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Apr
9
revised Boolean algebra - Maxterms
added recipe
Apr
9
answered Boolean algebra - Maxterms
Apr
7
comment Making a “larger than” function with only basic arithmetic
For integers, such a function is called Digital Comparator. It is composed of bitwise operations which in turn can be computed via arithmetic. Real numbers are more complicated to compare. This depends on the number representation.
Apr
6
awarded  Unsung Hero
Mar
27
answered For invertible $A$, $C$, prove that: $(A^{−1} + B^TC^{−1}B)^{−1}B^TC^{−1} = AB^T(BAB^T + C)^{−1}$
Feb
15
answered Is there a proof for the FOIL method in Boolean algebra?
Feb
13
revised Need help on clarification on a boolean algebra/logic gate question.
added 85 characters in body
Feb
13
comment Need help on clarification on a boolean algebra/logic gate question.
Your AND-OR solution does not use the binary decoder component described in the question. Make use of the fact that all minterms have least-significant-bit false. Thus 3-input decoders are sufficient to distinguish the minterms. OR the three cases and AND them to 0 for A=1.
Feb
12
comment Graph Software, figures
For function plotting, fooplot is quite useful.
Feb
4
answered Simplifying DNF conversion?
Jan
24
answered How can I prove the following logic equation?
Jan
24
comment self dual boolean function
Meanwhile, a similar question has been answered here.
Jan
24
answered Sum-of-products for a function
Jan
23
answered K-Map multiple representations
Jan
23
revised K-Map multiple representations
included pictures
Jan
17
awarded  Yearling
Jan
13
comment Given triangle ABC, how to move point B to a certain angle given that its new location lies within the direction of its old altitude.
You could make use of the inscribed angle theorem. $B'$ must be on a circle around a center point $M$ through $A$ and $C$. Center angle $AMC$ is $2\theta$. The nearest point on the circle is the intersection of the circle and line $BM$.
Jan
7
answered How to transform formulas in conjunctive normal forms?
Jan
6
answered Number of self dual functions and number of inputs for which self dual function is 1
Dec
22
comment Affinity of a boolean function in adequate sets
Yes. That is correct.