Solved

Phonebook-like problem
strcmpi('Yes', 'No')

12 years ago

Solved

Get the elements of diagonal and antidiagonal for any m-by-n matrix
In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

12 years ago

Solved

calculate RMS voltage
given peak to peak voltage, calculate rms voltage

12 years ago

Solved

Television Screen Dimensions
Given a width to height ratio of a TV screen given as _w_ and _h_ as well as the diagonal length of the television _l_, return t...

12 years ago

Solved

Cody Computer Part 5 - Guess the Name of Cody Computer
Network computers have generally a nickname to be identified. Can you guess the nickname of the Cody Computer? No inpu...

12 years ago

Solved

Use of regexp
* Given a string, containing several sentences, such as: * 'I played piano. John played football. Anita went home. Are you safe...

12 years ago

Solved

calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

12 years ago

Solved

Average of square wave
given positive and negative peak , calculate dc level, 50% duty cycle

12 years ago

Solved

Narcissistic number ?
Inspired by Problem 2056 created by Ted. In recreational number theory, a narcissistic number is a number that is the sum of ...

12 years ago

Solved

Determine if input is a Narcissistic number
<http://en.wikipedia.org/wiki/Narcissistic_number Narcissistic number> is a number that is the sum of its own digits each raised...

12 years ago

Solved

Sunday bonus
Submit a solution on any Sunday and you will get 10 points. Only for MATLAB fans!

12 years ago

Solved

Convert Two Character String into a Binary Vector
Given a string "XOXXO" convert it into a binary vector. [1 0 1 1 0] Paul Berglund implemented an optimal method in <http://ww...

12 years ago

Solved

Create the following sequence : 0 1 1 4 9 25 64 169 ...
The sequence 0, 1, 1, 4, 9, 25, 64, 169, ... represents the square of the sequence of Fibonacci numbers. Let n repres...

12 years ago

Solved

Bit calculation
Give me the count of numbers from 1 to n having their last two bits as 0. For example function y = ret_count(4) y = x...

12 years ago

Solved

Wilf-Zeilberger pairs
Take as inputs two functions _F_ and _G_, and two scalar values _n_ and _k_. Test whether the functions are candidates to be a W...

12 years ago

Solved

Calculate the Hamming distance between two strings
Inspired by a similar Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-dist...

12 years ago

Solved

Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

12 years ago

Solved

Become the leader
The goal of this problem is the same as the goal of the rest of them: *become the leader*. Actually, you can only solve this ...

12 years ago

Solved

Toolbox check part 3
In my ongoing quest to highlight obscure parts of MATLAB, the latest challenge is to take 2 string inputs, one a MATLAB toolbox ...

12 years ago

Solved

find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

12 years ago

Solved

Center of mass
Given a matrix M(m,n), where m is the number of vertices of the geometrical element and n is 2 or 3 (2D-plane figure or 3D-solid...

12 years ago

Solved

Given a number between 1-365 (a day number in a non leap year) , find what day of what month it is.
For a given number between 1-365 (a day number in a non leap year), you should check which day of which month it is. for exam...

12 years ago

Solved

Parallel vectors
Return true or false depending on whether 2 vectors are parallel or not. Vectors can be 2 or 3 dimensional. The origin is not c...

12 years ago

Solved

The prisoner
"We want information, information, information." "Who are you?" Input can be a string or a number (array).

12 years ago

Solved

Calculate Engine Power
Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm

12 years ago

Solved

Mirror Image matrix across anti-diagonal
Given an input number x, create a Mirror Image matrix 'Y' across anti-diagonal in following way:- Example:- If x=3, Y= [1 ...

12 years ago

Solved

Grandpa's telescope
Two grandkids Dorothy and Benjamin are sharing a telescope made by their grandpa, who used an old lens of spectacles as the obje...

12 years ago

Solved

Calculate compression ratio of engine
Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)

12 years ago

Solved

The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

12 years ago

Solved

Saving MATLAB session to a file
How to save MATLAB session to a file?

12 years ago