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The directions DO change (incorrectly), and I can't find a pattern with it really. y wasn't what I thought it was, now I'm using .eulerAngles.y instead. You'll have to provide a bit more information for us to understand what exactly you're trying to accomplish here. In that case, rotating by the y component of the quaternion that represents your camera's orientation doesn't make much (any) sense. What type is ? I'm going to guess that it's a quaternion storing the orientation of your camera. Rotation is a linear operation that transforms a vector into a rotated space, which is what the R matrix represents (the identity rotated by theta degrees).ĮDIT2: I'm not exactly sure what .y contains. What did you mean by that? Did it rotate in the opposite direction that you thought it would?ĮDIT: For some justification: the columns of R are the basis vectors of the identity matrix under a rotation of theta degrees. This looks similar to one of your attempts, the one where you said you didn't get "the correct directions". Simply multiply v by R to get the rotated vector. Let v be your vector and R be the rotation matrix. Without even inputting a direction my object moves around in circles and wanders off the scene. Move(new Vector2(Mathf.Sin(directionAngle), Mathf.Cos(directionAngle))) īut EVEN THIS which I was certain would work but was hoping to avoid for inefficiency, is not working at all as expected. I even tried convert the unit vector to degrees, adding the camera's rotation in degrees, and then converting it back into a vector:įloat directionAngle = Mathf.Atan2(Input.GetAxis("P1MoveVertical"), Input.GetAxis("P1MoveHorizontal")) ĭirectionAngle += .y Made a difference, but still not the correct directions. Move(new Vector2((cos * tx) - (sin * ty), (cos * ty) + (sin * tx))) Gives me an error where Quaternion cannot multiply with a vector2.įloat sin = Mathf.Sin(.y) įloat cos = Mathf.Cos(.y) įloat tx = Input.GetAxis("P1MoveHorizontal") įloat ty = Input.GetAxis("P1MoveVertical") (So the joystick direction is a unit vector). Input.GetAxis returns a float from -1 to 1 representing the X position of the joystick. Quaternion.AngleAxis(.y, Vector3.forward) * new Vector2(Input.GetAxis("P1MoveHorizontal"), Input.GetAxis("P1MoveVertical")) Tried multiplying my vector like the following as suggested online: I've done a lot of googling, and couldn't really find what I needed (most similar problems I found were quite a bit more complex).Īlso I'd be calling this up to 4 times per update, so I'm hoping for a solution that isn't horrible on performance. Hopefully someone here can help me.Īs the title says, I have a 2D unit vector, and I simply need to rotate it by X degrees. I've posted this general programming question on other forums, but haven't had much luck. He’ll be talking about the variety of reviews he performs (e.g. daily, weekly, monthly, and seasonal), emphasizing how these reviews positively impact both his day-to-day life and work and the bigger picture. Using omniplan mac#Justin DiRose has been a productivity and Mac enthusiast since 2008 and is a seasoned OmniFocus user. He was featured by The Omni Group on Inside OmniFocus, sharing best practices for Managing Startup and Shutdown Routines in OmniFocus. He also writes about OmniFocus and other productivity apps on his personal blog. Justin works for Discourse, a fully distributed company that builds community software. Discourse is a highly-acclaimed and flexible platform that powers many popular forums, including The Omni Group’s Forums. Justin also runs Effective Remote Work, a community for productivity nerds and remote workers alike, and hosts Process, a podcast about digging into the journey that is being effective and intentional. Justin lives in Minnesota (USA) with his wife and three kids. If you're already a member of Learn OmniFocus, visit the event page to learn more and to register. Please note that space is limited to 100 participants. In school, I didn’t keep a todo list, or even a calendar. I would make the occasional list, but for the most part I was a “we’ll do it live” sort of person. And sometimes that served me well!