J-G van der Toorn
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Estadística
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32 Problemas
639 Soluciones
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MEDIA DE ME GUSTA
Accept 1 answer given by other contributors
Awarded to J-G van der Toorn on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to J-G van der Toorn on 20 Jul 2017
Receive 10 likes on a problem you have created
Awarded to J-G van der Toorn on 30 Jun 2021
Receive 25 likes on a problem you have created
Awarded to J-G van der Toorn on 20 Sep 2020
Publish your first review
Awarded to J-G van der Toorn on 09 Oct 2019
Publish your first submission
Awarded to J-G van der Toorn on 09 Oct 2019
Solve all the problems in Cody Problems in Japanese problem group
Awarded to J-G van der Toorn on 28 Feb 2018
Solve 500 problems
Awarded to J-G van der Toorn on 28 Feb 2018
Solve all the problems in Matrix Manipulation I
Awarded to J-G van der Toorn on 23 Feb 2018
Solve all the problems in CUP Challenge
Awarded to J-G van der Toorn on 24 Feb 2014
Create 10 problems
Awarded to J-G van der Toorn on 25 Oct 2013
Obtain 50 solvers for a problem you have created
Awarded to J-G van der Toorn on 01 Jul 2013
Feeds
Resuelto
Operate on matrices of unequal, yet similar, size
You may want to add a vector to a matrix, implying that the vector is added to each column of the matrix. Or multiply a 3x4x5 ma...
más de 6 años hace
Resuelto
Numbers on 7-segment
This is a 7-segment: _ |_| |_| It's a 3-by-3 char matrix.It has made by 3 characters: '_' , '|' and ' ' (space...
más de 6 años hace
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Calculate time taken by light to reach earth surface
We know the time(seconds) taken by light to reach surface of earth. What if the distance varies yearly or source of light moves ...
más de 6 años hace
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Draw 'H'
Draw a x-by-x matrix 'H' using 1 and 0. (x is odd and bigger than 2) Example: x=5 ans= [1 0 0 0 1 1 0 0 0 1 ...
más de 6 años hace
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Draw 'F'
Draw a x-by-x matrix 'F' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 1 1 0 0 0 0 ...
más de 6 años hace
Resuelto
Draw 'E'
Draw a x-by-x matrix 'E' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 1 1 0 0 0 0 ...
más de 6 años hace
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Mean = Standard Deviation
Create a series with following properties; # All of the members should be positive integer # Mean of the series should be in...
más de 6 años hace
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Find prime number couples
Given a vector a, which will always contain at least one pair of prime numbers couple, return a matrix called 'couple' in which ...
más de 6 años hace
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Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...
más de 6 años hace
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Clockwise or Counterclockwise
Given a list of 2-d points defining the vertices of a polygon, determine whether these points are sorted clockwise. The input...
más de 6 años hace
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Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...
más de 6 años hace
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Television Screen Dimensions
Given a width to height ratio of a TV screen given as _w_ and _h_ as well as the diagonal length of the television _l_, return t...
más de 6 años hace
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find number of times of occurrence of the most frequent number in a row vector
In a given row vector, find the number of times a mode of a row vector has occurred example: in [2 5 5 5 5 3], output is 4 ...
más de 6 años hace
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Draw 'D'.
Draw a x-by-x matrix 'D' using 0 and 1. example: x=4 ans= [1 1 1 0 1 0 0 1 1 0 0 1 1 1 1 0]
más de 6 años hace
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Basic Quadratic Equation
Create the equation: y=(3x)^2+(5x)+35 and compute y for various values of x
más de 6 años hace
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function to compute root mean square of first nn positive odd integers
Write a function called odd_rms that returns orms, which is the square root of the mean of the squares of the first nn positive ...
más de 6 años hace
Resuelto
Percentage of zeros in a matrix of only 1s and 0s
Write a function called _zero_stat_ that takes a matrix as an input that only has 0 and 1 elements. The function needs to comput...
más de 6 años hace
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Datetime basics
Generate the datetime scalar representing the current date
más de 6 años hace
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Check if there are white spaces in the input string
If there are white spaces in the input string, output=1 else 0
más de 6 años hace
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Remove white spaces at the end of the input string
Remove all trailing white spaces at the end of the input strings
más de 6 años hace
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Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle
más de 6 años hace
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Nth root of a number
Given an input and a number N, find the Nth root of the number(s)
más de 6 años hace
Resuelto
Dial Up
Each number on telephone keypads, except 0 and 1, corresponds to a set of uppercase letters as shown in this list: 2 ABC, 3 DEF...
más de 6 años hace
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Draw 'O' !
Given n as input, generate a n-by-n matrix 'O' using 0 and 1 . example: n=4 ans= [1 1 1 1 1 0 0 1 ...
más de 6 años hace
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Draw 'I'
Given n as input, draw a n-by-n matrix 'I' using 0 and 1. example: n=3 ans= [0 1 0 0 1 0 0 1 0] n=...
más de 6 años hace
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Day counter function
Write a function called _day_counter_ that returns the number of Mondays that fell on the first day of the month in a given year...
más de 6 años hace
Resuelto
Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...
más de 6 años hace
Resuelto
Computational power of Cody servers
It has been <https://en.wikipedia.org/wiki/Moore%27s_law#History predicted> that the performance of integrated circuits would _d...
más de 6 años hace
Resuelto
Basics: counting digits of a number irrespective of the sign
publish the number of digits in any input integer example: -23---->2
más de 6 años hace
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