Content created by Newcastle University

Christian Lawson-Perfect on Find n such that $\sigma(n)$ is the given number 5 years, 6 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 5 years, 6 months ago

Gave some feedback: Needs to be tested

Numbas Admin commented on Find n such that $\sigma(n)$ is the given number 5 years, 6 months ago

Automatic testing has identified a problem with this question:

Part b got 0 credit

Numbas Admin on Find n such that $\sigma(n)$ is the given number 5 years, 6 months ago

Gave some feedback: Doesn't work

Christian Lawson-Perfect on Find determinant of a 3x3 matrix with a free variable by row reduction 5 years, 6 months ago

Saved a checkpoint:

Replaced javascript with custom marking algorithms.

Christian Lawson-Perfect on Factorise polynomials over Z_5 5 years, 6 months ago

Saved a checkpoint:

Fixed the pattern-matching code for Numbas v4. Could all do with being a custom marking algorithm, though.

Numbas Admin commented on Factorise numbers into products of prime powers 5 years, 6 months ago

Automatic testing has identified a problem with this question:

Error in part Part a gap 0 custom script constructor: Cannot set property 'correctAnswer' of undefined

Numbas Admin on Factorise numbers into products of prime powers 5 years, 6 months ago

Gave some feedback: Doesn't work

Christian Lawson-Perfect on Factorise four numbers 5 years, 6 months ago

Saved a checkpoint:

There's a load of javascript that should be replaced with a custom marking algorithm, or a pattern restriction.

Christian Lawson-Perfect on Factorise four numbers 5 years, 6 months ago

Gave some feedback: Doesn't work

Christian Lawson-Perfect on Duality of linear programming problems (2 variables) 5 years, 6 months ago

Saved a checkpoint:

"Error in part Part a gap 2 custom script constructor: this.display is undefined"

Christian Lawson-Perfect on Duality of linear programming problems (2 variables) 5 years, 6 months ago

Gave some feedback: Doesn't work

Christian Lawson-Perfect on Combining algebraic fractions 3.0 5 years, 6 months ago

Saved a checkpoint:

Replaced string restrictions with pattern restriction

Christian Lawson-Perfect on Classify singular points of a second order ODE 5 years, 6 months ago

Saved a checkpoint:

Has a custom marking script in JS which doesn't work. Needs to be replaced with a marking algorithm in JME.

Christian Lawson-Perfect on Classify singular points of a second order ODE 5 years, 6 months ago

Gave some feedback: Doesn't work

Christian Lawson-Perfect on Arithmetics of complex numbers IV 5 years, 6 months ago

Saved a checkpoint:

Replaced string restrictions with pattern restrictions

Christian Lawson-Perfect on Arithmetics of complex numbers III 5 years, 6 months ago

Saved a checkpoint:

Replaced string restrictions with pattern restrictions.

Bill Foster on Represent a linear map as a matrix with a given basis 5 years, 9 months ago

Gave some feedback: Ready to use

Bill Foster on Represent a linear map as a matrix given a basis 5 years, 9 months ago

Gave some feedback: Ready to use

Bill Foster on Write a permutation as a product of transpositions 5 years, 9 months ago

Gave some feedback: Ready to use