Solution 2263926

Submitted on 8 May 2020

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1 Comment

Tavish Pattanayak on 8 May 2020

function mpg = sort_cars(N)
load cars.mat
sorted = sortrows (cars,4);
mpg = sorted(1:N,2);
mpg{:,:}
end

Gives the correct output yet assertion failed. Why?

Test Suite

Test	Status	Code Input and Output
1	Fail	N = 5 load(fullfile(matlabroot, 'toolbox/stats/statsdemos', 'carbig.mat')); Model = strtrim(string(Model)); cars = table(Model, MPG, Horsepower, Weight, Acceleration); save cars.mat cars assert(isequal(sort_cars(N),[35; 31; 39.1; 35.1; 31])); N = 5 ans = 35.0000 31.0000 39.1000 35.1000 31.0000 Assertion failed.
2	Fail	N = 6 load(fullfile(matlabroot, 'toolbox/stats/statsdemos', 'carsmall.mat')); Model = strtrim(string(Model)); cars = table(Model, MPG, Horsepower, Weight, Acceleration); save cars.mat cars assert(isequal(sort_cars(N),[33; 29.5; 26; 29; 38; 32])); N = 6 ans = 33.0000 29.5000 26.0000 29.0000 38.0000 32.0000 Assertion failed.

Test

Status

Code Input and Output

Fail

N = 5 load(fullfile(matlabroot, 'toolbox/stats/statsdemos', 'carbig.mat')); Model = strtrim(string(Model)); cars = table(Model, MPG, Horsepower, Weight, Acceleration); save cars.mat cars assert(isequal(sort_cars(N),[35; 31; 39.1; 35.1; 31]));

N = 5 ans = 35.0000 31.0000 39.1000 35.1000 31.0000

Assertion failed.

Fail

N = 6 load(fullfile(matlabroot, 'toolbox/stats/statsdemos', 'carsmall.mat')); Model = strtrim(string(Model)); cars = table(Model, MPG, Horsepower, Weight, Acceleration); save cars.mat cars assert(isequal(sort_cars(N),[33; 29.5; 26; 29; 38; 32]));

N = 6 ans = 33.0000 29.5000 26.0000 29.0000 38.0000 32.0000

Assertion failed.