Problems

1 – 12 of 12

Problem Title Likes Solvers Difficulty

Problem 43607. Logical array indexing - part 1

Created by: Chaya N

Tags indexing, matrix manipulation, logical indexing

Problem 42515. Remove All elements less than 5

Created by: Salman Shaikh

Tags logical indexing, basic matlab

139

Problem 694. Remove NaNs and numbers adjacent to NaNs

Created by: Richard Zapor

Tags convolution, logical indexing, boolean string magic

Problem 44450. Create a magic square matrix for a given odd integer

Created by: Sushovan Basu

Tags matrix manipulation, matrix, logical indexing

Problem 640. Getting logical indexes

Created by: Doug Hull

Tags indexing, logical indexing, ml101

1122

Problem 320. Maintain shape of logical-index mask

Created by: the cyclist

Tags logical indexing

Problem 868. Replace all zeros and NaNs in a matrix with the string 'error'

Created by: Ken Deeley

Tags cell arrays, logical indexing, cellfun

100

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

Created by: Aurelien Queffurust

Tags indexing, logical, logical indexing

1377

Problem 1704. Triangular matrices in 3D array

Created by: Matthew Eicholtz

Tags matlab, logical indexing, multidimensional arrays

131

Problem 856. Getting the indices from a matrix

Created by: Jean-Marie Sainthillier

Tags logical indexing

656

Problem 1972. Convert matrix to 3D array of triangular matrices

Created by: Matthew Eicholtz

Tags matlab, matrix manipulation, logical indexing

112

Problem 939. DNA Pattern Match: Performance Metric - Speed

Created by: Richard Zapor

Tags logical indexing, reshape, dna

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Problems

Problem 43607. Logical array indexing - part 1

Problem 42515. Remove All elements less than 5

Problem 694. Remove NaNs and numbers adjacent to NaNs

Problem 44450. Create a magic square matrix for a given odd integer

Problem 640. Getting logical indexes

Problem 320. Maintain shape of logical-index mask

Problem 868. Replace all zeros and NaNs in a matrix with the string 'error'

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

Problem 1704. Triangular matrices in 3D array

Problem 856. Getting the indices from a matrix

Problem 1972. Convert matrix to 3D array of triangular matrices

Problem 939. DNA Pattern Match: Performance Metric - Speed