Quiz 1 Review Flashcards
You can use the _____ function to import tabular data from a spreadsheet or text file and store the result as a table.
readtable
Ex. data = readtable(“myfile.xlsx”);
You can use ______ notation to refer to any individual variable within a table.
dot
Ex. x = mytable.Xdata;
y = mytable.Ydata;
T/F: The default axis limits distort the aspect ratio of the letter.
T
You can use the ____ command to force the axes to preserve the aspect ratio of the data.
axis
You can correct the aspect ratio of a ploy by using the ____ command
axis equal
You can execute your script by clicking the _____ or ______ buttons in the MATLAB® Toolstrip.
Run
Run Section
You can index into variables in a table by using ____.
dot notation and parentheses.
finalX = data.XVal(end);
To learn more information about a task (open’s up MATLABs manual) use command ____.
doc
i.e. doc + function name
- doc readtable
- doc plot
- doc scatter
T/F: To normalize data, you need to work with data that has no units
T
A ______ is simply a value calculated from the signal, such as its duration.
feature
The ______ function returns the range of values in an array. That is, range(x) is equivalent to max(x) - min(x).
range
You can use _______ notation to extract, modify, and reassign variables in a table, just as you would with any variable.
dot
You can index into variables in a table by using ___ notation and parentheses.
dot
a ____ is simply a value calculated from the signal, such as its duration.
feature
scatter
