How to change the system in 4x4 system of first-order equations?
140933
How to change the system in four first order equations?
139868
Linear transformations, $R^5,R^4$
126402
How to factor a fourth degree polynomial
146300
Fast way to create $[ I_4\otimes e_1,\ \dots ,\ I_4 \otimes e_T]$?
6137
Converting 3x7 to a 1x7. Is it possible with only existing parts?
146064
How to number equations with a list environment
128561
How to change the variables Qi's to Ri's in one or two steps
35552
How can I change the size of one symbol in an equation?
64094
How do I use RSolve to solve a system of recurrence relations?
47625
How to fit 3 data sets to a model of 4 differential equations?
151939
How to align a set of multiline equations
125385
How to change equation numbering style
42127
How to force equation to be closer to the sum operator?
23676
How to left align a set of equations
121113
How to solve this nonlinear 2 by 2 equations?
83131
Centering \vdots in a system of many equations
39107
Which command should I use for displayed equations?