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Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

5 years ago

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Flipping a Matrix
Flipping matrix up and down. If a central row is exists, leave it, and flip remaining rows. Example Mat = magic(3) ...

5 years ago

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Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

5 years ago

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DETERMİNE bigger input
which one is biigger x or z

5 years ago

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Bto
Hangisi daha büyük

5 years ago

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Find parts of a circle.
Given radius (r) of a circle find the diameter (d), circumference (c), an area (a).

5 years ago

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Sum of diagonals
Compute the sum of diagonal elements of a square matrix and store the larger sum to s. Eg : a = [1 2 3; 2 3 4; 4 5 10] ...

5 years ago

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Is this number Munchhausen Narcissistic?
In this problem, simply return 1 if a supplied number is Munchhausen narcissistic or 0 if not. Example 153 is narcissistic...

5 years ago

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Polar Form Complex Number Entry
Write a function that takes the magnitude and angle(in degrees) of a complex number and returns a complex variable. Positive ang...

5 years ago

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Consecutive Powers
Return 2 numbers and 2 powers such that their difference is 1 A 4 element row vector is expected: x where x(1)^x(2) - x(...

5 years ago

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Index of a Rational number
The set of real numbers are infinite. They are so many that real numbers can't even be enumerated. However, unlike real numbers ...

5 years ago

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Kurchan 4x4 - Optimal score
Related to Problem 1646, but bigger. Technically, all you need to do for this Cody problem is input a 4x4 matrix containing the...

5 years ago

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Kurchan 5x5 - Optimal Score
Related to Problems 1646 and 2650, but bigger. Technically, all you need to do for this Cody problem is input a 5x5 matrix conta...

5 years ago

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Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

5 years ago

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Test if a Number is a Palindrome without using any String Operations
*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

5 years ago

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Identify the heavier bag
There are N=2^n bags of rice looking alike, N-1 of which have equal weight and one is slightly heavier. The weighing balance is ...

5 years ago

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Find out missing number from a vector of 9 elements
You are given a vector of size 9, x = [x1 x2 x3 x4 x5 x6 x7 x8 x9] Elements of x may be randomly selected without repeati...

5 years ago

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RMS value from a set of observations
Find rms value of a set of observations of a physical quantity? Hint: The observations are accessed in the form of vectors

5 years ago

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Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

5 years ago

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arrangement of symbols
There are n different symbols in which m symbols are identical (m<n). How many different arrangement can we make with these symb...

5 years ago

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Soccer - TOTO
How many different outcomes are there in a soccer-TOTO with n games? For each game there are three results: win - loss - equa...

5 years ago

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Inverse of Hilbert matrix
Given a non-negative integer x, return the element-wise power of 2 of the inverse of Hilbert matrix.

5 years ago

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Find similar sequences
Another problem inspired by a question on the <http://www.mathworks.com/matlabcentral/answers answers> forum. Given a matrix ...

5 years ago

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String revert
Revert all words in a sting x for example, if x = 'this is a sentence' then y should be 'sentence a is this'

5 years ago

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Check capital letters
Check if each first letter of a string is a capital letter. for example: 'This Is Ok' gives a true answer and 'This Is not Ok' ...

5 years ago

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Pad zero between every adjacent values of the vector.
you are given a vector x. you have to make an output vector y with zeros padded between every adjacent values of x. e.g x: ...

5 years ago

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Repeat the entries of the vector to their reference times in the vector.
e.g for input x: [ 7 3 9 5] output y: [ 7 3 3 9 9 9 5 5 5 5]

5 years ago

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Frequency Analysis of Text
Frequency analysis is a common task in cryptoanalysis. It is essentially counting the occurrences of alphabets (regardless of ca...

5 years ago

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Calculate vowel / consonant ratio of a string
Given a string, calculate the ratio of vowels to consonants for example : x = 'This is a very good Day!' y = 7/11

5 years ago

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Generate Square Wave
Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction ...

5 years ago