Cody

# Problem 785. Mandelbrot Number Test [Real+Imaginary]

Solution 107371

Submitted on 6 Jul 2012 by Tim
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### Test Suite

Test Status Code Input and Output
1   Pass
%% format long v=[-2; 0.22-0.54i ; 0.25-.54i ; 0.26 ;.125+.125i; 0.25]; tf=isMandelbrot(v); tf_expected=[1 ; 0 ; 1 ; 0 ; 1 ; 1] ; assert(isequal(tf,tf_expected),sprintf('\n%f %f %f %f %f %f',tf,tf_expected))

2   Pass
%% v=-.25*ones(6,1)+(rand(6,1)-.5)/2+i*(rand(6,1)-.5)/2 %v=[-.5-.25i;-.5+.25i;-.25i;.25i;-.25-.25i;-.25+.25i] % Bounding Cases tf=isMandelbrot(v); tf_expected=[1 ; 1 ; 1 ; 1 ; 1 ; 1] ; assert(isequal(tf,tf_expected),sprintf('\n%f %f %f %f %f %f',tf,tf_expected))

v = -0.126318502831962 + 0.136170704313667i -0.256537070570563 + 0.134091109291635i -0.097068551854348 + 0.159184886545094i -0.386452327544312 - 0.149451321281018i -0.073329934558509 + 0.084107874120173i -0.157549658935448 - 0.175064128753907i

3   Pass
%% v=rand(6,1)-0.25 tf=isMandelbrot(v); tf_expected=v<=0.25; % non-imaginary range [-2.0,0.25] assert(isequal(tf,tf_expected),sprintf('\n%f %f %f %f %f %f',v,tf,tf_expected))

v = 0.354664308712407 -0.022683899830775 -0.179659052469744 0.523342056300109 0.411544976254114 0.112715230647190