PLOT CSV FILE IN MATLAB
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Willian Alexander Correa Reyes
am 8 Jul. 2021
Kommentiert: Ankit
am 9 Jul. 2021
Good Morning,
I am trying to graph the attached .csv file but it does not run correctly, my code is as follows.
t,p = csvread('re.csv',1,0);
y_line_1= tmp(:,7);
x_line_1= tmp(:,3);
plot(x_line_1,y_line_1,'b-')
I appreciate the help.
Willian
X axis: P2
Y axis: P6
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Ankit
am 8 Jul. 2021
Bearbeitet: Ankit
am 8 Jul. 2021
csvread: The file can only contain numeric values.
I would prefer readtable command. With this command you have flexibility to use variety of import options too. This "opts" object contains properties that control the data import process.
For more info on readtable see the following link - readtable
tmp = readtable('re.csv');
y_line_1= table2array(tmp(:,7));
x_line_1= table2array(tmp(:,3));
plot(x_line_1,y_line_1,'b-')
3 Kommentare
Jeremy Hughes
am 8 Jul. 2021
I see this a lot:
table2array(tmp(:,7)) % extracts a sub table then converts it to an array
Which is a complicated way of doing:
tmp.(7) % directly extracts the seventh variable.
Also, in newer releases you could be using:
tmp = readmatrix('re.csv');
Ankit
am 9 Jul. 2021
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