Rik
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E-mails with feedback/questions about FEX submissions are welcomed. In general I will post e-mails about Answers on the related page, unless there is good cause not to do so.
Estadística
13 Preguntas
3.198 Respuestas
29 Archivos
Cody0 Problemas
196 Soluciones
CLASIFICACIÓN
26
of 292.676
REPUTACIÓN
9.387
CONTRIBUCIONES
13 Preguntas
3.198 Respuestas
ACEPTACIÓN DE RESPUESTAS
30.77%
VOTOS RECIBIDOS
1.341
CLASIFICACIÓN
1.592 of 19.931
REPUTACIÓN
1.152
EVALUACIÓN MEDIA
4.80
CONTRIBUCIONES
29 Archivos
DESCARGAS
91
ALL TIME DESCARGAS
8247
CLASIFICACIÓN
717
of 147.817
CONTRIBUCIONES
0 Problemas
196 Soluciones
PUNTUACIÓN
2.578
NÚMERO DE INSIGNIAS
12
CONTRIBUCIONES
0 Publicaciones
CONTRIBUCIONES
0 Público Canales
EVALUACIÓN MEDIA
CONTRIBUCIONES
0 Temas destacados
MEDIA DE ME GUSTA
Feeds
Resuelto
Create cell array of numeric arrays
Convert the input to a cell array, but only if necessary. If the input is a numeric array, return a 1-by-1 cell array contain...
casi 2 años hace
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Low level NaN
* I have a dataset. Columns represents different variables. * A variable may start with NaN or any double type number. * If i...
casi 2 años hace
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Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.
casi 2 años hace
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Ridge regularized linear regression
Given a predictor data matrix of size , target variable vector of size and a shrinkage factor (scalar) (ridge regularization...
casi 2 años hace
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String Logic 3
Example: 'CAT' --> 'RPI' 'DOG' --> 'SDV' 'MATLAB' --> 'BPIAPQ' 'ROSY' --> 'GDHN' 'TRUST' --> 'IGJHI' 'MOSTLY' --> 'BDHI...
casi 2 años hace
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For a given linear index as input for n sized square matrix, find corresponding row and column.
If input is 1, the row and column will be 1 and 1 respectively.
casi 2 años hace
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Unique - Very Very Large Numbers
Given a vector column, with some very large numbers, create the ascending sort and unique vector. *Input:* A (column vector)...
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Find files with extension ext in the current directory
List all files with extension 'ext' in the current directory. Return a char matrix with the name of files in rows. Return 0 if...
casi 2 años hace
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Global usage
This Challenge is to utilize Global variables. Global variables are risky as the subroutine may inadvertently and unwantingly...
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Determina si el número es primo
Primero, antes que nada: ¿Qué es un número primo? Un número primo es cualquier número que solamente se puede dividir por 1 y ...
casi 2 años hace
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Maximum of ND-array
Find the maximum element of a N dimensional array. Example: A=[1 2 4 ; -20 4 10]; The maximum is 10.
casi 2 años hace
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Sum of Arithmetic Progression
Given the starting number, difference and the number of terms - find the sum of the arithmetic progression.
casi 2 años hace
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There are 10 types of people in the world
Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...
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Create initial basic feasible solution for transportation problems -Minimum Cost Method
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Create initial basic feasible solution for transportation problems - North-West Corner Method
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Numerical Integration
Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...
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Differential equations I
Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...
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Monte-Carlo integration
Write a function that estimates a d-dimensional integral to at least 1% relative precision. Inputs: * d: positive integer....
casi 2 años hace
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The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...
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Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...
casi 2 años hace
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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...
casi 2 años hace
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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 you n...
casi 2 años hace
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Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...
casi 2 años hace
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Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...
casi 2 años hace
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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...
casi 2 años hace
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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...
casi 2 años hace