Problem 189. Sum all integers from 1 to 2^n

Solution 68251

Submitted on 31 Mar 2012 by Kuifeng

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Kuifeng on 31 Mar 2012

This solution can accept arrays of integers as x input

Test	Status	Code Input and Output
1	Pass	%% x = 7; y_correct = 8256; assert(isequal(sum_int(x),y_correct))
2	Pass	%% x = 10; y_correct = 524800; assert(isequal(sum_int(x),y_correct))

Test

Status

Code Input and Output

Pass

%% x = 7; y_correct = 8256; assert(isequal(sum_int(x),y_correct))

Pass

%% x = 10; y_correct = 524800; assert(isequal(sum_int(x),y_correct))