Hyperbola Scratcher 99 posts Scratchram Alpha (Wolfram Alpha) LiquidMetal wrote: It might be … With a prototype made, I was then left with some new methods which I felt could be refined by applying to a quick unrelated project. To embed this widget in a post, install the Wolfram|Alpha Widget Shortcode Plugin and copy and paste the shortcode above into the HTML source. (a || b || c) WA says, that it's minimal NOR-Form ist a NOR b NOR c. But if you type it in, the truth tables are different. Wolfram|Alpha » Explore anything with the first computational knowledge engine. Joined to it is a new vertex representing the output state of the function. Two things must be done: Stay on top of important topics and build connections by joining Wolfram Community groups relevant to your interests. Now need a GUI which allows the user to draw circuits and generates an output compatible with this method. Replacement via {True->Green,False->Red} to both the input list and the returned output state handles the graphics end. With all of this built-in data and interactive calculators, it is easy to get answers to your physics questions, either for homework or general curiosity. I have this logical expression: ! Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions STATISTICS & DATA ANALYSIS Descriptive Statistics Regression Statistical Distributions Probability PHYSICS Mechanics Electricity & Magnetism Optics Thermodynamics Relativity Nuclear Physics … mode specifies the gate's function (AND,OR.etc) and return specifies the output of logicGate when evaluated ("graphics" for returning the gate's graphic, "nodes" for returning the position of its input/output terminals etc). Gates which are connected to each other will be identified by looking for node positions from two different gates but with the exact same value. 0. We take a similar approach with step 2 where when connecting corresponding inputs and outputs for each gate, we ignore making connections between inputs which are already connected to another gate. Reduce time out errors. (These values are used as the locations for the points drawn when a connection between terminals/wires is made). Course Assistant Apps » An app for every course— right in the palm of your hand. To generate any useful output however, the locations of the gates nodes and its function must also be recorded. The buttons behaviour changes depending on the GUIs 'mode' (either placing gates or drawing wires) but each has a similar process: append graphics to a list, append data to a list. What does "no long range" mean on the soulknife rogue subclass mean? Wolfram Community forum discussion about Draw & Simulate Logic Circuits. Wires may only be drawn form an existing terminal but are allowed to end anywhere. "F4" is the first function and 'gets' the next 3 elements of the list (it's arity is 3, accessed via its vertex out-degree), hence we want to replace F4,E,D,C in the expression list with F4[E,D,C]. Connect with users of Wolfram technologies to learn, solve problems and share ideas, Community posts can be styled and formatted using the. At present, for example, it knows Terminal Velocity is a movie, but doesn't imagine my question is really about physics or aerodynamics. Software engine implementing the Wolfram Language. Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions STATISTICS & DATA ANALYSIS Descriptive Statistics Regression Statistical Distributions Probability PHYSICS Mechanics Electricity & Magnetism Optics Thermodynamics Relativity Nuclear Physics … If you've ever used Multisim, Logisim, or something similar then you'll see intended resemblance. Also, see Hardmath's Logic circuit evaluator. Then the list of vertices is reversed and the starting point ("X") is dropped. Here, a GUI allows the user to choose from a selection of logic gates (AND, OR, XOR and their respective negations), place them in a graphical environment and connect them (directly or by drawing wires) to other such gates. Enter boolean functions Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computation. While some pretty big limitations exist (user can't join multiple outputs to same input) and by the end of the project I had still never bothered to include a basic NOT gate, these issues are second to the projects success as an experiment in new methods and a chance to refine existing ones in a different setting. Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions STATISTICS & DATA ANALYSIS Descriptive Statistics Regression Statistical Distributions Probability PHYSICS Mechanics Electricity & Magnetism Optics Thermodynamics Relativity Nuclear Physics … Course Assistant Apps » An app for every course— right in the palm of your hand. The circuit is then rendered into a Boolean expression which is used to generate the circuits output state based on the user's control of the input states. Reading left to right, we can see the expression emerge. Remember the Star Trek computer? 2 - connect a gates output nodes to its input nodes for all gates. logic circuit (p or ~q) and (r xor s) - Wolfram|Alpha Balance chemical reactions like a pro. MathWorld » The web's most extensive mathematics resource. Using a depth first search on the graph, we begin at "X" and walk until the end (a terminal - or input for the eventual expression) is reached. Before attempting to handle an assortment of gates, we need to establish a method for how a single gate can be manipulated. I've used the IEEE standard for the graphics as it was much easier to draw and also from personal preference. Thank you for your wonderful contributions, and please keep them coming! The list is then read up to the next function and the process is repeated until there are no more functions to be read. For step 1, all output nodes, beginning with the first in circuitData are compared for equality against input nodes - if there's a match, their IDs (indices from circuitData) form the basis of a directed edge. There are limitations and cases where the simulation fails but overall, its a very basic yet effective program which succeeds in it's experimental scope. Find more Mathematics widgets in Wolfram|Alpha. An association is used for easy retrieval and organisation since nodes will need to be identified to not only their respective gate but also if they represent an input or output. Wolfram Blog » Read our views on math, science, and technology. