Solved

count any radix?
given radix r(2-9), digts d(1-4), give all possible strings in sorted order. for example, if r=2, d=2, then output {'00' '01' '1...

12 years ago

Solved

Angles of the hands of a clock
For this problem, consider an analog (or at least continuous digital representation) of a clock. Our clock is a 12 hour clock w...

12 years ago

Solved

Matrix spiral
Make a spiral in a (n*n) matrix. The spiral has to start in the top left, and has to rotate clockwise to the center. The spiral ...

12 years ago

Solved

Find S-parameters of the circuit
Refer to <http://en.wikipedia.org/wiki/Scattering_parameters> for the information about the system of scattering parameters. ...

12 years ago

Solved

You LOVES Matlab 41%
Given two strings, determine the percentage that one loves the other in the following way: YOU LOVES MATLAB there is 1 '...

12 years ago

Solved

Bang Bang in Bangalore
Imagine a strange language disorder, Bangolangosis, has developed among trigonometricians of <http://en.wikipedia.org/wiki/Banga...

12 years ago

Solved

Greed is good - Simple partition P[n].
Find a simple partition P[n]. E.g. P[10] = 4 + 3 + 2 + 1. # There are many solutions, compute just one set. # Don't repeat ...

12 years ago

Solved

Map all the indices of an Array Indices into a Vector giving Index vs Row and Column
Create an array of the row and column values for the indices of an array. This is typically performed using [r c]=ind2sub(siz...

12 years ago

Solved

collision
several cars (n) were involved in this collision, the input matrix (vm) has n rows and two columns, first column for velocity an...

12 years ago

Solved

Find the elements of a matrix according to a defined property.
From A = [5,2,3] and B = [1,2,3,4,5,6,7,8,9,10] produce a vector C where : C(1) is the sum of the first A(1) elements of B, ...

12 years ago

Solved

Possible Outcomes of American Roulette
The payout for American roulette can be calculated by: payout = (38/n)-1 where n is the number of squares the bet covers. ...

12 years ago

Solved

Calculate Alcohol By Volume with Original and Final Gravity
Given an initial gravity of un-fermented wort (OG) and a final gravity of fermented wort (FG), better known as beer, it is possi...

12 years ago

Solved

polar inertia
given locations of a set of unit masses on complex plane, find polar moment of inerta about the origin. for example output 4 if ...

12 years ago

Solved

mathematics , probability problem
How many different result can we have, rolling k dice?

12 years ago

Solved

counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...

12 years ago

Solved

Pairwise Euclidean Distance
Given two matrices A,B of dimensions NxK and NxL respectively, calculate the pairwise euclidean distance of all vectors (columns...

12 years ago

Solved

Tax Season ! How much is my salary?
Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of th...

12 years ago

Solved

Sum of the pixel values for the blue color
Calculate the sum of the pixel values for the blue color, with a picture as an input. *NOTE:* The picture will be provided as...

12 years ago

Solved

Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

12 years ago

Solved

Find my birthday
Given a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what a...

12 years ago

Solved

love is an n-letter word
Given a list of *N words*, return the *N-letter word* (choosing one letter from each word) with the property of having the least...

12 years ago

Solved

Is X a Fibonacci Matrix?
In honor of Cleve's new blog and post: <http://blogs.mathworks.com/cleve/2012/06/03/fibonacci-matrices/> Is X a Fibonacci ...

12 years ago

Solved

Accumulate Cells
Given a combining function, a cell array, and an initial value, accumulate the result. For example, accumcell(@plus,{1,...

12 years ago

Solved

Aufbau principle
Given the order e=[1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p], find a vector x with these condi...

12 years ago

Solved

Function Sniffer
* Given a string, * find out which built-in functions are present, * output a simple string, * that has sorted and unique ...

12 years ago

Solved

swap sign sum & multiply castles
* It is an easy problem, if you know the answer. * Given a square matrix of NxN ordinary numbers. * Initially place N identi...

12 years ago

Solved

Blood test?
Assuming: the genetic makeup (genotype) of a child is coded as a pair with two components, combining half genotype of one parent...

12 years 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] ...

12 years ago

Solved

Linear system solve
Solve a linear set of equations as described in the following link: http://www.people.virginia.edu/~teh1m/cody/linsolv1.pdf

12 years ago

Solved

convert?
* Given a string containing a number followed by pounds or kgs, for example: * 'Billy lost 22 pounds in four weeks.' * 'Maria ...

12 years ago