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 May 19 awarded Yearling Dec 19 awarded Stellar Question Sep 24 awarded Autobiographer May 19 awarded Yearling Dec 7 accepted Is the shadow of the earth coming up almost matching in size with the moon a coincidence? Dec 7 asked Is the shadow of the earth coming up almost matching in size with the moon a coincidence? May 19 awarded Yearling Mar 6 comment Inverse of symmetric matrix $M = A A^\top$ @MarkKCowan have you tried the opencv library for using Cholesky or are you using matlab or something ? Feb 20 comment Matrix multiplied by mod p ok got it. thanks. Feb 20 accepted Matrix multiplied by mod p Feb 20 asked Matrix multiplied by mod p Feb 18 accepted What does it mean to multiply a matrix by $\bmod{p}$ Feb 18 comment What does it mean to multiply a matrix by $\bmod{p}$ are you saying taht I must simply divide each element of Matrix B by p and put the remainder in the place ? Feb 18 comment What does it mean to multiply a matrix by $\bmod{p}$ In your illustration, what is the value of b in mod b Feb 18 comment What does it mean to multiply a matrix by $\bmod{p}$ Sorry, I did not understand your illustration. Are you saying that if I want to calculate 21(mod 5), I must subtract 5 from 21 five times ? Is 21(mod 5) = 1 ? Similarly is 48 (mod 2) =44 ? Feb 18 asked What does it mean to multiply a matrix by $\bmod{p}$ Jan 23 awarded Notable Question Jan 6 comment Can a matrix based “secret sharing scheme” be applied to image based secret sharing? @RahulNarain yes, this was my initial thought, and I have been googling since then and this will probably work. Thanks. Jan 6 revised Can a matrix based “secret sharing scheme” be applied to image based secret sharing? added 84 characters in body; edited title Jan 6 comment Can a matrix based “secret sharing scheme” be applied to image based secret sharing? Actually, if you go thru the link, what they are suggesting is to take a matrix, and split it into n no. of parts(using their algorithm) which become the "shares". Now the holders of these "shares" can come together to "merge" the shares to regain the original secret(matrix). Thus effective "secret-sharing"