Member of the e-learning unit in Newcastle University's School of Mathematics and Statistics.

Lead developer of Numbas.

I'm happy to answer any questions - email me.

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Christian Lawson-Perfect on set2 2 years, 8 months ago

Gave some feedback: Has some problems

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Christian Lawson-Perfect commented on Find a parity check matrix for a linear code 2 years, 8 months ago

There's a custom JS marking script which doesn't work. It should be replaced with a JME marking algorithm.

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Christian Lawson-Perfect on Find a parity check matrix for a linear code 2 years, 8 months ago

Gave some feedback: Should not be used

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Christian Lawson-Perfect commented on Factorise a quadratic 2 years, 8 months ago

The pattern restriction doesn't cope with repeated factors

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Christian Lawson-Perfect on Factorise a quadratic 2 years, 8 months ago

Gave some feedback: Has some problems

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Christian Lawson-Perfect commented on Equivalent codes 2 years, 8 months ago

The variable testing condition is never satisfied, so something has changed.