Felix Lenders

Vertical lines in matrices

8

I am exploring Numbas for teaching linear systems and wonder if it possible to use the matrix input with some visual aid for entering augmented matrices corresponding to linear systems....

Partial feedback on incorrectly entered vectors/matrices

2

Assume the matrix entry as answer option is used together with the option to give partial credit for correctly set fields. Now if a student submits an incorrect solution, the...

On some discs ripping fails in the analyze phase in different ways. I attach output/stacktrace for all three examples. Case 1: ``` Using configured read offset 667 Checking device /dev/sr0...

Inkosistenz Histogramm

3

Im Falle einer Aufgabe auf einem Übungsblatt sollte das Histogramm für den gesamten Übungszettel exakt das selbe sein wie das für die Übungsaufgabe. Dem ist nicht so, siehe angehängte Grafik...

## Description With `sympy_plot_backends` I create an interactive plot that shows the graph of a parameter dependent function. With a slider it is possible to change the parameter value. After...

Limits of sum incorrectly placed if sum is entered as unicode character

2

### Issue Summary There is a difference in rendering if the macro `\sum` or the corresponding unicode character ∑ is used. LuaLaTeX rendering leads to identical placement of limits, while...