Cody

# Problem 44421. Portfolio diversification: choose your stocks !

Solution 1739190

Submitted on 28 Feb 2019 by Martin C.
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### Test Suite

Test Status Code Input and Output
1   Pass
stock1=[0.1 0.3 0.22 -.15 ] ; stock2=[0.3 0.4 -0.13 -0.22 ]; stock3=[0.6 -0.3 0.44 0.05]; y_correct ={'stock2' 'stock3'} assert(isequal(your_fcn_name(stock1,stock2,stock3),y_correct))

y_correct = 1×2 cell array {'stock2'} {'stock3'} m = 1.0000 0.6242 -0.1408 0.6242 1.0000 -0.2070 -0.1408 -0.2070 1.0000 maxi = -0.2070 I = 6 c = 1 I = 3 c = 2 portfolio = 1×2 cell array {'stock2'} {'stock3'}

2   Pass
stock1=[-0.1 0.4 -0.14 -.32 ]; stock2=[0.35 -0.10 0.66 0.18 ]; stock3=[0.62 -0.3 0.44 0.05]; y_correct = {'stock1' 'stock2'} assert(isequal(your_fcn_name(stock1,stock2,stock3),y_correct))

y_correct = 1×2 cell array {'stock1'} {'stock2'} m = 1.0000 -0.6162 -0.5974 -0.6162 1.0000 0.8307 -0.5974 0.8307 1.0000 maxi = -0.6162 I = 2 c = 1 portfolio = 1×2 cell array {'stock1'} {'stock2'}

3   Pass
stock1=[0.3 0.4 -0.8 0.5 ]; stock2=[0.62 0.2 -0.3 0.05]; stock3=[0.35 -0.10 0.66 0.18 ]; y_correct = {'stock1' 'stock3'} assert(isequal(your_fcn_name(stock1,stock2,stock3),y_correct))

y_correct = 1×2 cell array {'stock1'} {'stock3'} m = 1.0000 0.6847 -0.8342 0.6847 1.0000 -0.4052 -0.8342 -0.4052 1.0000 maxi = -0.8342 I = 3 c = 1 portfolio = 1×2 cell array {'stock1'} {'stock3'}

4   Pass
stock1=[-0.5 -0.2 0.35 0.02 ]; stock2=[0.2 0.15 -0.3 0.13]; stock3=[0.45 -0.04 0.66 0.2 ]; y_correct = {'stock1' 'stock2'} assert(isequal(your_fcn_name(stock1,stock2,stock3),y_correct))

y_correct = 1×2 cell array {'stock1'} {'stock2'} m = 1.0000 -0.8722 0.3760 -0.8722 1.0000 -0.6873 0.3760 -0.6873 1.0000 maxi = -0.8722 I = 2 c = 1 portfolio = 1×2 cell array {'stock1'} {'stock2'}

5   Pass
stock1=[0.5 0.2 0.35 0.4 ]; stock2=[-0.2 -0.15 -0.3 0.13]; stock3=[-0.45 -0.04 0.33 0.15 ]; y_correct = {'stock1' 'stock3'} assert(isequal(your_fcn_name(stock1,stock2,stock3),y_correct))

y_correct = 1×2 cell array {'stock1'} {'stock3'} m = 1.0000 0.0796 -0.4296 0.0796 1.0000 0.0823 -0.4296 0.0823 1.0000 maxi = -0.4296 I = 3 c = 1 portfolio = 1×2 cell array {'stock1'} {'stock3'}

6   Pass
stock1=[-0.32 -0.2 0.35 -0.4 ]; stock2=[0.2 0.15 0.3 0.13]; stock3=[-0.45 -0.04 -0.33 0.15 ]; y_correct = {'stock2' 'stock3'} assert(isequal(your_fcn_name(stock1,stock2,stock3),y_correct))

y_correct = 1×2 cell array {'stock2'} {'stock3'} m = 1.0000 0.9098 -0.4295 0.9098 1.0000 -0.7216 -0.4295 -0.7216 1.0000 maxi = -0.7216 I = 6 c = 1 I = 3 c = 2 portfolio = 1×2 cell array {'stock2'} {'stock3'}

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