Īnd other times it didn’t. At times, I would end up needing to pull an all-nighter to finish something. Or feel discouraged by the sheer number of half-completed projects I had laying about. Or only realize that today is midterm exam day because the test papers are being handed out this very moment. I did okay in school, but it was certainly more stressful than it needed to be. Ģ852 relations: A Pontenova, A Veiga, AB Gijón Jovellanos, Abamia, Abanca, Abándames, Abdeljalil Hadda, Abelardo Fernández, Abida vasconica, Abiegos, Aboazar Lovesendes, Aboño, Abres (Vegadeo), Academy of the Asturian Language, Acebo (river), Aceralia, Aces (parish), Achila II, Acorralados, Adauto Iglesias Fernández, Adolfo Camilo Díaz, Adosinda, Adralés, Adrián Carrio, Adrián Colunga, Adrián López, Advent (film), Aegean Sea tanker oil spill, Aeration, Afuega'l pitu, Aga Muhlach, Agüera (Belmonte), Agriculture in Spain, Aguardiente, Aguino, Agustín Argüelles, Air Asturias, Aitor Fernández López, Aitor Tornavaca, Al Qama, Alain Álvarez, Alava (Salas), Albandi, Alberto Botía, Alberto Coto García, Alberto Entrerríos, Alberto Fernández Fernández, Alberto Guitián, Alberto Lora, Alberto Martínez Díaz. Asturias (Asturies Asturias), officially the Principality of Asturias (Principado de Asturias Principáu d'Asturies), is an autonomous community in north-west Spain. As part of that effort, the BBC developed a guide for a standardized written form of pidgin. In August 2017, the BBC launched a Pidgin news service, aimed at audiences in West and Central Africa, as part of its World Service branch. īecause West African Pidgin English is a primarily spoken language, there is no standardized written form, and many local varieties exist. Over the last hundred years the amount of English-lexifer based creoles in West African countries currently being used as primary and secondary language has increased greatly, with speakers currently exceeding one hundred million. During the rise of African nationalism, it became a "language of resistance and anti-colonialism", and political activists still use it to criticize their post-colonial political leaders. As of 2017, about 75 million people in Nigeria, Cameroon, Ghana and Equatorial Guinea who speak the language. In 2016, there was an estimated five million individuals who use Pidgin as a primary language for everyday use in Nigeria. Looked down upon during the colonial era as a bastardization of proper English – a stigma still attached to it by some – Pidgin nonetheless remains in widespread use. Many distinct regional variants of the language emerged. West African Pidgin English remained in use in West Africa after the abolition of the slave trade by Western nations and the decolonization of Africa. What you go for catch people, you go for make war? Yes, my brother … gone for catch people or they gone for make war. Well, my friend, you got trade today you got plenty of slaves? No, we no got trade yet by and by trade come. Matthews supplied an example of West African Pidgin English: is a specimen of the conversation which generally passes. are very liable to be mistaken in the meaning of the natives from want of knowledge in their language, or in the jargon of such of them as reside upon the sea-coast and speak a little English the European affixing the same ideas to the words spoken by the African, as if they were pronounced by one of his own nation. Those who visit Africa in a cursory manner. Matthews refers to West African Pidgin English as a "jargon", and he warns Europeans coming to Africa that they will fail to understand the Africans unless they recognize that there are significant differences between English and the coastal pidgin: A British slave trader in Sierra Leone, John Matthews, mentioned pidgin English in a letter he later published in a book titled A Voyage to the River Sierra-Leone on the Coast of Africa. They called it the "Coast English" or the "Coast Jargon". The existence of this influential language during the slave trade era is attested by the many descriptions of it recorded by early European travelers and slave traders. Others call it "Guinea Coast Creole English" to emphasize its role as a creole native language spoken in and around the coastal slave castles and slave trading centers by people permanently based there. Some scholars call this language "West African Pidgin English" to emphasize its role as a lingua franca pidgin used for trading. At that point, it became a creole language. Later in the language's history, this useful trading language was adopted as a native language by new communities of Africans and mixed-race people living in coastal slave trading bases such as James Island, Bunce Island, Elmina Castle, Cape Coast Castle and Anomabu. The language quickly spread up the river systems into the West African interior because of its value as a trade language among Africans of different tribes. Later, as British merchants arrived to engage in the slave trade, they developed this language in combination with local African slave traders in order to facilitate their commercial exchanges. Portuguese merchants were the first Europeans to trade in West Africa beginning in the 15th century, and West African Pidgin English contains numerous words of Portuguese origin such as "sabi" (to know), a derivation of the Portuguese "saber". West African Pidgin English arose during the period of the transatlantic slave trade as a language of commerce between British and African slave traders. Formula for finding the inverse of a 2x2 matrix.