Indexing II

Curated by : goc3

<div style = "text-align: start; line-height: normal; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: none solid rgb(0, 0, 0); white-space: normal; "><div style="display: block; min-width: 0px; padding-top: 0px; perspective-origin: 289.5px 10.5px; transform-origin: 289.5px 10.5px; "><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; white-space: pre-wrap; perspective-origin: 266.5px 10.5px; transform-origin: 266.5px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; "><span style="">More problems that require operating on a subset of elements from a vector or matrix. </span></span></div></div></div>

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	27	3454
Problem 1430. Create an n-by-n null matrix and fill with ones certain positions Created by: Daniel Pereira Tags indexing, matrix, sparse	5	281
Problem 1451. Symmetry of vector Created by: Selvaraaju Murugesan Tags basic matlab	5	421
Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero) Created by: Shahid Ali Murtza Tags sign changes	5	238
Problem 1678. Count consecutive 0's in between values of 1 Created by: Chris E. Tags consuctive 0's, counting 0	6	172
Problem 1699. Find last zero for each column Created by: Matthew Eicholtz Tags indexing, matrix manipulation	8	250
Problem 1779. Oh Zero Zero Zero!!! Created by: Chris E. Tags sequences, pattern match, pattern finding	7	178
Problem 1786. Create an index-powered vector Created by: Swapnali Gujar Tags indexing, power, vector power	4	371
Problem 1927. Find nth maximum Created by: Awadhesh Srivastava Tags number theory, n th max	4	372
Problem 1940. Decimation - Optimized for speed Created by: James Tags speed optimization, carnage maximus, efficiency	6	95
Problem 1401. Implement a bubble sort technique and output the number of swaps required Created by: Robert Weinberg Tags sort, bubble sort, bubblesort	7	158
Problem 1366. Finding peaks Created by: Selvaraaju Murugesan Tags basic matlab	6	230
Problem 1273. Max index of 3D array Created by: Youssef Khmou Tags maximum	5	215
Problem 888. Create a vector whose elements depend on the previous element Created by: Aurelien Queffurust Tags vectorization	4	399
Problem 972. Set a diagonal Created by: Nicholas Howe Tags indexing, diagonals	4	154
Problem 980. Unique values without using UNIQUE function Created by: Aurelien Queffurust Tags unique, stable	2	176
Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4 Created by: Binbin Qi Tags zeros, for, ones	60	3918
Problem 1038. Change the sign of even index entries of the reversed vector Created by: Selvaraaju Murugesan Tags vectors, qmf	2	305
Problem 1092. Decimation Created by: James Tags decimate, there can be only one, carnage maximus	10	137
Problem 1193. Insert zeros into vector Created by: Selvaraaju Murugesan Tags basic matlab	6	544
Problem 1203. Reference Index Number Created by: Nicholas Howe Tags indexing	2	139
Problem 1229. Determine the number of odd integers in a vector Created by: Jeremy Tags matlab, vector, matrix	3	447
Problem 980. Unique values without using UNIQUE function Created by: Aurelien Queffurust Tags unique, stable	2	176

Recent Group Finishers84

Recent Activity

	Takahiro submitted Solution 4997566 to Problem 645. Getting the indices from a vector 8 hours and 47 minutes ago
	Matteo Valentinuzzi submitted Solution 4990351 to Problem 1229. Determine the number of odd integers in a vector on 4 Mar 2021 at 9:51
	Matteo Valentinuzzi submitted Solution 4990316 to Problem 1203. Reference Index Number on 4 Mar 2021 at 9:48
	Matteo Valentinuzzi submitted Solution 4990296 to Problem 1193. Insert zeros into vector on 4 Mar 2021 at 9:44
	Matteo Valentinuzzi submitted Solution 4990286 to Problem 1038. Change the sign of even index entries of the reversed vector on 4 Mar 2021 at 9:43

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!