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Edgar Guevara


Last seen: 20 giorni ago

CONACYT-UASLP, CIACYT

110 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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Submitted


barrier_grid_animation
Barrier grid animation is an effect created by moving a striped transparent overlay across an interlaced image. This file create...

circa 2 mesi ago | 3 downloads |

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

circa 2 mesi ago

Answered
Finding the t values of the Student's t test (t1-α,ν)
The t-value is inside the STAT structure, consider the following example: X = rand([100, 1]); Y = rand([100, 1]); [H,P,CI,STA...

6 mesi ago | 0

Answered
Plotting 2 lines in the same graph
Modify the last lines of your code: disp(['Time taken to reach ground (with NO drag) = ', num2str(t), ' seconds']) disp(['Tota...

6 mesi ago | 0

Answered
plotting frequency distribution of fft2 transformed image...
I believe that the following example may be useful: % spatial frequency (SF) filtering clear; close all; clc; filename = 'ima...

7 mesi ago | 0

Submitted


modularArithmetic
Modular arithmetic or modulo multiplication circle

9 mesi ago | 1 download |

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Submitted


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

9 mesi ago | 3 downloads |

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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...

10 mesi 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...

10 mesi 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 ...

10 mesi 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 ...

10 mesi 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...

10 mesi ago

Solved


square number
Square a number

10 mesi 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...

10 mesi 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...

10 mesi 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...

10 mesi ago

Submitted


erathostenes
The Sieve of Eratosthenes

10 mesi ago | 2 downloads |

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collatz
Checks for the Collatz conjecture for a given number

11 mesi ago | 3 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

circa 2 anni ago | 3 downloads |

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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...

circa 2 anni 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 ...

circa 2 anni 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...

circa 2 anni 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 ...

circa 2 anni 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...

circa 2 anni 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...

circa 2 anni 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...

circa 2 anni 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...

circa 2 anni 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...

circa 2 anni 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.

circa 2 anni ago

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