Solved

Generate a Parasitic Number
This problem is the next step up from <http://www.mathworks.com/matlabcentral/cody/problems/156-parasitic-numbers Problem 156>. ...

10 years ago

Solved

Generalised Hamming Number
Inspired by Project Euler n°204 and Problem 1308 by James A generalised Hamming number of type n, has no prime factor larger ...

10 years ago

Solved

nth Rational Number
Return the nth rational number. This is the inverse to Problem <http://www.mathworks.com/matlabcentral/cody/problems/1471 1...

10 years ago

Solved

Polygonal numbers
The task of <http://www.mathworks.co.uk/matlabcentral/cody/problems/5 Problem 5> is to calculate triangular numbers. By playing ...

10 years ago

Solved

Polite numbers. Politeness.
A polite number is an integer that sums of two or more consecutive positive integers. Politeness of a positive integer is a num...

10 years ago

Solved

Polite numbers. N-th polite number.
A polite number is an integer that sums of at least two consecutive positive integers. For example _7 = 3+4_ so 7 is a polite...

10 years ago

Solved

frame of the matrix
Given the matrix M, return M without the external frame.

10 years ago

Solved

Find and replaces spaces from a input string with *
For a given input string str, find how many spaces are there in the string and replace those spaces with * e.g. str = 'this is ...

10 years ago

Solved

commutative?
Given the handle to a binary function that takes two ordinary numbers, test if the function is commutative.

10 years ago

Solved

Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

10 years ago

Solved

sinus function
x is the abscissa. find the absolute value of cosine of -x and the same value with changed sign.

10 years ago

Solved

Matlab Basics II - Free Fall
An object freely falling from rest under gravity covers a distance x given by: x = 1/2 gt^2 write a function that calculat...

10 years ago

Solved

Writing a recursive math function
Complete the recursive function RaiseToPower(). Ex: If userBase is 2 and userExponent is 4, then raisedValue is assigned wit...

10 years ago

Solved

Calculate distance travelled when given radius and rotations
When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

10 years ago

Solved

Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

10 years ago

Solved

Determine if input is a perfect number
A <http://en.wikipedia.org/wiki/Perfect_number/ perfect number> occurs whent the sum of all divisors of a positive integer, exce...

10 years ago

Solved

Matrix with different incremental runs
Given a vector of positive integers a (>=0); How does one create the matrix where the ith column contains the vector 1:a(i) poss...

10 years ago

Solved

Writing a function: MaxValue()
Write a local function named MaxValue that returns the maximum of two inputs numA and numB.

10 years ago

Solved

Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5

10 years ago

Solved

Cody Matlab Version
What is the current Cody Matlab Release? *Output:* string *Examples:* '(R2012a)' or 'R2012a' Hint: We have mo...

10 years ago

Solved

Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

10 years ago

Solved

Bit Reversal
Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

10 years ago

Solved

How many monitors are connected ?
How to obtain the numbers of monitors connected to your computer ?

10 years ago

Solved

Sum of diagonals elements of a matrix
Given a matrix, return the sum of all the elements across the diagonals. E.g. A = [1 2 3; 4 5 6; 7 8 9;...

10 years ago

Solved

Binary
Given a positive, integer n, create a function that returns the respective binary number in the form of a vector. Example: ...

10 years ago

Solved

Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

10 years ago

Solved

Sum of odd numbers in a matrix
Find the sum of all the odd numbers in a matrix. Example x = [2 3 5 7 1 4 11] y = 27

10 years ago

Solved

If-then-else
Complete the function below such that if the value of x is in the range 10 to 14, inclusive, the value 18 is assigned to y. Oth...

10 years ago

Solved

Convert Fahrenheit to Celsius
Calculate the Celsius temperature C given the Fahrenheit temperature F. Examples: Input F = 90 Output C is 32.22 I...

10 years ago

Solved

Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

10 years ago