Cody

Problem 2010. Wrap a vector, but insert NaN's at the wrap-positions.

Solution 362254

Submitted on 30 Nov 2013 by Andrei Bobrov
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Test Suite

Test Status Code Input and Output
1   Pass
%% x = 1:20; m = 3; y = wrapnan(x,m); y_correct = [1 2 nan 0 1 2 nan 0 1 2 nan 0 1 2 nan 0 1 2 nan 0 1 2 nan 0 1 2]; assert(isequaln(y,y_correct)) filetext = fileread('wrapnan.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp* command is forbidden'); assert(isempty(strfind(filetext, 'eval')),'eval* command is forbidden'); assert(isempty(strfind(filetext, 'inline')),'inline command is forbidden');

2   Pass
%% x = [1 50 95 105 195 205 190 310 290 250 201 10]; m = 100; y = wrapnan(x,m); y_correct = [1 50 95 nan 5 95 nan 5 nan 90 nan 10 nan 90 50 1 nan 10]; assert(isequaln(y,y_correct))

3   Pass
%% x = [0.25 0.45 0.80 0.90 1.25 0.60 0.10 0.20 1.70 1.60 1.50 1.80 1.40 0.10]; m = 0.5; y = wrapnan(x,m); y_correct = [0.25 0.45 NaN 0.30 0.40 NaN 0.25 NaN 0.10 NaN 0.10 0.20 NaN 0.20 0.10 0.00 0.30 NaN 0.40 NaN 0.10]; assert(isequaln(roundn(y,2),roundn(y_correct,2)))

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