What does the following expression does: x = (a1,a2,...,n);
611
How does the Comma Operator work
111221
Parenthesis in expr arithmetic: 3 * (2 + 1)
71725
$\mathcal N (A):=\mathcal P(A)\setminus\{\varnothing\}$ notation
143283
What does A a() mean?
92087
What does =* mean?
50615
Expressing a Non Negative Integer as Sums of Two Squares
85195
Recurrence relation: $a_n = 3a_{n-1} + 2n, a_0 = 1$
36954
What does the construct f[x_] := f[x] = ... mean?
33633
Re:$ (a,b,c,d)=(pr+qs, qr-ps,pr-qs,ps+qr) $
99366
Minimum of an expression involving radicals: $\sqrt{\frac{2a}{a+b}} + \sqrt{\frac{2b}{b+c}} + \sqrt{\frac{2c}{c+a}}$
132879
Matlab questions about $a_{n+1} = 4a_{n} + n +1$
52078
Multinomial Coefficients Definition in expansion of $(1+x+x^2+\cdots+x^l)^n$
124742
P(A|C)=P(A|B)*P(B|C)?
15985
simplify $(a_1 + a_2 +a_3+... +a_n)^m$
17213
what operation repeated $n$ times results in the addition operator?
31089
Differentiating expressions with division in them
15666
explanation for a combinatorial identity involving the binomial coefficient