Cody

# Problem 769. Calculate the area of a triangle between three points

Solution 1794342

Submitted on 21 Apr 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
X=[1 0 0]; Y=[0 0 1]; y_correct = 0.5; assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)

Undefined function or variable 'x'. Error in your_fcn_name (line 5) y = 1/2* abs(det([X ; Y ; ones(1,length(x))])) Error in Test1 (line 4) assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)

2   Fail
X=[1 1.5 2]; Y=[0 1 0]; y_correct = 0.5; assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)

Undefined function or variable 'x'. Error in your_fcn_name (line 5) y = 1/2* abs(det([X ; Y ; ones(1,length(x))])) Error in Test2 (line 4) assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)

3   Fail
X=[2 3 1]; Y=[0 3 4]; y_correct = 3.500; assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)

Undefined function or variable 'x'. Error in your_fcn_name (line 5) y = 1/2* abs(det([X ; Y ; ones(1,length(x))])) Error in Test3 (line 4) assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)

4   Fail
X=[10 12 -10]; Y=[-7 -3 -47]; y_correct = 0; assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)

Undefined function or variable 'x'. Error in your_fcn_name (line 5) y = 1/2* abs(det([X ; Y ; ones(1,length(x))])) Error in Test4 (line 4) assert(abs(your_fcn_name(X,Y)-y_correct)<1e-3)