Solved


Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

13 years ago

Solved


Create a "map" of 2D wavelet coefficients
Generate a matrix that for an image of size r*2^S by c*2^S indicates index of the wavelet subbands after <http://en.wikipedia.or...

13 years ago

Solved


Rearrange coefficients after block based DCT transform.
Two dimensional block-based discrete cosine transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II (DCT-II)> i...

13 years ago

Solved


That's some divisor you've got there...
Given a positive integer x, calculate the sum of all of the divisors of the number. Please include the number itself in your fi...

13 years ago

Solved


Smith numbers
Return true if the input is a Smith number in base ten. Otherwise, return false. Read about Smith numbers at <http://en.wikipedi...

13 years ago

Solved


Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

13 years ago

Solved


Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

13 years ago

Solved


Find the maximum two numbers of every column of a matrix
Find the maximum two numbers of every column of a matrix. Example: If we input a matrix A = [ 1 2 4 6 0 3 ...

13 years ago

Solved


Find the position of last minimum value in an integer array with numbers
If x = [2 6 4 9 -10 3 1 5 -10] then the output should be 9, because last minimum value (-10) lies at the 9th position.

13 years ago

Solved


Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

13 years ago

Solved


Axis colors of matlab created PNG changes after saving in Powerpoint
Hi everybody, i'm post-processing data with MatLab saving the images in the png format. I tried both ways saving the images: ...

13 years ago

Solved


Returning a "greater than" vector
Given a vector, v, return a new vector , vNew, containing only values > n. For example: v=[1 2 3 4 5 6] n=3 vNew =...

13 years ago

Solved


ベクトルのスケーリング
入力したベクトルの大きさを1にしてください。

13 years ago

Problem


click away
Write a function that clicks on a GUI button. *Description*: Some times one wishes to use Matlab to automate some time con...

13 years ago | 0 | 11 solvers

Solved


click away
Write a function that clicks on a GUI button. *Description*: Some times one wishes to use Matlab to automate some time con...

13 years ago

Solved


GJam 2013 Veterans: Hedge
This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard Hedgemony>. This is the Large data set ...

13 years ago

Solved


GJam 2013 Veterans: Baby Height Prediction
This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p1 GJam 2013 Veterans Baby Height>. O...

13 years ago

Solved


GJam 2013 Veterans: Ocean View (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p2 GJam 2013 Veterans Ocean View>. Th...

13 years ago

Solved


GJam 2013 Veterans: Ocean View (Small)
This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p2 GJam 2013 Veterans Ocean View>. Th...

13 years ago

Solved


Local Minima
Given a vector of data x, find the values of local minimum that is smaller than its neighbor elements. For example, if x =...

13 years ago

Solved


Find the index of the first occurrence of a value in a matrix
Given a matrix of scalars, find the first occurrence of -1 in each column. Output NaN for a column which does not contain the va...

13 years ago

Problem


Equilibrium
Is this tower of blocks going to fall? <<http://www.alfnie.com/software/equilibrium02.jpg>> *Description* Given a stack...

13 years ago | 2 | 4 solvers

Solved


Equilibrium
Is this tower of blocks going to fall? <<http://www.alfnie.com/software/equilibrium02.jpg>> *Description* Given a stack...

13 years ago

Problem


Capture the flag(s)
Flags are distributed randomly on a large board. Starting from the corner position your goal is to capture as many flags as poss...

13 years ago | 1 | 10 solvers

Solved


Capture the flag(s)
Flags are distributed randomly on a large board. Starting from the corner position your goal is to capture as many flags as poss...

13 years ago

Solved


GJam 2014 China Rd A: Maze with a Left Hand Rule
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard#s=p3 GJam 2014 China Cross the Maze>. ...

13 years ago

Solved


Prime Sequences: AP-k Minimum Final Value
Welcome to Fun with Primes. Today we will find the Minimum Final Value AP-k sequences for n_max=3:12 given the primorial and kno...

13 years ago

Solved


Make a Pandiagonal Prime Magic Square: 11 x 11
This Fun with Primes Challenge is to create a Pandiagonal Prime Magic Square of size 11x11 given eleven APk sequences with 10 co...

13 years ago

Solved


GJam 2014 China Rd A: Read Phone Number (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard GJam 2014 China Read Phone Number>. Lar...

13 years ago

Solved


GJam 2014 China Rd A: Read Phone Number
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard GJam 2014 China Read Phone Number>. Sma...

13 years ago

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