Cody

Problem 42697. sparse_matrix

Solution 2192092

Submitted on 4 Apr 2020
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Test Suite

Test Status Code Input and Output
1   Fail
x = [ones(1,10) 2*ones(1,10)]; y_correct = [ones(1,10) zeros(1,10);zeros(1,10) ones(1,10)]; assert(isequal(sprs2matrix(x),y_correct));

y = (1,1) 1 (1,2) 1 (1,3) 1 (1,4) 1 (1,5) 1 (1,6) 1 (1,7) 1 (1,8) 1 (1,9) 1 (1,10) 1 (1,11) 2 (1,12) 2 (1,13) 2 (1,14) 2 (1,15) 2 (1,16) 2 (1,17) 2 (1,18) 2 (1,19) 2 (1,20) 2

Assertion failed.

2   Fail
x = 1:100; y_correct = eye(100); assert(isequal(sprs2matrix(x),y_correct));

y = (1,1) 1 (1,2) 2 (1,3) 3 (1,4) 4 (1,5) 5 (1,6) 6 (1,7) 7 (1,8) 8 (1,9) 9 (1,10) 10 (1,11) 11 (1,12) 12 (1,13) 13 (1,14) 14 (1,15) 15 (1,16) 16 (1,17) 17 (1,18) 18 (1,19) 19 (1,20) 20 (1,21) 21 (1,22) 22 (1,23) 23 (1,24) 24 (1,25) 25 (1,26) 26 (1,27) 27 (1,28) 28 (1,29) 29 (1,30) 30 (1,31) 31 (1,32) 32 (1,33) 33 (1,34) 34 (1,35) 35 (1,36) 36 (1,37) 37 (1,38) 38 (1,39) 39 (1,40) 40 (1,41) 41 (1,42) 42 (1,43) 43 (1,44) 44 (1,45) 45 (1,46) 46 (1,47) 47 (1,48) 48 (1,49) 49 (1,50) 50 (1,51) 51 (1,52) 52 (1,53) 53 (1,54) 54 (1,55) 55 (1,56) 56 (1,57) 57 (1,58) 58 (1,59) 59 (1,60) 60 (1,61) 61 (1,62) 62 (1,63) 63 (1,64) 64 (1,65) 65 (1,66) 66 (1,67) 67 (1,68) 68 (1,69) 69 (1,70) 70 (1,71) 71 (1,72) 72 (1,73) 73 (1,74) 74 (1,75) 75 (1,76) 76 (1,77) 77 (1,78) 78 (1,79) 79 (1,80) 80 (1,81) 81 (1,82) 82 (1,83) 83 (1,84) 84 (1,85) 85 (1,86) 86 (1,87) 87 (1,88) 88 (1,89) 89 (1,90) 90 (1,91) 91 (1,92) 92 (1,93) 93 (1,94) 94 (1,95) 95 (1,96) 96 (1,97) 97 (1,98) 98 (1,99) 99 (1,100) 100

Assertion failed.

3   Fail
x = [1 4 5 3 6]; y_correct = [1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1]; assert(isequal(sprs2matrix(x),y_correct));

y = (1,1) 1 (1,2) 4 (1,3) 5 (1,4) 3 (1,5) 6

Assertion failed.

4   Fail
x = 10; y_correct = zeros(x,1); y_correct (x)=1; assert(isequal(sprs2matrix(x),y_correct));

y = (1,1) 10

Assertion failed.

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