Resuelto

Given a base n, find the y values less or equal than 100(without 1), such that they will never produce a periodic number if we divide any whole number between some of them
A periodic number depends on the base b where we are working. So, for example the number 2/3 in decimal base is periodic(0.666...

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Resuelto

Squares in Squares - Concentric Squares
Given a number, n, create an n x n sized matrix with concentric squares of 1s from the outside in. There should be a gap between...

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Problema

Find numbers in the Popular Computing Z-sequence
Here’s a quick one. In 1977 the magazine Popular Computing sought “problem situations for which the computer is the best (if not...

más de 5 años hace | 3 | 18 solvers

Resuelto

Parsing Expressions - Binary Arithmetic Operators I
Parse and evaluate expressions like these: '1 + 2' '51 - 78' '42 * 9' The only operators are +, -, *. Both argu...

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Pizza order
A pizza order by phone in diameter d1, pizza will be make only in diameter d2. Return the pizza pieces p should be make.(pizza ...

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2) Are you more familiar with iteration methods or Linear Algebra ? Let's see together.
Referring to problem: https://www.mathworks.com/matlabcentral/cody/problems/44530-are-you-more-familiar-with-iteration-method...

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Resuelto

Are you more familiar with iteration methods or Linear Algebra? Let's see together.
Given a sum result *_x_* value of a *_N_* number of addends, build an array of _*N*_ elements _*y*_ such that the following equa...

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Roman numbers: how old is that building?
The front of old buildings sometimes show the year when they were built in roman numbers. These number are rather confusing and ...

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Resuelto

Draw matrix 'Swiss flag'( Euro 2020)
Draw a x-by-x matrix 'Swiss flag' using '1' and 0.(x is odd and bigger than 4) Example x=5 ans = [1 1 1 1 ...

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Resuelto

Minimum jumps to reach end of the array
Given an array of integers where each element represents the max number of steps that can be made forward from that element. Ste...

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Gallery function, learning
write a Function, edit something or Add something that give us like the following for random n: n=2 ans= [ 0 1 ...

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Peg Solitaire - Apply Move
About Peg Solitaire . Previous Problem. Consider inital board; If we move the peg located on (4,6) to the left (4) directio...

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Resuelto

Create a magic square matrix for a given odd integer
A magic square of size 'N' is a matrix that satisfies the following criterias: # Dimension - NxN # Matrix should contain ALL...

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Problema

List the nth prime quartet prefix
Prime numbers larger than 5 can end only in 1, 3, 7, or 9, but of course not all numbers ending in these four digits are prime. ...

más de 5 años hace | 1 | 10 solvers

Resuelto

create a function that give us like the following
x=3 y= [1 -1 -1 0 1 -1 0 0 1]; -------------------------------- x=5 y= [ 1 -1 -...

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MATLAB Basics: Complex Conjugates
For a given complex number, x, return the complex conjugate, y.

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MATLAB Basics: Complex Argument
For a given complex number, x, return the argument, y, in degrees.

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Resuelto

Distance a ball travels after throwing vertically
Calculate the total distance *'d'* (in meters) a ball would travel after *'s'* seconds and starting velocity of *'v'* (in m/s). ...

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Resuelto

Find and replace the zero array in a matrix
Find the zero array in the matrix and replace it with average of surrounding (adjacent) arrays. Example: A = 3 ...

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Polynomial Evaluation
Create a routine that takes a list of coefficients of a polynomial in order of increasing powers of x; together with a value of ...

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Resuelto

sparse_matrix
You convert a vector to a sparse matrix. for example *x* =[1 2 3]; output will be *y* = [1 0 0 ...

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Problema

Compute the sum of reciprocals of quadratics
Write a function to compute the following sum: See also Cody Problem 46000.

más de 5 años hace | 2 | 15 solvers

Problema

Compute the fractional derivative
Cody Problem 1370 asks us to compute the derivative of a polynomial. This problem extends that idea to fractional derivatives, w...

más de 5 años hace | 2 | 11 solvers

Resuelto

Create cell array of strings
Convert the input to a cell array, but only if necessary. If the input is a string, return a 1-by-1 cell array containing the...

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Problema

Pick the die most likely to win
After discussing Rock, Paper, Scissors, Lizard, Spock in The Simpsons and their Mathematical Secrets, Simon Singh writes that in...

más de 5 años hace | 1 | 15 solvers

Resuelto

MATLAB Basics: Complex Numbers
For a given complex number, x, return the real and imaginary parts as a vector, y = [Real Imaginary].

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Resuelto

Accessing value of variable whose name is stored in another variable as string.
Accessing value of variable whose name is stored in another variable as string. for example: var1=n; var2='var1'; %Assigning...

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Resuelto

given number is power of n or not?
Check weather The input is power of n or not? for example x=8,n=2 --> true x=6,n=2 --> false

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Min by mean
Substitute the minimum value in each row of a matrix A by the mean of that row (it should also work if the input is a vector)

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Average valid values of arrays
Given a 1D array (column or row vector), compute the average of valid values. Valid values are defined via two thresholds: minVa...

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