Demanding that A is/be a scalar
36210
"That... be" construction
72920
$x \perp y$ if and only if $\Vert x + \alpha y \Vert \ge \Vert x \Vert$ for all scalars $\alpha$
71059
How to perform arithmetic on values and operators expressed as strings?
97025
Can I get $$...$$ to behave like \[...\]?
149701
How to check that a string is parseable to a double?
147453
How do I specify 8^(a - b) in math mode
112707
Must $Q^\mathsf{T}Q = I$ if $(Qx)^\mathsf{T}(Qx) = x^\mathsf{T}x$
50551
How do you validate that two math expressions are equal?
35526
What's the proper way to typeset a differential operator?
16175
How can I pad a value with leading zeros?
105852
How to verify whether or not there exists a vector $x$ such that $Ax > 0$?
19966
How to customize derivative behavior via upvalues?
40036
Requiring NumericQ in Pure Function
108173
How to force matlab to call a regular function rather than class method when they are overloaded?
140352
How can I take a sensitive result for this equation?
18245
How to check if a system of congruence is solvable?
45071
Having the derivative be an operator