Lancool is a relatively new manufacturer name to the market, but they are definitely not new to cases. Spawned from the brilliant minds at Lian-Li, the Dragonlord K series chassis takes what makes Lian-Li’s chassis so sought after, and design an enclosure that fits a more modest budget. The reduced price does not sacrifice on quality however. Constructed of solid steel the PC-K62 features a 100% tool-less design that makes working with the case a “snap” and it strives to fix the frequent messy cabling issues that often plague bottom mounted power supply cases. This chassis looks great, is incredibly functional and rings in cheaper than many other similiar cases that are half as practical. Visit www.hardwarecanucks.com for more
Vectors – The Dot Product. I show how to compute the dot product of two vectors, along with some useful theorems and results involving dot products. 3 complete examples are shown. For more free math videos, visit PatrickJMT.com
Originally posted 2010-10-09 03:28:46. Republished by
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Just 1 140mm intake Fan but 3 exhaust Fans with 2x 140mm? Um ok that will definitly lead to “underpressure” in the case, means that the exhaust fans will suck more air through every rift and hole that is in the case then the intake fan will shove in. In my case I got almost the same thing. If I turn the rpm’s of the exhaust on full the air gets sucked through the the mesh near the pci brackets (wich is covered on this case?) and thats not how it should work
@HardwareCanucks and if you have a 2×140 mm radiator and want to mount it inside the case on top on the other side of where the ventilaters are? Would that fit or would that give trouble with the motherboard/cpu/whatever?
@sprig9an007 i just read that you have bought it. I am thinking of buying this case. If i buy a 140×280 radiator, could it fit on the top inside the case? Or is there not enough room because of the motherboard?
so far . . . no one that teaches dot product seems to ‘know’ or ‘care’ what it actually represents . . . proving it or not being beside the point . . . it is a scalar . . . it has to do with the projection, I think, of one of the vectors onto the other. It divided by the magnitudes of the same vectors, represents the ratio of cosine of theta . . . in disguise of some sort . . . so it is the numerator of the cosine ratio of the angle in question . . . but what is it, really? You may know.
@komal517 they would not want me, i have no phd, so could not pull in the big research dollars. universities do not actually care if you can teach or not.
@svalmazan if you mean the a dot b = a b cos theta part, it is proved in any calculus text book; basically one uses the law of cosines to arrive at the result
please be kind enough to let me know how the expression for the multiplication of the dot product of two vectors a and b was arrived at. i am sorry but i am not familiar with mathematical theorems, i am trying to help out my daughter in high school in her math subject. thank you so much.
@davoho yes, it seems under lots of circumstances and one day in the future, lots have promised me many things. i will not be holding my breath though!
@Scott97169 Thanks for the info
@diablolrm90 W-KM2AB-8 sold by Performance-Pcs
@Scott97169 know any online store with international shipping which sells it?
@diablolrm90 W-KM2AB
Look on the official Lancool website, there’s other optional windows available for the PC_k62.
@Scott97169 Which lian-li window will fit on the k62? Mind telling me the model number?
Will a ASUS Crosshair IV Formula Motherboard fit in this case?
It’s relatively new
can it fit a 5970?
@treead1 Best cases on the market, gotta roll dices to choose which.
@dharkbizkit Could always get the optional side panel with 2x 140mm and mount an additional 120mm in the front drive bays with a simple HDD/fan combo.
@Scott97169 For sure.. but is that the way how it should be?^^
@dharkbizkit There’s very inexpensive ways to seal off the unfiltered openings in the back of the case so it’s not really a problem.
Just 1 140mm intake Fan but 3 exhaust Fans with 2x 140mm? Um ok that will definitly lead to “underpressure” in the case, means that the exhaust fans will suck more air through every rift and hole that is in the case then the intake fan will shove in. In my case I got almost the same thing. If I turn the rpm’s of the exhaust on full the air gets sucked through the the mesh near the pci brackets (wich is covered on this case?) and thats not how it should work
@HardwareCanucks Do u think it is about to fit the 5870 about 11 inch? around 28cm?
can i install 2 x 120mm fans at the top?
@sprig9an007 oke, thanks for your quick reaction though…
However, could you discribe how much room there is between the motherboard and the top op the case? about 3 centimeters? or less?
@UpYoursNightmare hi.. i don’t know cause’ i don’t use watercooling system for my rig.. sorry not much of a help..
@HardwareCanucks and if you have a 2×140 mm radiator and want to mount it inside the case on top on the other side of where the ventilaters are? Would that fit or would that give trouble with the motherboard/cpu/whatever?
@sprig9an007 i just read that you have bought it. I am thinking of buying this case. If i buy a 140×280 radiator, could it fit on the top inside the case? Or is there not enough room because of the motherboard?
Such an awesome case.
Because of this video review, I go out and buy one from IT market.
Thank you H/Wcanucks.
Wish they had a full tower.
i bought one after reading your review! cool reviews.. keep it up!
Are these fans loud? It looks easy to change the top fans so I am thinking about putting silent 140′s in there
@Jellytotz27 You can remove(push out) that portion of the bezel. Notice that there is 2… 5 1/2 drive bay clips.
Wow that is an awesome case, and the cable clutter is beause its a corsair psu
patrick, i owe the degree i am pursuing to you! You make math for me! -For that I thank you…
so far . . . no one that teaches dot product seems to ‘know’ or ‘care’ what it actually represents . . . proving it or not being beside the point . . . it is a scalar . . . it has to do with the projection, I think, of one of the vectors onto the other. It divided by the magnitudes of the same vectors, represents the ratio of cosine of theta . . . in disguise of some sort . . . so it is the numerator of the cosine ratio of the angle in question . . . but what is it, really? You may know.
thank you for such clear presentations!
@ownedncut i worked on it for one year and left. that life is not for me.
@patrickJMT haha go for the PHD dude!
@komal517 they would not want me, i have no phd, so could not pull in the big research dollars. universities do not actually care if you can teach or not.
please teach at rutgers university.
Thank You SOOO much!
i was slacking with my notes, and didn’t have this the dot products and vectors
!thanks
@ProMysteryGuy maybe your mask scares him so that he is in a hurry to get out of class
Thank you, my professor goes to fast on this without explaining.
@svalmazan if you mean the a dot b = a b cos theta part, it is proved in any calculus text book; basically one uses the law of cosines to arrive at the result
please be kind enough to let me know how the expression for the multiplication of the dot product of two vectors a and b was arrived at. i am sorry but i am not familiar with mathematical theorems, i am trying to help out my daughter in high school in her math subject. thank you so much.
Awesome video I subscribed.I learned more from you from 1 video than I did an entire year with my math teacher
i am eternally grateful for your physics genius and for helping me out so much
@davoho yes, it seems under lots of circumstances and one day in the future, lots have promised me many things. i will not be holding my breath though!
If I were a millionaire I would pay you ridiculous moneys to tutor me but alas I am not. You are a great tutor.
@orangeman9 ehehehh, its the internet! i am surprised anyone likes it at all!
the 2 people who disliked this must be emo! and just failed calc!
@zasabiibasaz who would download this? a smart person who wants to learn math…… DUH! *cough* idiot *cough*
you could’ve took radical 49 to be 7 , rather than multiplying it with radical 3 to get a crazy number !!?
Thankyou patrick
Thankyou patrick
@livinglinkz just doin’ what i can
you…..are the man.
Which is the meaning of a dot product being negative or positive?