Cody

# Problem 584. middleAsColumn: Return all but first and last element as a column vector

Solution 1892033

Submitted on 5 Aug 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
x = 1; y_correct = zeros(0,1); assert(isequal(middleAsColumn(x),y_correct))

x = 1×0 empty double row vector

Matrix index is out of range for deletion. Error in middleAsColumn (line 3) x(1)=[] Error in Test1 (line 3) assert(isequal(middleAsColumn(x),y_correct))

2   Fail
x = rand(1,4); y_correct = x(2:3)'; assert(isequal(middleAsColumn(x),y_correct))

x = 0.9578 0.6692 0.9846 x = 0.6692 0.9846 ans(:,:,1) = 0.6692 ans(:,:,2) = 0.9846

Assertion failed.

3   Fail
x = rand(4,1); y_correct = x(2:3); assert(isequal(middleAsColumn(x),y_correct))

x = 0.7990 0.0506 0.9718 x = 0.0506 0.9718 ans = 0.0506 0.9718

Assertion failed.

4   Fail
x = rand(2,2); y_correct = x(2:3)'; assert(isequal(middleAsColumn(x),y_correct))

x = 0.9725 0.7034 0.5906 x = 0.7034 0.5906 ans(:,:,1) = 0.7034 ans(:,:,2) = 0.5906

Assertion failed.

5   Fail
x = {1 2 3 4}; y_correct = x(2:3)'; assert(isequal(middleAsColumn(x),y_correct))

x = 1×3 cell array {[1]} {[2]} {[3]} x = 1×2 cell array {[2]} {[3]} 1×1×2 cell array ans(:,:,1) = {[2]} ans(:,:,2) = {[3]}

Assertion failed.

6   Fail
x = struct('a',{1 2 3 4},'b',{3 4 5 6}); y_correct = x(2:3)'; assert(isequal(middleAsColumn(x),y_correct))

x = 1×3 struct array with fields: a b x = 1×2 struct array with fields: a b ans = 1×1×2 struct array with fields: a b

Assertion failed.