Cody

# Chi Zhang

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1 – 50 of 82

#### Problem 2145. Find the index of n in magic(n)

Created by: Koteswar Rao Jerripothula

Tags matrix, magic

#### Problem 2129. Sum of odd numbers in a matrix

Created by: Koteswar Rao Jerripothula

#### Problem 2235. Back to basics - mean of corner elements of a matrix

Created by: Swapnali Gujar

#### Problem 858. Permute diagonal and antidiagonal

Created by: Jean-Marie Sainthillier

Tags matrix, diag

#### Problem 794. Matrix with different incremental runs

Created by: Aurelien Queffurust

#### Problem 798. Rotate input square matrix 90 degrees CCW without rot90

Created by: Christopher

#### Problem 497. Make an awesome ramp for a tiny motorcycle stuntman

Created by: Stephen

Tags stunt ramp

#### Problem 611. surrounded matrix

Created by: Grzegorz Knor

Tags matrices

#### Problem 112. Remove the air bubbles

Created by: Ned Gulley

#### Problem 1129. Reverse the elements of an array

Created by: HARISANKAR PS

#### Problem 545. Flip the main diagonal of a matrix

Created by: Bruce Raine

Tags diagonal, magic

#### Problem 413. Back to basics 23 - Triangular matrix

Created by: Alan Chalker

#### Problem 411. Back to basics 21 - Matrix replicating

Created by: Alan Chalker

#### Problem 300. Remove NaN ?

Created by: Julio

Tags matrix, logical

#### Problem 1940. Decimation - Optimized for speed

Created by: James

#### Problem 1092. Decimation

Created by: James

#### Problem 1401. Implement a bubble sort technique and output the number of swaps required

Created by: Robert Weinberg

#### Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

#### Problem 1678. Count consecutive 0's in between values of 1

Created by: Chris E.

#### Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

#### Problem 972. Set a diagonal

Created by: Nicholas Howe

#### Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

Created by: Shahid Ali Murtza

#### Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags stable, unique

#### Problem 1430. Create an n-by-n null matrix and fill with ones certain positions

Created by: Daniel Pereira

Tags matrix, fill, sparse

#### Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

#### Problem 1273. Max index of 3D array

Created by: Youssef Khmou

Tags maximum

#### Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

#### Problem 1038. Change the sign of even index entries of the reversed vector

Created by: Selvaraaju Murugesan

Tags qmf, vectors

#### Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

#### Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

#### Problem 888. Create a vector whose elements depend on the previous element

Created by: Aurelien Queffurust

#### Problem 1229. Determine the number of odd integers in a vector

Created by: Jeremy

Tags even, vector, matrix

#### Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

#### Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4

Created by: Binbin Qi

Tags ones, zeros, for

#### Problem 8. Add two numbers

Created by: Cody Team

#### Problem 885. Create logical matrix with a specific row and column sums

Created by: Amro

Tags matrix, logical, sum

#### Problem 970. Piecewise linear interpolation

Created by: James

#### Problem 875. Return a list sorted by number of consecutive occurrences

Created by: Jean-Marie Sainthillier

#### Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

#### Problem 801. Construct an index vector from two input vectors in vectorized fashion

Created by: Christopher

#### Problem 672. Longest run of consecutive numbers

Created by: James

#### Problem 795. Joining Ranges

Created by: Dirk Engel

#### Problem 652. Put two time series onto the same time basis

Created by: Ned Gulley

#### Problem 859. Get the elements of diagonal and antidiagonal for any m-by-n matrix

Created by: Aurelien Queffurust

#### Problem 924. intersection of matrices

Created by: Richard

#### Problem 555. "Low : High - Low : High - Turn around " -- Create a subindices vector

Created by: Freddy

#### Problem 856. Getting the indices from a matrice

Created by: Jean-Marie Sainthillier

#### Problem 645. Getting the indices from a vector

Created by: Doug Hull

#### Problem 830. Fill a zeros matrix

Created by: Aurelien Queffurust

1 – 50 of 82