Ģ. In case its determinant is zero the matrix is considered to be singular, thus it has no inverse.ġ. A square matrix has an inverse only if its determinant is different than zero (det(M) ≠0). Please take account of the fact that not all the square matrices have inverses, thus those having an inverse are called nonsingular or invertible, while square matrices that do not have an inverse are considered singular or noninvertible. I = identity matrix which is the matrix equivalent to 1. The inverse matrix multiplied by the original one yields the identity matrix (I). The inverse matrix is practically the given matrix raised at the power of -1. This inverse matrix calculator can help you when trying to find the inverse of a matrix that is mandatory to be square. There are two solutions () because the 4th circle can be either internally or externally tangent to the other three.How does this inverse matrix calculator work? R 4 - 2r 3 - 2r 2 - 2r + 1 = (r 2 - kr + 1)Ĭhoosing the positive root, and leaving the negative root for the anally retentive to write a song about, we have So we should expect a factor of the form r 2 - kr + 1, where k = r + (1/r), thus getting To paraphrase Snoddy, "The sum of the squares of the radii equals half the square of their sum."Īlgebraically, (1 + r + r 2 + r 3) 2 = 2(1 + r 2 + r 4 + r 6)īecause the GP is either increasing or decreasing, if r is a solution then 1/r is also a solution. Here is a painless method for solving the polynomial. On 08/23/10 at 14:03:45, TenaliRaman wrote: That is phi + sqrt(phi) right? Post by ThudanBlunder on Aug 23 rd, 2010, 3:53pm We can use that if x is a solution, then so is 1/xĮxpand (x-a)(x-1/a)(x-b)(x-1/b), the coefficients have to be equal to the ones of x 4 - 2 x 3 - 2 x 2 - 2 x + 1, so we getįor real a,b, we'd have |a'|,|b'| >= 2, so we only need to look at We can dismiss (x 2 + 1) as a source for real solutions, so then we haveĪnd then I'm stuck letting wolframalpha finishing it off. #Wolframalpha inverse plus#The Soddy circles formula plus geometric constraint givesĢ (x 6 + x 4 + x 2 + 1) = (x 3 + x 2 + x + 1) 2 But I still don't see a nice way to derive it. That is phi + sqrt(phi) right? It's beautiful! Post by TenaliRaman on Aug 23 rd, 2010, 2:03pm Wolframalpha is happy enough to solve it (giving 1/2+sqrt(5)/2+sqrt(1/2 (1+sqrt(5))) and it's inverse), but I'll think a bit more about whether there's a nice way to do it by hand. Then you only need to impose the constraints they're in geometric progression which gives you a six degree polynomial to solve. You can use the formula at () which gives the radius of 4 touching circles. If the radii of four mutually kissing circles are in geometric progression, find exact possible values for the common ratio. Post by ThudanBlunder on Aug 23 rd, 2010, 5:00am (Message started by: ThudanBlunder on Aug 23 rd, 2010, 5:00am) Wu :: forums - Print Page wu :: forums () Alex gordon game 7 series#We’ll have more thoughts on the World Series later in the week. In total they threw 5 2/3 innings of scoreless baseball. Kansas City Royals left fielder Alex Gordon was hit by the pitch during the fourth inning in game seven of the World Series on Wednesday, October 29. Kansas City Royals left fielder Alex Gordon made a long, lonely walk from third base to the dugout after he was left stranded on third as the possible tying run in the Royals’ 3-2 loss to the San. Wade Davis followed with two scoreless, and Greg Holland threw a scoreless inning for the Giants. Herrera ended up throwing 2 2/3 innings and allowing just that inherited run (charged to Guthrie). Michael Morse singled to right to bring in Sandoval. RM GPYC32JOakland, CA, USA Kansas City Royals left fielder Alex Gordon (4) enters the dugout before the game against the Oakland Athletics at. After a Brandon Belt fly out moved Sandoval to third Ned Yost replaced Guthrie with Kelvin Herrera. Sandoval and Pence singled to lead off the inning. The Giants took the lead for good in the top of the fourth. Gordon came around to score on a sacrifice fly by Omar Infante after taking third on a Mike Moustakas fly out. Billy Butler singled to lead off the inning off Tim Hudson and came around to score on an Alex Gordon double. The Royals answered right back in the bottom half. Michael Morse and Brandon Crawford both knocked sacrifice flies to bring in Sandoval and Pence and give the Giants a 2-0 lead. Royals’ starter Jeremy Guthrie plunked Sandoval to lead off the inning and Hunter Pence and Brandon Belt followed with singles to load the bases. The Giants opened the scoring in the second inning. But in just one week of Spring Training, the question has come up repeatedly from both. Bumgarner laughed at the Royals rally attempt though, as he threw six straight balls at Salvador’s eye level, leading to Perez popping out to Sandoval to end the game, the series and the season. Royals third-base coach Mike Jirschele went virtually the whole offseason without being asked about Game 7 and his decision to hold Alex Gordon at third base wih two outs in the ninth inning of the eventual 3-2 loss. After Bumgarner cruised through Eric Hosmer and Billy Butler, Alex Gordon knocked a single to center that came up in front of Gregor Blanco.