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Edgar Guevara


Last seen: 2 días ago

CONACYT-UASLP, CIACYT

104 total contributions since 2012

Edgar Guevara is currently a CONACYT research fellow at CIACYT-UASLP. His research areas are optical imaging, functional connectivity, spectroscopy and biomedical signal processing. His current research interests are in non-invasive medical diagnosis. His past work includes research in epilepsy, cardiovascular disease, spinal cord injury and white matter injury in newborns. He received his PhD degree in Biomedical Engineering at École Polytechnique de Montréal in 2014, with a special mention of the jury.
https://sites.google.com/site/edgarguevara/

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Solved


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

2 días ago

Solved


Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

3 días ago

Solved


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 ...

3 días ago

Solved


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 ...

3 días ago

Solved


Find the two-word state names
Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

4 días ago

Solved


square number
Square a number

4 días ago

Solved


Who is the smartest MATLAB programmer?
Who is the smartest MATLAB programmer? Examples: Input x = 'Is it Obama?' Output = 'Me!' Input x = 'Who ?' Ou...

4 días ago

Solved


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...

4 días ago

Solved


Return the 3n+1 sequence for n
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...

4 días ago

Submitted


collatz
Checks for the Collatz conjecture for a given number

alrededor de 1 mes ago | 2 downloads |

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Submitted


modularArithmetic
Modular arithmetic or modulo multiplication circle

2 meses ago | 1 download |

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Submitted


Implementation of the Vancouver Raman Algorithm
Implementation of the Vancouver Raman Algorithm

alrededor de 1 año ago | 8 downloads |

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Submitted


Raman spectroscopy to screen diabetes mellitus
Raman spectroscopy is used non-invasively to screen diabetic patients, using ANN, PCA & SVM

alrededor de 1 año ago | 4 downloads |

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Solved


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...

alrededor de 1 año ago

Solved


Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

alrededor de 1 año ago

Solved


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

alrededor de 1 año ago

Solved


Pizza order
A pizza order by phone in diameter d1, pizza will be make only in diameter d2. Return the pizza pieces p should be make.(pizza ...

más de 1 año ago

Answered
how to display spectrogram of a audio in App Designer
Dear Austin, You need to specify which axes will be used for plotting, inside a callback for plotting such spectrogram, you m...

más de 1 año ago | 1

| accepted

Solved


Find indices of diagonal elements
Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and n...

más de 1 año ago

Solved


Return all matrix elements except elements on diagonal
Consider a given Matrix A=[a b c; d e f; g h i] then return a row vector T such that it contains all the El...

más de 1 año ago

Solved


poll: would you like the regexp (?@cmd) functionality to be banned in Cody?
This problem is a poll (and a little bit of "white hat hacktivism" as well) regarding Cody users sentiment about the use of rege...

más de 1 año ago

Solved


Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

más de 1 año ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

más de 1 año ago

Solved


Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

más de 1 año ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

más de 1 año ago

Solved


Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

más de 1 año ago

Solved


Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

más de 1 año ago

Solved


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...

más de 1 año ago

Answered
Why isn't my line visible on this graph?
Hi lmhall, The circle should be defined as a function of a vector (small *t*), not the 2-Dgrid (capital *T*), so, pleace repl...

alrededor de 2 años ago | 0

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