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	10514
Problem 1451. Symmetry of vector Created by: Selvaraaju Murugesan Tags basic matlab	10	1098
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	774
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	819
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	12154
Problem 1430. Create an n-by-n null matrix and fill with ones certain positions Created by: Daniel Pereira Tags indexing, matrix, sparse	8	635
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	575
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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Recent Activity

	Marcos Silveira submitted Solution 14608804 to Problem 1193. Insert zeros into vector 5 hours and 36 minutes ago
	Marcos Silveira submitted Solution 14608798 to Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero) 5 hours and 43 minutes ago
	Marcos Silveira submitted Solution 14608778 to Problem 1927. Find nth maximum 6 hours and 1 minute ago
	Marcos Silveira submitted Solution 14608776 to Problem 1786. Create an index-powered vector 6 hours and 4 minutes ago
	Zenalabideen submitted Solution 14607802 to Problem 1451. Symmetry of vector on 13 Apr 2025 at 23:05

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