Remove all infinite values from ydata and then remove those same indices from the xdata so the vectors remain the same length

Any recommendations to remove all infinite values from ydata and then remove those same indices from the xdata so the vectors remain the same length? I have removed the infinite values from the ydata and then outputed the indices that are finite, but I am unsure how to easily extract these same indices from the xdata. Thank you

Answer 1

[James Tursa]

x = isinf(ydata);
ydata(x) = [];
xdata(x) = [];

Or, if you need to extract the values into new variables,

x = ~isinf(ydata);
ydata_new = ydata(x);
xdata_new = xdata(x);