Cody

Problem 43284. Form a square matrix from four square sub-matrices

Solution 1634950

Submitted on 28 Sep 2018
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Test Suite

Test Status Code Input and Output
1   Fail
n=2; n1=1; n2=2; n3=3; n4=5; y = [1 0 2 2; 0 1 2 2; 3 3 5 0; 3 3 0 5]; assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

n1 = 1 0 0 1 n4 = 5 0 0 5 n2 = 2 2 2 2 n3 = 3 3 3 3 y = 1 0 5 0 0 1 0 5 ycol1 = 1 0 3 3 0 1 3 3 ycol2 = 2 2 5 0 2 2 0 5

Assertion failed.

2   Fail
n=2; n1=5; n2=2; n3=3; n4=-4; y = [5 0 2 2; 0 5 2 2; 3 3 -4 0; 3 3 0 -4]; assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

n1 = 5 0 0 5 n4 = -4 0 0 -4 n2 = 2 2 2 2 n3 = 3 3 3 3 y = 5 0 -4 0 0 5 0 -4 ycol1 = 5 0 3 3 0 5 3 3 ycol2 = 2 2 -4 0 2 2 0 -4

Assertion failed.

3   Fail
n=3; n1=3; n2=2; n3=7; n4=1; y = [3 0 0 2 2 2; 0 3 0 2 2 2; 0 0 3 2 2 2; 7 7 7 1 0 0; 7 7 7 0 1 0; 7 7 7 0 0 1]; assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

n1 = 3 0 0 0 3 0 0 0 3 n4 = 1 0 0 0 1 0 0 0 1 n2 = 2 2 2 2 2 2 2 2 2 n3 = 7 7 7 7 7 7 7 7 7 y = 3 0 0 1 0 0 0 3 0 0 1 0 0 0 3 0 0 1 ycol1 = 3 0 0 7 7 7 0 3 0 7 7 7 0 0 3 7 7 7 ycol2 = 2 2 2 1 0 0 2 2 2 0 1 0 2 2 2 0 0 1

Assertion failed.

4   Fail
n=2; n1=4; n2=8; n3=8; n4=2; y = [4 0 8 8; 0 4 8 8; 8 8 2 0; 8 8 0 2]; assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

n1 = 4 0 0 4 n4 = 2 0 0 2 n2 = 8 8 8 8 n3 = 8 8 8 8

Error using horzcat Dimensions of arrays being concatenated are not consistent. Error in CreateMatrix (line 6) y=[n1 n3:n2 n4] Error in Test4 (line 10) assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

5   Fail
n=5; n1=4; n2=3; n3=2; n4=1; y = [4 0 0 0 0 3 3 3 3 3; 0 4 0 0 0 3 3 3 3 3; 0 0 4 0 0 3 3 3 3 3; 0 0 0 4 0 3 3 3 3 3; 0 0 0 0 4 3 3 3 3 3; 2 2 2 2 2 1 0 0 0 0; 2 2 2 2 2 0 1 0 0 0; 2 2 2 2 2 0 0 1 0 0; 2 2 2 2 2 0 0 0 1 0; 2 2 2 2 2 0 0 0 0 1]; assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

n1 = 4 0 0 0 0 0 4 0 0 0 0 0 4 0 0 0 0 0 4 0 0 0 0 0 4 n4 = 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 n2 = 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 n3 = 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

Error using horzcat Dimensions of arrays being concatenated are not consistent. Error in CreateMatrix (line 6) y=[n1 n3:n2 n4] Error in Test5 (line 16) assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

6   Fail
n=6; n1=4; n2=7; n3=1; n4=9; y = [4 0 0 0 0 0 7 7 7 7 7 7; 0 4 0 0 0 0 7 7 7 7 7 7; 0 0 4 0 0 0 7 7 7 7 7 7; 0 0 0 4 0 0 7 7 7 7 7 7; 0 0 0 0 4 0 7 7 7 7 7 7; 0 0 0 0 0 4 7 7 7 7 7 7; 1 1 1 1 1 1 9 0 0 0 0 0; 1 1 1 1 1 1 0 9 0 0 0 0; 1 1 1 1 1 1 0 0 9 0 0 0; 1 1 1 1 1 1 0 0 0 9 0 0; 1 1 1 1 1 1 0 0 0 0 9 0; 1 1 1 1 1 1 0 0 0 0 0 9]; assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

n1 = 4 0 0 0 0 0 0 4 0 0 0 0 0 0 4 0 0 0 0 0 0 4 0 0 0 0 0 0 4 0 0 0 0 0 0 4 n4 = 9 0 0 0 0 0 0 9 0 0 0 0 0 0 9 0 0 0 0 0 0 9 0 0 0 0 0 0 9 0 0 0 0 0 0 9 n2 = 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 n3 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Error using horzcat Dimensions of arrays being concatenated are not consistent. Error in CreateMatrix (line 6) y=[n1 n3:n2 n4] Error in Test6 (line 18) assert(isequal(CreateMatrix(n,n1,n2,n3,n4),y))

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