Solved

Fifteen Parity Check

The Matlab function fifteen initializes the 4x4 array with randperm(16), which produces 50% unsolvable puzzles. A <https://en.wi...

23 jours ago

Solved

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...

23 jours ago

Solved

Pandigital Factors (Based on Euler 491)

A Pandigital Number is a number containing all of the digits from 0-9 inclusive, with the added stipulation that it does not hav...

23 jours ago

Solved

Check if it is a square or cube of consecutive numbers

Check whether the element of given row vector is a square or cube of consecutive numbers. For example Input x=[4 27 16 25 ...

25 jours ago

Solved

A sequence of Ones

You are given number(s) with all digits - 1. Your answer will depend on the count of 1 in the given number, for example - x1...

26 jours ago

Solved

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...

28 jours ago

Solved

Best Fit RMS

Given a set of data as x and y, find the <http://en.wikipedia.org/wiki/Root_mean_square RMS> value between the data and its best...

29 jours ago

Solved

Create a v-notch vector without "sort" function

Given a vector vec, create a v-shaped vector as shown below: vec = [ 10 2 3 89 5 7 90 0 12] Output vector = [90 89 12 10 7 5 3 ...

29 jours ago

Solved

Sales Prediction

Miss X is a shopaholic person and every weekend she goes to a mall. There are total of 10 shops. Miss X starts from shop #1 and ...

29 jours ago

Solved

4 Digit Sequence Repetitions

Given a 4 digit integer, a sequence can be created such that the next digit in the sequence is the ones digit from the sum of th...

29 jours ago

Solved

Find left eigenvector of row stochastic matrix

Find the left eigenvector of the given stochastic matrix P that has eigenvalue 1. Normalize the vector so the sum of the entri...

29 jours ago

Solved

Convert a vector to a lower triangular matrix

I now have a row vector and I want to convert it to a lower trilangular matrix. The rows of the lower trilangular matrix have...

29 jours ago

Solved

Finger Counting

Just counting numbers using fingers. First all my ten fingers are closed. I will say 1 and open my one finger. Likewise for 6...

30 jours ago

Solved

Rescaling vector

Rescale the entries of a vector x so that it spams [a,b]. The new values should be linearly stretched into the new range. _Ex...

30 jours ago

Solved

Billiards

Considering there are 15 pool balls, (b), in the game of pool, and given a radius, (r). What is the volume, (V), of a rack in th...

environ un mois ago

Solved

Generate a melodic contour string matrix

<http://en.wikipedia.org/wiki/Parsons_code Parsons code> is a surprisingly effective way to identify music by its melodic motion...

environ un mois ago

Problem

Collect a set of candy wrappers

This past Halloween, the siblings Matilda and Labrun amused (and sometimes confused) their many neighbors with their costumes in...

environ un mois ago | 1 | 2 solvers

Solved

Normie Function (2)

Another _Normie Function_ defined as _f(n)= f(n-1)+f(n-2)+f(n-3)_ , *when n>3* and _1_ , *when n<=3*. *Find the nth term of this...

environ un mois ago

Solved

Normie Function

So, I built a function and gave it a name- _Normie_. *Find the nth term of Normie function:* _f(n)= 1*f(n-1)+ 2*f(n-3)+ 3_ , *...

environ un mois ago

Solved

Write a cubic formula function

Create a function that will output the three roots of a cubic equation specified by the 4 coefficients listed as input. The outp...

environ un mois ago

Solved

Cull vector elements that contain a specified digit

Given inputs of (1) a row vector and (2) a digit, identify the elements of that vector that contain the digit, remove them, and ...

environ un mois ago

Solved

Cancel Middle

Write a function called cancel_middle that takes A, an n-by-m matrix, as an input where both n and m are odd numbers an...

environ un mois ago

Solved

Sort (high on middle, low on ends)

Sort the vector of numbers in order low-high-low. Even numbers appear in ascending order on the left and odd numbers appear in d...

environ un mois ago

Solved

Performance - summation

Given a vector of natural numbers x = [1,2,3,...,N] compute the sum of its elements by not stressing the machine too much...

environ un mois ago

Solved

Find Sign(Zero Crossing) Changes in Array

Example; A = [1 2 3 -3 -4 -1 -24 2 4 -1 -2 3 1]; ans; [1 2 0 -3 -4 -1 0 2 0 -1 ...

environ un mois ago

Solved

Matrix Manipulation

Given an m*n matrix, see if a matrix contains any 0s in any row. if it contains 0 anywhere in any particular row, delete that ro...

environ un mois ago

Solved

Find if a given sentence is a palindrome

Given a string/character array, return true if the string is a palindrome else returns false. For example: sample_text =...

environ un mois ago