Christian Lawson-Perfect
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.
Christian's activity
Christian Lawson-Perfect on Truth tables 4 (v2) 6 years, 7 months ago
Saved a checkpoint:
Can't convert grids of booleans to matrices automatically any more, so I've added a function 'bool_matrix' to do that.
Christian Lawson-Perfect on Transportation problem - stepping stones 6 years, 7 months ago
Saved a checkpoint:
Replaced javascript in part b with a custom marking algorithm.
Christian Lawson-Perfect on Simplex method - 4 or 5 random inequalities 6 years, 7 months ago
Saved a checkpoint:
Replaced javascript in part a with a custom marking algorithm
Christian Lawson-Perfect on Simplex algorithm - bus company 6 years, 7 months ago
Saved a checkpoint:
Replaced javascript for part h with a custom marking algorithm
Christian Lawson-Perfect on Hungarian algorithm 6 years, 7 months ago
Saved a checkpoint:
Replaced javascript in part a with a custom marking algorithm
Christian Lawson-Perfect on Generator matrix for Simplex code 6 years, 7 months ago
Saved a checkpoint:
Replaced javascript in part b with a custom marking algorithm.
Christian Lawson-Perfect on Finding bases for the null space and row space of a matrix 6 years, 7 months ago
Saved a checkpoint:
Need to replace the javascript in part c with a custom marking algorithm.
Christian Lawson-Perfect on Finding bases for the null space and row space of a matrix 6 years, 7 months ago
Gave some feedback: Doesn't work
Christian Lawson-Perfect on Find n such that $\sigma(n)$ is the given number 6 years, 7 months ago
Saved a checkpoint:
Part b seemed to be just some debugging info, so I've removed it
Christian Lawson-Perfect on Find n such that $\sigma(n)$ is the given number 6 years, 7 months ago
Gave some feedback: Needs to be tested