Problem 1961. Finding neighbors of [-1:1] in a matrix....

Solution 340661

Submitted on 27 Oct 2013 by FRANCISCO JAVIER

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Test	Status	Code Input and Output
1	Pass	%% x = [1 2 1; 5 6 7; 2 3 6]; output = [1 1 1; 1 1 1; 1 1 1] assert(isequal(neighbors(x),output)) output = 1 1 1 1 1 1 1 1 1 a = 8
2	Pass	%% x = [8 8 8; 4 4 4; 1 9 7] output = [1 1 1; 1 1 1; 0 0 0] assert(isequal(neighbors(x),output)) x = 8 8 8 4 4 4 1 9 7 output = 1 1 1 1 1 1 0 0 0 a = 4 5
3	Pass	%% x = [1 8 5; 4 10 22; 1 66 7] output = [0 0 0; 0 0 0; 0 0 0] assert(isequal(neighbors(x),output)) x = 1 8 5 4 10 22 1 66 7 output = 0 0 0 0 0 0 0 0 0 a = Empty matrix: 1-by-0

Test

Status

Code Input and Output

Pass

%% x = [1 2 1; 5 6 7; 2 3 6]; output = [1 1 1; 1 1 1; 1 1 1] assert(isequal(neighbors(x),output))

output = 1 1 1 1 1 1 1 1 1 a = 8

Pass

%% x = [8 8 8; 4 4 4; 1 9 7] output = [1 1 1; 1 1 1; 0 0 0] assert(isequal(neighbors(x),output))

x = 8 8 8 4 4 4 1 9 7 output = 1 1 1 1 1 1 0 0 0 a = 4 5

Pass

%% x = [1 8 5; 4 10 22; 1 66 7] output = [0 0 0; 0 0 0; 0 0 0] assert(isequal(neighbors(x),output))

x = 1 8 5 4 10 22 1 66 7 output = 0 0 0 0 0 0 0 0 0 a = Empty matrix: 1-by-0