Cody

# Problem 661. Spot the outlier

Solution 134076

Submitted on 4 Sep 2012 by Fumiaki
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### Test Suite

Test Status Code Input and Output
1   Pass
%% pts = [0 1; 0 2; 3 2; 0 3; 0 4 ]; outlier = 3; assert(isequal(spot_the_outlier(pts),outlier))

```[Warning: Polynomial is badly conditioned. Add points with distinct X values, reduce the degree of the polynomial, or try centering and scaling as described in HELP POLYFIT.] [> In polyfit at 76 In spot_the_outlier at 2 In verifyCode>evaluateCode at 226 In verifyCode at 40 In fevalJSON at 14] [Warning: Polynomial is badly conditioned. Add points with distinct X values, reduce the degree of the polynomial, or try centering and scaling as described in HELP POLYFIT.] [> In polyfit at 76 In spot_the_outlier at 4 In verifyCode>evaluateCode at 226 In verifyCode at 40 In fevalJSON at 14] [Warning: Polynomial is badly conditioned. Add points with distinct X values, reduce the degree of the polynomial, or try centering and scaling as described in HELP POLYFIT.] [> In polyfit at 76 In spot_the_outlier at 6 In verifyCode>evaluateCode at 226 In verifyCode at 40 In fevalJSON at 14] ans = 3 ```

2   Pass
%% pts = [10 -1;7 0;9.5 0.3;9 1.6;8.5 2.9]; outlier = 2; assert(isequal(spot_the_outlier(pts),outlier))

``` ans = 2 ```

3   Pass
%% pts = [-0.6 -6;-0.2 0;0 3;-0.8 -9;-2 1;-0.4 -3]; outlier = 5; assert(isequal(spot_the_outlier(pts),outlier))

``` ans = 5 ```

4   Pass
%% pts = [2 5;0 4;0 0;4 6;-2 3]; outlier = 3; assert(isequal(spot_the_outlier(pts),outlier))

``` ans = 3 ```

5   Pass
%% pts = [1 0; 0 1; 1 2; 1.5 2.5; 2 3; 3 4 ]; outlier = 1; assert(isequal(spot_the_outlier(pts),outlier))

```[Warning: Polynomial is badly conditioned. Add points with distinct X values, reduce the degree of the polynomial, or try centering and scaling as described in HELP POLYFIT.] [> In polyfit at 76 In spot_the_outlier at 3 In verifyCode>evaluateCode at 226 In verifyCode at 40 In fevalJSON at 14] ans = 1 ```