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**Content Feed**

Solved

Pernicious Anniversary Problem

Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

bijna 4 jaar ago

Solved

Energy of a photon

*⚛ ☢ ⚛ ☢ ⚛ ☢ ⚛* Given the frequency F of a photon in giga hertz. Find energy E of this...

bijna 4 jaar ago

Solved

How to subtract?

*± ± ± ± ± ± ± ± ± ± ±* * Imagine you need to subtract one...

bijna 4 jaar ago

Solved

Get all prime factors

List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...

bijna 5 jaar ago

Solved

Solve the Sudoku Row

*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

bijna 5 jaar ago

Problem

Avengers Assemble!

Given matrix with so many zeroes, trim those zeroes and output a matrix joining all nnz elements Example: input = [0 0 0 0 0...

bijna 5 jaar ago | 1 | 38 solvers

Solved

A matrix of introverts

You are given a matrix full of numbers who happen to be very shy. Write a MATLAB function that will put a square of zeros aroun...

bijna 5 jaar ago

Solved

Return elements unique to either input

Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

bijna 5 jaar ago

Problem

I told you not separate me, but you did :( - ACDC

Given input vector, output it's DC and AC value Example: input = 0 1 -1 0 ac = 0 1 -1 0 dc = 0

bijna 5 jaar ago | 2 | 45 solvers

Solved

Who is the smartest MATLAB programmer?

Who is the smartest MATLAB programmer? Examples: Input x = 'Is it Obama?' Output = 'Me!' Input x = 'Who ?' Ou...

bijna 5 jaar ago

Solved

Relational operators: Guessing game

Row array userGuess contains a sequence of user guesses. Create a logical indexing array correctGuess with true in each location...

bijna 5 jaar ago

Solved

Population growth

Assign finalPopulation with the population size given an initial population, population growth rate, and number of years. The fi...

bijna 5 jaar ago

Solved

Remove DC

Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

bijna 5 jaar ago

Solved

Arithmetic array operations

* Add x to each element of array temperatureReadings.

bijna 5 jaar ago

Solved

De-dupe

Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

bijna 5 jaar ago

Solved

Convert a vector into a number

This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

bijna 5 jaar ago

Solved

All your base are belong to us

Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

bijna 5 jaar ago

Solved

Arrange vector in ascending order

Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

bijna 5 jaar ago

Solved

Balanced number

Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

bijna 5 jaar ago

Solved

Logic array: Identifying qualifying times

Create a logic array qualifyingIndex with true for any location where the runner is male with a running time less than 8.2. Row ...

bijna 5 jaar ago

Solved

Logical operators: Flipping bits

The xor operator will toggle the bit if the bit is xored with 1. Ex: 1 XOR 0 = 1, 1 XOR 1 = 0. The xor operator will retain th...

bijna 5 jaar ago

Problem

Create Truth Table of Size according to input

Create a Truth Table Example: n = 3 output = [0 0 0; 0 0 1; 0 1 0; 0 1 1; 1 0 0; 1 0 1; 1 1 0; 1 1 1]

bijna 5 jaar ago | 0 | 35 solvers

Solved

Sum function: Counting cookies

Row array troopCookieSales contains the number of boxes of cookies sold by each troop member. Assign totalSales with the sum of ...

bijna 5 jaar ago

Solved

Function definition: Volume of a pyramid

Define a function CalculatePyramidVolume with inputs baseLength, baseWidth, and pyramidHeight. The function returns pyramidVolum...

bijna 5 jaar ago

Solved

Whether the input is vector?

Given the input x, return 1 if x is vector or else 0.

bijna 5 jaar ago

Solved

Indexing an array element

* Assign currentStudent with the second element of array testScores. _Reminder: Array indexing starts with 1._

bijna 5 jaar ago

Problem

Integrate Me

Given polynomial, output the integral (with k = 1 for simplicity purposes) Example: input = [2 1] % 2x+1 output = [1 1 1]...

bijna 5 jaar ago | 2 | 41 solvers

Solved

Multiply a column by a row

* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

bijna 5 jaar ago

Solved

Specific Element Count

Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

bijna 5 jaar ago