How to read txt text data in matlab

The method for matlab to read txt text data: first open a txt file and keep the address of the folder; then use a textread function, and substitute the txt file path inside the function; finally, draw the xy graphic.

#The operating environment of this article: Windows 7 system, matlab version 7.0, Dell G3 computer.

How matlab reads txt text data:

1. Open a txt file, we will find that it has both characters and values.

#2. At this time, we delete all characters, leaving only useful data values.

#3. Remember the address of the folder, which will be used as a path for matlab reading later.

#4. At this time, use a textread function, and substitute the txt file path just now inside the function.

#5. The textread function is relatively stupid and will read these data into 1 as a vector. We divide it into two columns, represented by x and y.

#6. Finally, you can get the xy graph by drawing, so this method is simple and effective.

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