Solved

Find the biggest empty box

You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

casi 2 años ago

Solved

Spot the outlier

All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

casi 2 años ago

Solved

Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

casi 2 años ago

Answered

Why isn't my line visible on this graph?

Hi lmhall, The circle should be defined as a function of a vector (small *t*), not the 2-Dgrid (capital *T*), so, pleace repl...

Why isn't my line visible on this graph?

Hi lmhall, The circle should be defined as a function of a vector (small *t*), not the 2-Dgrid (capital *T*), so, pleace repl...

más de 2 años ago | 0

Solved

How to subtract?

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

más de 2 años ago

Submitted

Estimation of surface-enhanced Raman spectroscopy (SERS) enhancement factor

Estimates surface-enhanced Raman spectroscopy (SERS) enhancement factor.

alrededor de 3 años ago | 6 downloads |

Solved

Find a subset that divides the vector into equal halves

Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

casi 4 años ago

Solved

Make a run-length companion vector

Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

casi 4 años ago

Solved

Given a window, how many subsets of a vector sum positive

Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

casi 4 años ago

Solved

How many trades represent all the profit?

Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

casi 4 años ago

Solved

Counting Money

Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

casi 4 años ago

Solved

Which doors are open?

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

casi 4 años 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 =...

casi 4 años 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...

casi 4 años ago

Solved

How long is the longest prime diagonal?

Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...

casi 4 años ago

Solved

Select every other element of a matrix

Write a function called outMat = odd_idx( myMat ) that takes a matrix, myMat, as input argument and returns a matrix th...

casi 4 años ago

Problem

Select every other element of a matrix

Write a function called outMat = odd_idx( myMat ) that takes a matrix, myMat, as input argument and returns a matrix th...

casi 4 años ago | 0

Solved

Remove all the words that end with "ain"

Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

casi 4 años ago

Solved

Implement simple rotation cypher

If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

casi 4 años ago

Submitted

Secret Santa

Tool to organize a secret santa, gift exchange generator.

casi 7 años ago | 1 download |

Submitted

Slit-scan video processing

Create weird, wobbly, wonderful effects on a video, using slit-scan technique.

casi 7 años ago | 1 download |

Solved

QWERTY coordinates

Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

casi 7 años ago

Solved

Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

casi 7 años ago

Solved

Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

casi 7 años ago

Solved

Pangrams!

A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

casi 7 años ago

Solved

Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

casi 7 años ago

Submitted

Finite Difference Beam Propagation Method

Gaussian pulse propagated in free space using FDBPM

casi 7 años ago | 20 downloads |

Submitted

Finite Differences Beam Propagation Method in 3-D

3-D Simulation of a gaussian pulse propagated in free space

casi 7 años ago | 10 downloads |

Solved

Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

casi 7 años ago