Why doesn't plot show desired values from my array?

Row array aVals(1 : 10) contains pi for each value.

plot(aVals(1:10)

gives the expected result:

plot(aVals(5:10)

fails to plot some of the data:

what't wrong? how do I fix that?

Answer 1

[Emma]

Sorry, I figured it out.

plot(5:10, aVals(5:10)