Indexing II

Curated by : goc3

Average Problem Difficulty:

More problems that require operating on a subset of elements from a vector or matrix. 

Indexing II Master

+50 points

Problem Title	Likes	Solvers
Problem 645. Getting the indices from a vector Created by: Doug Hull Tags indexing, basic matlab, ml101	64	10534
Problem 1451. Symmetry of vector Created by: Selvaraaju Murugesan Tags basic matlab	10	1099
Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero) Created by: Shahid Ali Murtza Tags sign changes	10	775
Problem 1678. Count consecutive 0's in between values of 1 Created by: Chris E. Tags consuctive 0's, counting 0	11	456
Problem 1699. Find last zero for each column Created by: Matthew Eicholtz Tags indexing, matrix manipulation	10	595
Problem 1779. Oh Zero Zero Zero!!! Created by: Chris E. Tags sequences, pattern match, pattern finding	15	462
Problem 1786. Create an index-powered vector Created by: Swapnali Gujar Tags indexing, power, vector power	7	821
Problem 1927. Find nth maximum Created by: Awadhesh Srivastava Tags number theory, n th max	6	833
Problem 1940. Decimation - Optimized for speed Created by: James Tags speed optimization, carnage maximus, efficiency	9	185
Problem 980. Unique values without using UNIQUE function Created by: Aurelien Queffurust Tags unique, stable	3	371
Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4 Created by: Binbin Qi Tags zeros, for, ones	129	12177
Problem 1430. Create an n-by-n null matrix and fill with ones certain positions Created by: Daniel Pereira Tags indexing, matrix, sparse	8	636
Problem 1401. Implement a bubble sort technique and output the number of swaps required Created by: Robert Weinberg Tags sort, bubble sort, bubblesort	9	322
Problem 888. Create a vector whose elements depend on the previous element Created by: Aurelien Queffurust Tags vectorization	7	714
Problem 972. Set a diagonal Created by: Nicholas Howe Tags indexing, diagonals	6	300
Problem 1038. Change the sign of even index entries of the reversed vector Created by: Selvaraaju Murugesan Tags vectors, qmf	5	576
Problem 1092. Decimation Created by: James Tags decimate, there can be only one, carnage maximus	19	259
Problem 1193. Insert zeros into vector Created by: Selvaraaju Murugesan Tags basic matlab	7	814
Problem 1203. Reference Index Number Created by: Nicholas Howe Tags indexing	3	268
Problem 1229. Determine the number of odd integers in a vector Created by: Jeremy Tags matlab, vector, matrix	6	755
Problem 1273. Max index of 3D array Created by: Youssef Khmou Tags maximum	9	377
Problem 1366. Finding peaks Created by: Selvaraaju Murugesan Tags basic matlab	10	422

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	Landon submitted Solution 14613048 to Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4 17 hours and 38 minutes ago
	Maya submitted Solution 14613007 to Problem 1038. Change the sign of even index entries of the reversed vector 18 hours and 14 minutes ago
	Spencer submitted Solution 14611900 to Problem 1430. Create an n-by-n null matrix and fill with ones certain positions on 17 Apr 2025 at 1:13
	Spencer submitted Solution 14611899 to Problem 1786. Create an index-powered vector on 17 Apr 2025 at 1:13
	Spencer submitted Solution 14611896 to Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero) on 17 Apr 2025 at 1:10

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