678 total contributions since 2012

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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...

environ un an ago

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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...

environ un an ago

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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 ...

environ un an ago

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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 ...

environ un an ago

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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 ...

environ un an ago

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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 ...

environ un an ago

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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...

environ un an ago

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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 ...

environ un an ago

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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...

environ un an ago

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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...

environ un an ago

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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...

environ un an ago

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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...

environ un an ago

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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 ...

environ un an ago

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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]

environ un an ago

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Basic Quadratic Equation

Create the equation: y=(3x)^2+(5x)+35 and compute y for various values of x

environ un an ago

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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 ...

environ un an ago

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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...

environ un an ago

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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

environ un an ago

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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

environ un an ago

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Perimeter of a semicircle

Given the diameter d, find the perimeter of a semicircle

environ un an ago

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Nth root of a number

Given an input and a number N, find the Nth root of the number(s)

environ un an ago

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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...

environ un an ago

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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 ...

environ un an ago

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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=...

environ un an ago

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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...

environ un an ago

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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 ...

environ un an ago

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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...

environ un an ago

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Basics: counting digits of a number irrespective of the sign

publish the number of digits in any input integer example: -23---->2

environ un an ago