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computation. The gate's graphic is drawn from pos={x,y} with a rotation of 0 by default. Remember the Star Trek computer? Thus by returning the gates function and applying it to the input list, we get the gates output. logic. arity is the number of inputs the gate receives (2,3 and 4 are available) . Here's an example. Remember the Star Trek computer? Online minimization of boolean functions. One such idea was making a map editor for drawing road networks in a graphical environment and having it generate something computable like a graph. The Wolfram Language represents Boolean expressions in symbolic form, so they can not only be evaluated, but also be symbolically manipulated and transformed. Wolfram|Alpha » Explore anything with the first computational knowledge engine. Get the free "Logic Gate Truth Table Generator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Remember the Star Trek computer? Wolfram|Alpha » Explore anything with the first computational knowledge engine. Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels. Knowledge-based broadly deployed natural language. Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions STATISTICS & DATA ANALYSIS Descriptive Statistics Regression Statistical Distributions Probability PHYSICS Mechanics Electricity & Magnetism Optics Thermodynamics Relativity Nuclear Physics … Wolfram|Alpha (aussi écrit WolframAlpha lorsque Wolfram et Alpha sont dans deux couleurs distinctes) est un outil de calcul en langage naturel développé par la société internationale Wolfram Research. In addition, the function may be called with a variety of options - to be introduced later - with which many aspects of equation setup can be influenced individually: Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions STATISTICS & DATA ANALYSIS Descriptive Statistics Regression Statistical Distributions Probability PHYSICS Mechanics Electricity & Magnetism Optics Thermodynamics Relativity Nuclear Physics … Technology-enabling science of the computational universe. Remember the Star Trek computer? Placeholders "F1","F2",.. represents arbitrary functions, "A","B",.. are the inputs of the expression and "X" is the output. Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions STATISTICS & DATA ANALYSIS Descriptive Statistics Regression Statistical Distributions Probability PHYSICS Mechanics Electricity & Magnetism Optics Thermodynamics Relativity Nuclear Physics … Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels. Once placed, a button is used to 'set' the gate into the program. Its unreasonable to need the user to place gates with so much precision as for them to appear connected so the GUI detects any instance of nodes from the active gate (the one the user is in the process of placing) coming into proximity with nodes from already placed gates and 'snaps' the active gate into place. The preeminent environment for any technical workflows. Central infrastructure for Wolfram's cloud products & services. Course Assistant Apps » An app for every course— right in the palm of your hand. It's finally happening--with Wolfram|Alpha. I considered using a more traditional grid interface but decided that a freeform placement method offered greater flexibility and interest. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computation. The ith button acts to replace the ith entry in inputState with either True or False with 1 button per input node. Clicking on the 'Set' button generates an association of the gate (1,2,3..) to its function and input & output nodes. Parts of Wolfram|Alpha are used in the Apple Siri Assistant; this app gives you access to the full power of the Wolfram|Alpha computational knowledge engine. Enter the Statement: [Use AND, OR, NOT, XOR, NAND, NOR, and XNOR, IMPLIES and parentheses] Of interest is how the user can control the states of individual inputs and have the corresponding output correctly displayed. Extended Keyboard; Upload; Examples; Random; Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. Hot Network Questions Is ground connection in home electrical system really necessary? Incorporating state-of-the-art quantifier elimination, satisfiability, and equational logic theorem proving, the Wolfram Language provides a powerful framework for investigations based on Boolean algebra. Mechanics Explore the physical laws that describe the behavior of one or more bodies under a system of forces. Last edited by LiquidMetal (May 10, 2013 22:31:27) Multidimensional Lists v2.0 || Sokoban Ultimate v1.0 Perfect Health Bars (stamping/costume) | 1s1s Onscreen Keyboard | Infinite Background Scrolling | Have a website? The goal is to get something out which has the form F3[F1[A],F2[B,F4[C,D,E]]]. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computation. It's finally happening--with Wolfram|Alpha. The Command CircuitEquations. Karnaugh map gallery. With a framework for control now established, the next step is to design a method for returning a Boolean expression from the envisioned output of the circuit design GUI. For the vertices representing functions, we replace them with function placeholders, And similarly for those representing inputs, A list of replacement rules is made for later. Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions STATISTICS & DATA ANALYSIS Descriptive Statistics Regression Statistical Distributions Probability PHYSICS Mechanics Electricity & Magnetism Optics Thermodynamics Relativity Nuclear Physics … The user controls the state of each input by clicking on a frameless button which is inserted into the graphic at each of the the locations specified by the gate functions "nodes" option. The initially constant list inputState is generated with length set by the functions arity and gives the arguments for the gates function. More examples. We identify the vertex representing the output of the circuit by its out-degree; it will be 0. Curated computable knowledge powering Wolfram|Alpha. The same instance of event handler mentioned earlier also appends the mouse location to a temporary list for drawing the wire before being appended to the graphics list. Heavy example. Viewed 394 times 1. i have some difficulties interpret some WolframAlpha logic. For the case of a gate, the graphic object returned via logicGate[pt, \[Theta], arity, mode, "graphics"] is appended to the list circuitGraphic initialised as {}. Drawing wires includes similar routines for snapping the end of a wire to any nearby gate. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computation. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computation. MathWorld » The web's most extensive mathematics resource. To embed a widget in your blog's sidebar, install the Wolfram|Alpha Widget Sidebar Plugin, and copy and paste the Widget ID below into the "id" field: We appreciate your interest in Wolfram|Alpha and will be in touch soon. MathWorld » The web's most extensive mathematics resource. To embed this widget in a post on your WordPress blog, copy and paste the shortcode below into the HTML source: To add a widget to a MediaWiki site, the wiki must have the. The method of controlling the gate function set earlier is extended to multiple gates and a similar interface for control is added. In a computational sense, when the user draws a wire, they are actually getting the location of the node that the wire begins at and changes its value to the position of the wires end point, i.e., a simple extension of the gates terminal. Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic … Active 7 years ago. The placeholders would then be replaced with their corresponding functions and states (i.e., "F1"->Not,"F2"->And,...,"A"->True,"B"->False,..) and thus the expression would return either True or False. Note: Only the first five people you tag will receive an email notification; the other tagged names will appear as links to their profiles. It can be quite useful for the questions it knows how to answer, but there is much more one might like to ask. - another post of yours has been selected for the Staff Picks group, congratulations ! I pictured the eventual output of the GUI to be the edges of a graph which would represent the circuit. Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels. i.e., we need to represent the connected gate by its output and not by its connected input. This will generate a list of connected vertices. 1- find and connect output nodes which are joined to input nodes of other gates When repeated, we would get something like F1->a->F2->b... but what is actually being represented is more like F1->F2->.. Wolfram Natural Language Understanding System. It's finally happening--with Wolfram|Alpha. The first step is to be able to place logic gates into position and store them in memory. Having experimented a bit with gene expression programming and karva notation, I already had an approach in mind but ultimately came up with something much better than my previous attempts. We are happy to see you at the top of the "Featured Contributor" board. For example, we define a 2 input AND gate drawn from {0,0} and return its graphic, function and location of in/out terminals. Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels. I've been trying out a lot of new ideas lately and doing things I wanted to do before but didn't know how. Evaluating a logic circuit expression. Wolfram Blog » Read our views on math, science, and technology. Logic & Set Theory ... Wolfram|Alpha also knows a variety of physical formulas and constants. + Expand . Truth Table Generator for Single Logic gates. So that snapToProximalNode is evaluated automatically, the locator pane based interface is wrapped in an event handler which performs gate (and wire) snapping whenever the mouse button is released. October 9, 2011 Performance up! Thus, Now we replace the function placeholders to get a Boolean expression, To evaluate the expression, we replace the terminal placeholders with their desired states. The nodes are indexed sequentially and categorised separately. Instant deployment across cloud, desktop, mobile, and more. #4 May 10, 2013 22:19:09. Enter the statement: [Use AND, OR, NOT, XOR, NAND, NOR, and XNOR, IMPLIES and parentheses] Revolutionary knowledge-based programming language. With the GUI tools set up, the next step is to have it assemble the info from circuitData into a series of connected nodes. Wolfram|Alpha can retrieve a wide range of data and perform many calculations, but it's not hard to run into its limits. It's finally happening--with Wolfram|Alpha. I skipped ahead to this step as I decided it would be easier to get this part done and work backwards. Boolean Algebra Question (Logic Circuits) 0. Converting boolean function (dnf) to only 2-input NANDs. It's finally happening--with Wolfram|Alpha. The program uses a single function to handle all instances of the logic gates used. Remember the Star Trek computer? Wolfram Blog » Read our views on math, science, and technology. Setting up systems of symbolic circuit equations is done by the Analog Insydes command CircuitEquations, which takes a Netlist or Circuit object as first argument. connections now forms a graph which fulfils the requirements set out earlier and so may be parsed into a Boolean expression. Ask Question Asked 7 years ago. 2.4.2 Circuit Equations. Domains covered by Wolfram|Alpha include: MATHEMATICS Elementary Math Numbers Plotting Algebra Matrices Calculus Geometry Trigonometry Discrete Math Number Theory Applied Math Logic Functions Definitions STATISTICS & DATA … LocatorPane is used to relay the mouse position into the function logicGate which is set to return a graphic. It's finally happening--with Wolfram|Alpha. The search is done for all paths and returns the vertices once they've been visited. Wolfram Alpha and Logic - NOR transformation.