Problem 44768. Muphry's Law of MATLAB

Solution 1670456

Submitted on 9 Nov 2018 by Tim

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Test	Status	Code Input and Output
1	Pass	x = [67 58 3596]; y_correct = [62 58]; assert(isequal(muphry(x),y_correct))
2	Pass	x = [58 67 3596]; y_correct = [58 62]; assert(isequal(muphry(x),y_correct))
3	Pass	x=[11 13 363]; y_correct = [11 33]; assert(isequal(muphry(x),y_correct))
4	Pass	x=[2 3 4 5 16 3120]; y_correct = [2 3 4 5 26]; assert(isequal(muphry(x),y_correct))
5	Pass	x=[12345 23456 166114320]; y_correct = [12345 13456]; assert(isequal(muphry(x),y_correct))
6	Pass	x=[11 22 132]; y_correct = [11 12]; assert(isequal(muphry(x),y_correct))
7	Pass	x=[12 22 252]; y_correct = [12 21]; assert(isequal(muphry(x),y_correct))
8	Pass	x=[2 3 4 5 16 2688]; y_correct=[2 3 4 7 16]; assert(isequal(muphry(x),y_correct))
9	Pass	for flag=1:1000 p1=10; p2=10; p3=10; while or((p1==p3),or((p2==p3),(p1==p2))) p1=[ceil(9rand) floor(10rand(1,4))]; p2=[ceil(9rand) floor(10rand(1,4))]; if rand>0.5 p3=p1; changed=1; else p3=p2; changed=2; end n=ceil(4rand)+1; if p3(n)==9 p3(n)=0; else p3(n)=p3(n)+1; end p1p=polyval(p1,10); p2p=polyval(p2,10); p3p=polyval(p3,10); end if changed==1 x=[p1p p2p p3pp2p]; else x=[p1p p2p p1p*p3p]; end xval=muphry(x); if changed==2 assert(isequal(xval,[p1p p3p])) else assert(isequal(xval,[p3p p2p])) end end