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Interests: Semi-numerical computing; adaptive signal processing; acoustic feedback and noise control; speech, image & video compression; 3D image processing and computer-vision
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Solved
How many days?!?
Christmas is coming earlier and earlier each year. Thanks to rampant commercialism and Christmas Creep, "The Twelve Days of Chr...
5 years ago
Solved
Cube root of max value in a vector
Find the cube root of the maximum value in a vector
5 years ago
Solved
Diagonal Pattern
For a positive integer |n|, return an |nXn| matrix |mat| such that the value of each element in row |i| and column |j| is given ...
5 years ago
Solved
Cannibal eating odd and even numbered men
There are N men in a queue. A cannibal eats either all odd-numbered or all even-numbered men in the queue at a time. In the fi...
5 years ago
Problem
Cannibal eating odd and even numbered men
There are N men in a queue. A cannibal eats either all odd-numbered or all even-numbered men in the queue at a time. In the fi...
5 years ago | 1 | 27 solvers
Solved
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...
5 years ago
Solved
Generate a string like abbcccddddeeeee
This is the string version of Problem 1035. <http://www.mathworks.com/matlabcentral/cody/problems/1035-generate-a-vector-like-1-...
5 years ago
Solved
Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
5 years ago
Solved
Birthday cake
It's Cody's 5th birthday, and you've been tasked with putting the candles on the cake. Your goal is to maximize the distance bet...
5 years ago
Solved
Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product
5 years ago
Solved
Modulation index
The amplitude of the carrier signal is 2V and the amplitude of the modulating signal is 8V. Find its modulation index.
5 years ago
Solved
Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
5 years ago
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Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...
5 years ago
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
5 years ago
Solved
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...
5 years ago
Solved
Convert yards to feet
The goal of this script is to convert a value given in yards to feet.
5 years ago
Solved
Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
5 years ago
Solved
Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...
5 years ago
Solved
Generate a melodic contour string matrix
<http://en.wikipedia.org/wiki/Parsons_code Parsons code> is a surprisingly effective way to identify music by its melodic motion...
5 years ago
Solved
Equal temperament - musical notes and frequency
Starting from 440Hz note (musical note A above middle C), create 13 notes, using twelve-tone equal temperament, in Herz units. ...
6 years ago
Question
How is the division of two numbers carried out in Matlab?
The behavior is as expected when both the denominator and the numerator are in 'double' precision. If either of the two are inte...
6 years ago | 1 answer | 1
1
answerSolved
Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...
6 years ago
Solved
Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...
6 years ago
Solved
Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...
6 years ago
Solved
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...
6 years ago
Solved
Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...
6 years ago
Solved
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,...
6 years ago