īlanco whiffed on it and it rolled to the wall where Juan Lopez had problems picking it up, putting Gordon at third base. The Giants did everything they could in the bottom of the ninth to give the game away. In fact, Bumgarner only gave up just two hits through those final five innings. The story of the night was Madison Bumgarner who came in to open the fifth inning and pitched the final five innings of the game for the Giants without giving up a run. Brewers Making Colossal Mistake With Corbin Burnes’ Contract.Brewers: Yet Another Huge Promotion For Top Prospect Jackson Chourio.Brewers: 4 Players Who Must Step Up for the Crew to Make the Playoffs.Brewers: What Is The Crew’s Magic Number For Playoff Elimination?.Brewers: Why Hasn’t Hot-Hitting Prospect Sal Frelick Been Called Up Yet?. Within the next year or so, I’d certainly expect to see an increase in the number of retailers offering near-immediate collection and faster delivery times being achieved ‒ even hourly deliveries in some major cities. The results include increased customer order satisfaction rates and significantly faster collection and customer delivery times. Order management systems can facilitate this by providing real-time inventory visibility, improved stock accuracy (with in-store tools and self-healing capabilities), intelligent order routing and automation of the in-store order processes. Literal walkthrough of rapid fire Steam macros only for controller, enabling both. It can also create significant service differentiation against the pureplays by offering goods for collection within the hour and the ability to rapidly ship-from-store (using local couriers in urban locations). You can open steam and configure rapid fire rapid click macros. Marrying the two ‒ online and store-based retailing ‒ creates an endless shopping aisle and offers the best of both worlds to a much bigger audience. Stores themselves can act as mini warehouses and distribution hubs across the country. And here’s where most bricks-and-mortar retailers are missing a trick. Nonetheless, deliveries can be expedited by holding stock closer to the customer. With stock accuracy hovering around eighty percent for the average retailer and a lot of fragmented stock ‒ particularly in fashion, where sizes and styles tend to be unevenly spread all over the country ‒ speed of delivery and reliability continues to be an uphill struggle. So why can’t others deliver more quickly or offer rapid collection? The problem, for many, is that online orders are still mostly fulfilled from warehouse stock because they either don’t have visibility to store stock or lack the systems and processes to pick from store for collection or despatch. Retailers working with itim and using our order management system have been successful at cutting down on waiting times: for instance, the UK toy-shop chain, The Entertainer, was one of the first retailers to introduce a market-leading click-and-collect service, available for pick-up within just 30 minutes of ordering. Those that do have these systems can significantly speed up both store collections and home delivery times. This is because few retailers have real-time stock visibility or order management systems in place to fulfil online orders from a store location. According to a Kurt Salmon survey, standard home delivery times in the UK averaged 3.8 days and Click & Collect times averaged 2.2 days. And Screwfix are renowned for their “collect in store in as little as one minute” promise.īut most bricks-and-mortar retailers, where approximately eighty percent of sales still occur, struggle to make home deliveries and rapid collections really work for them. Argos has been able to steal a march by offering same-day delivery (on orders up to 6pm on many items) and FastTrack instant collection thanks to an established network of over 800 stores and distribution centres spread throughout the country. So what’s holding them back and why can’t retailers deliver?Īmazon raised the bar by offering same-day deliveries in some areas and has upped the ante with the potential help of drone technology in future. Same-day delivery and rapid Click & Collect for online shopping has been talked about for a long time now, but very few retailers have managed to succeed. Increasing the speed of customer order fulfilment Simon Evetts |
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