how to write solve this problem in matlab?

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LOVLIPREET SINGH
LOVLIPREET SINGH 2018-6-24
回答： Walter Roberson 2018-6-24
Dear members I want to write program in matlab in which it takes a sentence(for example: today is sunday) as an input and gives output such that : it should take first word of first letter(example t), then takes first word of second letter(i) after that takes first word of third word(s) and display it as "tis". then for second iteration tiu, third iteration tin and so on. I hope i am able to explain it properly. Thanks in advance.
  2 个评论
Image Analyst
Image Analyst 2018-6-24
Sounds like homework. Is it?
In the meantime, check out strtok() and this link
LOVLIPREET SINGH
LOVLIPREET SINGH 2018-6-24
编辑：LOVLIPREET SINGH 2018-6-24
no, this is not at all a homework. I have already graduated from the university. I just started learning MATLAB and trying out different examples to get good at it. i got struck at this problem. would be interesting to know how to tackle this type of problems.

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回答（2 个）

Star Strider
Star Strider 2018-6-24
This works:
str = 'today is sunday';
words = regexp(str, ' ', 'split');
minlen = min(cellfun(@numel, words));
for k1 = 1:numel(words)
for k2 = 1:minlen
A(k2,k1) = words{k1}(k2);
end
end
Out = A
Out =
2×3 char array
'tis'
'osu'
  2 个评论
LOVLIPREET SINGH
LOVLIPREET SINGH 2018-6-24
编辑：LOVLIPREET SINGH 2018-6-24
thanks for replying sir. but this is not the solution i was looking for. I want this output; tis;tiu;tin;tid;tia;tit ois;oiu;oin;oid;oia;oit dis;diu......... ais..... yis..... and so on
Walter Roberson
Walter Roberson 2018-6-24
Where did the tit come from, and what happened to tiy ?

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Walter Roberson
Walter Roberson 2018-6-24
[P,Q,R] = ndgrid('today','is','sunday')
[reshape(permute(P,[3 1 2]),[],1),reshape(permute(Q,[1 3 2]),[],1),reshape(permute(R,[3 2 1]),[],1)]
or
[P,Q,R] = ndgrid('sunday', 'today','is');
[Q(:),R(:),P(:)]

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