Cody

Problem 2874. Cumulative product of a vector

Solution 3884178

Submitted on 28 Nov 2020
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Test Suite

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

Error using cumsum Invalid option. Option must be 'forward', 'reverse', 'omitnan' or 'includenan'. Error in cum_prod (line 2) y = cumsum(x,'all'); Error in Test1 (line 3) assert(isequal(cum_prod(x),y_correct))

2   Fail
x = [1 2 5 10],; y_correct = [ 1 2 10 100]; assert(isequal(cum_prod(x),y_correct))

x = 1 2 5 10

Error using cumsum Invalid option. Option must be 'forward', 'reverse', 'omitnan' or 'includenan'. Error in cum_prod (line 2) y = cumsum(x,'all'); Error in Test2 (line 3) assert(isequal(cum_prod(x),y_correct))

3   Fail
x = [1 2 5 0],; y_correct = [ 1 2 10 0]; assert(isequal(cum_prod(x),y_correct))

x = 1 2 5 0

Error using cumsum Invalid option. Option must be 'forward', 'reverse', 'omitnan' or 'includenan'. Error in cum_prod (line 2) y = cumsum(x,'all'); Error in Test3 (line 3) assert(isequal(cum_prod(x),y_correct))

4   Fail
x = 1:6,; y_correct = [ 1 2 6 24 120 720]; assert(isequal(cum_prod(x),y_correct))

x = 1 2 3 4 5 6

Error using cumsum Invalid option. Option must be 'forward', 'reverse', 'omitnan' or 'includenan'. Error in cum_prod (line 2) y = cumsum(x,'all'); Error in Test4 (line 3) assert(isequal(cum_prod(x),y_correct))

5   Fail
x = 0:2,; y_correct = [ 0 0 0]; assert(isequal(cum_prod(x),y_correct))

x = 0 1 2

Error using cumsum Invalid option. Option must be 'forward', 'reverse', 'omitnan' or 'includenan'. Error in cum_prod (line 2) y = cumsum(x,'all'); Error in Test5 (line 3) assert(isequal(cum_prod(x),y_correct))

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