discrete mathematics : Math Help

Why do we not use letters as numbers?

logic notation terminology recreational-mathematics
Updated April 21, 2019 00:20 AM

Is this the correct solution to find a number of one-to-one functions?

discrete-mathematics inclusion-exclusion
Updated April 21, 2019 00:20 AM

Is the method of calculation correct for the possible permute orderings of 3x3 matrices of a valid sodoku grid?

permutations problem-solving computational-mathematics
Updated April 20, 2019 22:20 PM

What is the number of one-to-one functions f from the set {1, 2, . . . , n} to the set {1, 2, . . . , 2n − 1} so that f(x) $\neq$ 2x − 1 for all x?

discrete-mathematics computer-science inclusion-exclusion
Updated April 20, 2019 21:20 PM

How do I prove growth of functions with exponents?

discrete-mathematics
Updated April 20, 2019 18:20 PM

Gauss-divergence theorem for volume integral of a gradient field

vector-analysis computational-mathematics
Updated April 20, 2019 16:20 PM

How many bytes contain exactly two 1s?

discrete-mathematics permutations combinations
Updated April 20, 2019 10:20 AM

Simplex method using two phase

matrices discrete-mathematics computer-science linear-programming
Updated April 20, 2019 09:20 AM

Given L, s and d, which are positive real number, what is the probability that there exist integer k and k', such that $kd\in [k'(L+s)-s, k'(L+s)]$

discrete-mathematics integers
Updated April 20, 2019 02:20 AM

fibonacci and lucas numbers induction

discrete-mathematics induction fibonacci-numbers lucas-numbers
Updated April 19, 2019 23:20 PM

What is the cardinality of |S x I| for an elevator FSM that serves n floors?

discrete-mathematics cardinals
Updated April 19, 2019 20:20 PM

If more than half of the integers from $\{1, 2, \ldots, 2n\}$ are selected, then they must include two integers such that one divides the other

combinatorics discrete-mathematics pigeonhole-principle
Updated April 19, 2019 19:20 PM

Time Settings of the $z$ and Laplace Transforms.

laplace-transform integral-transforms z-transform discrete-time
Updated April 19, 2019 19:20 PM

Assigning people to jobs

combinatorics discrete-mathematics graph-theory
Updated April 19, 2019 17:20 PM

How to discretize and normalize an $n*n$ Gaussian kernel?

linear-algebra discrete-mathematics computer-vision
Updated April 19, 2019 17:20 PM

Is there a way to classify all power-invariant graphs?

combinatorics discrete-mathematics graph-theory
Updated April 19, 2019 15:20 PM

How would you notate that something is not in the domain of discourse?

discrete-mathematics predicate-logic
Updated April 19, 2019 15:20 PM

Fourier transform of a product of two functions

fourier-analysis fourier-transform computational-mathematics
Updated April 19, 2019 15:20 PM

How do I prove this by induction? With the induction on n

discrete-mathematics induction
Updated April 19, 2019 13:20 PM

Given a finite set S, let the relation R = {(S1, S2) | |S1| < |S2|, S1, S2 ⊆ S}. Is R reflexive, symmetric, antisymmetric or transitive.

discrete-mathematics relations
Updated April 19, 2019 03:20 AM

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