Problems

1 – 22 of 22

Problem Title Likes Solvers Difficulty

Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

Tags indexing, power, vector power

407

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

Created by: Aurelien Queffurust

Tags vectorization

432

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

Created by: Selvaraaju Murugesan

Tags vectors, qmf

331

Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

Tags basic matlab

472

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

Created by: Shahid Ali Murtza

Tags sign changes

282

Problem 1927. Find nth maximum

Created by: Awadhesh Srivastava

Tags number theory, n th max

403

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

Created by: Jeremy

Tags matlab, vector, matrix

477

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

Created by: Daniel Pereira

Tags indexing, matrix, sparse

330

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

572

Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

Tags basic matlab

247

Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

196

Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

276

Problem 1273. Max index of 3D array

Created by: Youssef Khmou

Tags maximum

235

Problem 645. Getting the indices from a vector

Created by: Doug Hull

Tags indexing, basic matlab, ml101

4197

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

Created by: Robert Weinberg

Tags sort, bubble sort, bubblesort

175

Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

153

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

Created by: Chris E.

Tags consuctive 0's, counting 0

193

Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

Tags sequences, pattern match, pattern finding

200

Problem 972. Set a diagonal

Created by: Nicholas Howe

Tags indexing, diagonals

170

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

Created by: Binbin Qi

Tags zeros, for, ones

4765

Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

150

Problem 1940. Decimation - Optimized for speed

Created by: James

Tags speed optimization, carnage maximus, efficiency

103

1 – 22 of 22

Trial software

Difficulty Rating

Problem Groups

Problems

Problem 1786. Create an index-powered vector

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

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

Problem 1451. Symmetry of vector

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

Problem 1927. Find nth maximum

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

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

Problem 1193. Insert zeros into vector

Problem 1366. Finding peaks

Problem 980. Unique values without using UNIQUE function

Problem 1699. Find last zero for each column

Problem 1273. Max index of 3D array

Problem 645. Getting the indices from a vector

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

Problem 1203. Reference Index Number

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

Problem 1779. Oh Zero Zero Zero!!!

Problem 972. Set a diagonal

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

Problem 1092. Decimation

Problem 1940. Decimation - Optimized for speed