How do I combine character strings and numeric arrays using fprintf?

2017 11 8
2 个回答
更新时间：2017 11 8
11 次查看（30 天）

0 个投票

Basically need help with the syntax, I need to have the first column of the table a string array of characters and the next three a matrix of numerical values

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回答（2 个）

KSSV
KSSV 2017-11-8

1 个投票

str = 'Hi this is demo:' ; % a string
val = rand(1,3) ;
fprintf('%s %f %f %f\n',str,val)

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Joel Nowlin
Joel Nowlin 2017-11-8
I tried this format, but matlab evaluates the second character string with %f, say str=["Bob" "Sue" "Jim" "Phil"] matlab returns "Bob NaN NaN NaN NaN" Is there any way to prioritize the first input argument (str) to get matlab to evaluate the whole string before moving on to the numerical array? Sorry if I'm bad at explaining this
KSSV
KSSV 2017-11-8
str=["Bob" "Sue" "Jim" "Phil"] ;
fprintf([repmat('%s ',1,length(str)),'\n'],str)

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Stephen23
Stephen23 2017-11-8

0 个投票

>> C = {'Anna','Bob','Charly','Diane'};
>> M = rand(4,3);
>> D = [C(:),num2cell(M)]';
>> fprintf('%8s %8f %8f %8f\n',D{:})
Anna 0.713433 0.187407 0.376554
Bob 0.140956 0.777929 0.433123
Charly 0.888480 0.623920 0.942841
Diane 0.734345 0.404552 0.725598
>>

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