Recently published items - Numbas at mathcentre.ac.uk

This exam collects some questions demonstrating different uses of the programming extension and the Code part type, to mark code written in Python and R.

Published on 09/02/2022 14:39 CC BY

Assign a variable

Question by

Christian Lawson-Perfect and 2 others

This is the simplest demonstration of the "code" part type I could think of: write Python to assign x = 1.

An alternative answer gives a hint if the student's code doesn't define x at all.

Published on 09/02/2022 14:37 CC BY

Write an R function to approximate $e$

Question by

Christian Lawson-Perfect and 1 other

In the first part, the student must write an R function to compute the first $n$ terms of the series $\frac{1}{k!}$.

In the second part, they must use that function to calculate an approximation to $e$ using a given number of terms of the series.

Published on 09/02/2022 14:35 CC BY

Query the built-in mtcars dataset

Question by

Christian Lawson-Perfect and 1 other

Several questions on interrogating the mtcars dataset built in to R.

Published on 09/02/2022 14:35 CC BY