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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.
Dec
22
answered Affinity of a boolean function in adequate sets
Dec
16
answered find truth tables and K-Map
Dec
1
comment Shortest distance between two lines and common perpendicular
The "second form" is the form used for Line 2: point plus multiple of direction vector. Once you have two points, you can use their difference as direction vector and one of the points as starting point.
Dec
1
comment Shortest distance between two lines and common perpendicular
Hint: to find two points on Line 1, you can look for values for (x;y;z) which result in 0 or 1. This leads to points (8; -9; -1) and (11; -25; -3). From there, you directly get an equation of the second form, including both direction vectors.
Nov
27
comment logic formula: transform to cnf / dnfb
For implication, you could translate "C implies A" to "A or not C" and apply the usual rules. Simililarly, you could translate bi-implication/equivalence into an and/or/not expression.
Nov
26
answered logic formula: transform to cnf / dnfb
Nov
26
answered Which form of the function is simpler?
Oct
21
comment Minimizing this Boolean Algebra expression
Draw a Karnaugh map. It will show you how to reduce the four-literal term to a three-literal term. The trick is to find terms which only differ in one literal and thus can be merged by dropping one variable. Once you have found a result, use wolframalpha.com to check it.