Yuval Cohen
Audio Pixels
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Estadística
CLASIFICACIÓN
3.863
of 300.369
REPUTACIÓN
14
CONTRIBUCIONES
1 Pregunta
1 Respuesta
ACEPTACIÓN DE RESPUESTAS
0.0%
VOTOS RECIBIDOS
5
CLASIFICACIÓN
9.782 of 20.936
REPUTACIÓN
68
EVALUACIÓN MEDIA
2.00
CONTRIBUCIONES
1 Archivo
DESCARGAS
1
ALL TIME DESCARGAS
688
CLASIFICACIÓN
753
of 168.436
CONTRIBUCIONES
0 Problemas
279 Soluciones
PUNTUACIÓN
2.740
NÚMERO DE INSIGNIAS
3
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0 Publicaciones
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MEDIA DE ME GUSTA
Feeds
Resuelto
First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero i...
más de 3 años hace
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Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
casi 5 años hace
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Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...
casi 5 años hace
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Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
casi 5 años hace
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Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...
casi 5 años hace
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Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
casi 5 años hace
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Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
casi 5 años hace
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Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....
casi 5 años hace
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Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...
casi 5 años hace
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Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...
casi 5 años hace
Resuelto
Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...
casi 5 años hace
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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:...
casi 5 años hace
Resuelto
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 ...
más de 12 años hace
Resuelto
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>...
más de 12 años hace
Resuelto
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...
más de 12 años hace
Resuelto
Cody Matlab Version
What is the current Cody Matlab Release? *Output:* string *Examples:* '(R2012a)' or 'R2012a' Hint: We have mo...
alrededor de 13 años hace
Resuelto
We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...
alrededor de 13 años hace
Resuelto
Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...
alrededor de 13 años hace
Resuelto
Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!
alrededor de 13 años hace
Resuelto
Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...
más de 13 años hace
Resuelto
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...
más de 13 años hace
Resuelto
Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...
más de 13 años hace
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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise
más de 13 años hace
Resuelto
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
más de 13 años hace
Resuelto
Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.
más de 13 años hace
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Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...
más de 13 años hace
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Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...
más de 13 años hace
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Cody Computer Part 1 - Guess the system font used by uipanel
list = listfonts return the list of available system fonts. Can you guess which font is used for uipanel on the CODY computer...
más de 13 años hace
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Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...
más de 13 años hace
Resuelto
Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9
más de 13 años hace
