Cody

# Problem 450. What is the distance from point P(x,y) to the line Ax + By + C = 0?

Solution 1837567

Submitted on 4 Jun 2019 by YIFEI ZHANG
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Pass
x=2; y=2; A=2; B=2; C=-4; y_correct = 1.4142; assert(abs(normalLen(x,y,A,B,C)-y_correct)<=1e-4)

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint1 (line 3) In solutionTest (line 3)]

2   Pass
x=3; y=4; A=3; B=4; C=5; y_correct = 6; assert(normalLen(x,y,A,B,C)-y_correct==0)

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)]

3   Pass
x=4; y=5; A=3; B=4; C=5; y_correct = 7.4; display(normalLen(x,y,A,B,C)) assert(abs(normalLen(x,y,A,B,C)-y_correct)<1e-1)

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)] 0 [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint3 (line 4) In solutionTest (line 7)]

4   Pass
x=0;y=12345;A=0;B=1;C=0; y_correct = 12345; display(normalLen(x,y,A,B,C)) assert(abs(normalLen(x,y,A,B,C)-y_correct)==0)

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint4 (line 3) In solutionTest (line 9)] 0 [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint4 (line 4) In solutionTest (line 9)]

5   Pass
x=0;y=-12345;A=0;B=1;C=0; y_correct = 12345; display(normalLen(x,y,A,B,C)) assert(abs(normalLen(x,y,A,B,C)-y_correct)==0)

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint5 (line 3) In solutionTest (line 11)] 0 [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In normalLen (line 2) In ScoringEngineTestPoint5 (line 4) In solutionTest (line 11)]