How to write matrix to text with comma separate but first column should be string

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mahesh chathuranga
回答： Ingrid 2014-9-4
i have a matrix with four columns. all values are numbers.I want to write it on text with comma separate row by row.but first column should be string after writing.how to do it?please help me. thanks! I used dlmwrite to write and Also I attached a text document with question

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回答（1 个）

Ingrid
Ingrid 2014-9-4
You can use sprintf to specify the type of output you want to write (%s for strings and %f for floats) and num2str to convert your number of the first column to a string

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