Cody

# Problem 1409. Continued fractions

Solution 1785077

Submitted on 12 Apr 2019
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### Test Suite

Test Status Code Input and Output
1   Pass
x = pi; y_correct = '3 + 1/(7 + 1/(16))'; assert(isequal(contfractions(x),y_correct))

ans = '3 + 1/(7 + 1/(16))'

2   Fail
x = exp(1); y_correct = '3 + 1/(-4 + 1/(2 + 1/(5 + 1/(-2 + 1/(-7)))))'; assert(isequal(contfractions(x),y_correct))

ans = '3 + 1/(-4 + 1/(2 + 1/(5 + 1/(-2 + 1/(-7 + 1/(2))))))'

Assertion failed.

3   Fail
x = sqrt(2); y_correct = '1 + 1/(2 + 1/(2 + 1/(2 + 1/(2 + 1/(2 + 1/(2 + 1/(2 + 1/(2))))))))'; assert(isequal(contfractions(x),y_correct))

ans = '1 + 1/(2 + 1/(2 + 1/(2 + 1/(2 + 1/(2 + 1/(2 + 1/(2)))))))'

Assertion failed.

4   Fail
x = (exp(1)-1)^-1; y_correct = '1 + 1/(-2 + 1/(-3 + 1/(2 + 1/(5 + 1/(-2 + 1/(-7 + 1/(2)))))))'; assert(isequal(contfractions(x),y_correct))

ans = '1 + 1/(-2 + 1/(-3 + 1/(2 + 1/(5 + 1/(-2 + 1/(-7))))))'

Assertion failed.

5   Pass
filetext = fileread('contfractions.m'); assert(isempty(strfind(filetext, 'switch'))) assert(isempty(strfind(filetext, 'case')))