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1d
answered how to find coefficient c1, c2, c3, c4 of a polynomials of degree 4 from resolvent
2d
answered Proof of irrationality of $\zeta(2)$ without explicitly calculating it
Feb
4
answered Are there singular matrices such that if we change any entry it will be non-singular?
Feb
4
answered Inner product, positive-definiteness
Feb
2
answered Is it possible to solve for values in a matrix such that all rows and columns have equal sum?
Feb
1
answered What are the smallest amount of numbers required to generate all the even numbers?
Feb
1
answered Cosine Similarity Implementation
Feb
1
answered Quadratic reciprocity: Tell if $c$ got quadratic square root mod $p$
Jan
30
answered Meeting People at a Party Hamiltonian Graph
Jan
30
answered Matrix with maximal rank in a family of matrices
Jan
29
answered Does anybody know an example for a matrix with nullspace property for nonnegative signals?
Jan
28
answered How many such sequences exist?
Jan
27
answered Semimagic square Matrix
Jan
25
answered The smallest “non-trivial” amicable pair
Jan
25
answered Find the sum of the series (rearranged harmonic series)
Jan
25
answered Largest range of a list of five integers in which the mean, median and mode are consecutive integers
Jan
25
answered Induction Proof for $fib_{2n} = (fib_{n+1})^{2} - (fib_{n-1})^{2}$
Jan
18
answered For what values of $x$ is it possible to compute $\cos(x \phi)$ with vectors?
Jan
13
answered the shape of $x - \frac{\lfloor q x\rfloor}{q}$ when $q \to \infty$
Jan
2
answered Sum and Product of continued fraction expansion?