Problems

1 – 50 of 94

Problem Title Likes Solvers Difficulty

Problem 44326. Replace 0 indices in array with 1's

Created by: Brian

Tags indexing, matrix, basics

130

Problem 42675. Get all corner elements from a matrix where dimension of matrix is always equal to or greater than 2.

Created by: kunal

Tags indexing

Problem 42678. For a given linear index as input for n sized square matrix, find corresponding row and column.

Created by: kunal

Tags indexing

Problem 42679. Can you reshape the matrix?

Created by: kunal

Tags indexing, There is no spoon

Tags indexing

Problem 44242. Replace Nan!

Created by: Noriko Hounoki

Tags indexing, basic matlab, nan

Problem 1741. Numeric array to cell array of strings (easy)

Created by: Matthew Eicholtz

Tags indexing, strings, matrix manipulation

Problem 43682. Pairwise column flip

Created by: Alexander

Tags indexing, matrix manipulation, vectorization

Problem 57570. An array is given that contains the marks. Find out the highest 3 marks

Created by: Md. Ikrama Hossain

Tags indexing, array, built-in functions

Problem 57585. Given a matrix X, manipulate it accordingly

Created by: Md. Ikrama Hossain

Tags indexing, matrix manipulation

Problem 2092. Find offset of an element of a multi dimensional matrix

Created by: Swapnali Gujar

Tags indexing, offset, multi dimensional matrix

Problem 960. Cell Source Index

Created by: Nicholas Howe

Tags indexing, cells

Problem 45472. Find the sum of all integers in a given matrix

Created by: Jyothsna Chintala

Tags indexing

Problem 1951. Better Index Number

Created by: Shaun VanWeelden

Tags indexing, index, save

Problem 3107. Try and Catch Simple Example

Created by: Pritesh Shah

Tags indexing, matlab, basic matlab

133

Problem 42648. Place numbers

Created by: Abdullah Caliskan

Tags indexing, matrix

Problem 58563. Convert row and column subscripts to linear indices

Created by: Danielle

Tags indexing, matrix, sub2ind

Problem 43144. BASICS - sum part of vector

Created by: Jakub Mrowka

Tags basic, easy, indexing

343

Problem 43607. Logical array indexing - part 1

Created by: Chaya N

Tags indexing, matrix manipulation, logical indexing

Problem 42982. Select every other element of a matrix

Created by: Edgar Guevara

Tags indexing

Problem 1991. Find the index of nth maximum of a row vector of real numbers

Created by: Pavan Toraty

Tags indexing

Problem 647. Getting the absolute index from a matrix

Created by: Doug Hull

Tags indexing, ml101

251

Problem 54705. Draw a Diamond shape in ones Matrix with '0' s

Created by: Mainul Islam

Tags indexing, matrix manipulation, simple

Problem 56155. Return the middle element of an NxN square matrix where N is odd

Created by: Arunika

Tags indexing, matrix manipulation, matrix

Problem 1671. Generate the Matrix!

Created by: JeremyR

Tags easy, matrices, indexing

124

Problem 60704. Convert RGB to Grayscale

Created by: Leandro

Tags vectors, easy, indexing

Problem 45485. Count the non-zero elements along the diagonals that are immediately next to the main diagonal

Created by: Syed Shahed

Tags indexing, basics

Problem 1835. Matrix to column conversion

Created by: Swapnali Gujar

Tags indexing, matrix manipulation, basic matlab

361

Problem 105. How to find the position of an element in a vector without using the find function

Created by: Chelsea

Tags indexing, find

2771

Problem 646. Getting the row and column location from a matrix

Created by: Doug Hull

Tags indexing, basics, ml101

292

Problem 1368. Create an 8-color version of an image

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation, image processing

Problem 47508. Convert sorting indices to ranks

Created by: 埃博拉酱

Tags indexing, sorting, sort

Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

Tags indexing, power, vector power

856

Problem 53950. Time reverse indices

Created by: Richard Allred

Tags indexing

Problem 2012. Tony's trick for duplicating an mx1 vector n times

Created by: Ted

Tags indexing, duplicating vectors

Problem 640. Getting logical indexes

Created by: Doug Hull

Tags indexing, logical indexing, ml101

1151

Problem 44496. vector indexes for a matrix

Created by: Kodavati Mahendra

Tags matrices, indexing, vector

Problem 1986. Another colon problem

Created by: Jan Orwat

Tags basic, indexing, colon

161

Problem 54440. Create an arrow matrix

Created by: Ben Placek

Tags matrices, indexing, matrix

521

Problem 44706. The Deadly Sin

Created by: Aamod Garg

Tags indexing, maximum, difference

Problem 44797. Cannibal eating odd and even numbered men

Created by: PE

Tags indexing

Problem 56453. Multiply each matrix element by its row index and add its column index.

Created by: Stefan Abendroth

Tags indexing, matrix manipulation

Problem 45483. Where do the maximum number belongs within a 3-D matrix?

Created by: Syed Shahed

Tags indexing, basics, 3-d matrix

Problem 59616. Remove a specific column with min value

Created by: Zaid Al-Dailami

Tags indexing, find

202

Problem 1911. Find the index of the first occurrence of a value in a matrix

Created by: Saurabh Harsh

Tags indexing

Problem 59611. Remove a specific column with max value

Created by: Zaid Al-Dailami

Tags indexing, find

202

Problem 824. Set the array elements whose value is 13 to 0

Created by: Aurelien Queffurust

Tags indexing, logical, logical indexing

1403

1 – 50 of 94

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