Cody

Problem 44779. Don't be mean. Be nice!

Solution 2991436

Submitted on 25 Sep 2020
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Test Suite

Test Status Code Input and Output
1   Fail
R=1:4;k=2;y_correct = 27.5; a=dont_be_mean(R,k) assert(abs(a-y_correct)<1e-10)

a = 2.5000

Assertion failed.

2   Fail
R=0:8;k=3;y_correct = 493.3125; a=dont_be_mean(R,k) assert(abs(a-y_correct)<1e-10)

a = 48.9375

Assertion failed.

3   Fail
R=[1 2 4 6 8];k=4;y_correct = 4666.2; a=dont_be_mean(R,k) assert(abs(a-y_correct)<1e-10)

a = 466.2000

Assertion failed.

4   Fail
R=[2 8 6 7 4 5];k=1;y_correct = 5.33333333333333; a=dont_be_mean(R,k) assert(abs(a-y_correct)<1e-10)

Error using repelem Replication factors must be nonnegative integer-valued scalars or vectors. Error in dont_be_mean (line 5) polyval([ave2, repelem(ave, k-2)], 10); Error in Test4 (line 2) a=dont_be_mean(R,k)

5   Fail
R=0:9; y=0; for k=1:8 y=y+dont_be_mean(R,k); end y_correct=61042519.44444444; assert(abs(y-y_correct)<1e-3)

Error using repelem Replication factors must be nonnegative integer-valued scalars or vectors. Error in dont_be_mean (line 5) polyval([ave2, repelem(ave, k-2)], 10); Error in Test5 (line 4) y=y+dont_be_mean(R,k);

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