Cody

# Problem 2050. remove nans fast

Solution 1706060

Submitted on 11 Jan 2019 by HH
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### Test Suite

Test Status Code Input and Output
1   Pass
tm=[]; for t=1:100 rng('default'); m=rand(100,100,100); m(m>0.7)=nan; tic o=removenan(m); tm(t)=toc; end rng('default'); m=rand(100,100,100); m(m>0.7)=nan; m(isnan(m))=[]; t_correct=0.019; assert(mean(tm)<t_correct) assert(isequal(o,m'))

[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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [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 removenan (line 2) In ScoringEngineTestPoint1 (line 7) In solutionTest (line 3)] [Warning: Function assert has the same n...

2   Pass
tm=[]; for t=1:100 rng('default'); m=rand(100,10000); m(m>0.71)=nan; tic o=removenan(m); tm(t)=toc; end rng('default'); m=rand(100,10000); m(m>0.71)=nan; m(isnan(m))=[]; t_correct=0.019; assert(mean(tm)<t_correct) assert(isequal(o,m'))

3   Pass
tm=[]; for t=1:100 rng('default'); m=rand(2,500000); m(m>0.69)=nan; tic o=removenan(m); tm(t)=toc; end rng('default'); m=rand(2,500000); m(m>0.69)=nan; m(isnan(m))=[]; t_correct=0.019; assert(mean(tm)<t_correct) assert(isequal(o,m'))