Cody

# Problem 43032. Geometrical meaning of determinant

Solution 1696843

Submitted on 19 Dec 2018
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### Test Suite

Test Status Code Input and Output
1   Fail
X=[0,1]'; Y=[1,0]'; V = 1; assert(isequal(parallelogram_volume(X,Y),V))

Error using det Matrix must be square. Error in parallelogram_volume (line 7) V = det([X;Y]) Error in Test1 (line 3) assert(isequal(parallelogram_volume(X,Y),V))

2   Fail
X=[1,0]'; Y=[0,1]'; V = 1; assert(isequal(parallelogram_volume(X,Y),V))

Error using det Matrix must be square. Error in parallelogram_volume (line 7) V = det([X;Y]) Error in Test2 (line 3) assert(isequal(parallelogram_volume(X,Y),V))

3   Fail
X=[1,0]'; Y=[1,0]'; V = 0; assert(isequal(parallelogram_volume(X,Y),V))

Error using det Matrix must be square. Error in parallelogram_volume (line 7) V = det([X;Y]) Error in Test3 (line 3) assert(isequal(parallelogram_volume(X,Y),V))

4   Fail
X=[1,0]'; Y=[9,0]'; V = 0; assert(isequal(parallelogram_volume(X,Y),V))

Error using det Matrix must be square. Error in parallelogram_volume (line 7) V = det([X;Y]) Error in Test4 (line 3) assert(isequal(parallelogram_volume(X,Y),V))

5   Fail
X=[1,0,0]'; Y=[0,1,0]'; Z=[0,0,1]'; V = 1; assert(isequal(parallelogram_volume(X,Y,Z),V))

Undefined function or variable 'Z'. Error in parallelogram_volume (line 4) V = det([X;Y;Z]) Error in Test5 (line 3) assert(isequal(parallelogram_volume(X,Y,Z),V))

6   Fail
X=[1,0,8]'; Y=[2,1,0]'; Z=[0,4,1]'; V = 65; assert(isequal(parallelogram_volume(X,Y,Z),V))

Undefined function or variable 'Z'. Error in parallelogram_volume (line 4) V = det([X;Y;Z]) Error in Test6 (line 3) assert(isequal(parallelogram_volume(X,Y,Z),V))