Alpha Beta Pruning in Hindi with Example | Artificial Intelligence
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- Опубліковано 9 лют 2025
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Who else is watching one day before the exams? Great video sir!
sirf theory kam ka h exam me aisa question nhi dega ki .what is this or that .
Meh 😀!
3 hours before 🌚
1 hour mai exam hai bhai :p
I am watching on day of exam
You were my invigilator in my operating system lab and I was like I saw somewhere but decide nhi kr pa rha tha kha dekha and I lost a chance to say thank you
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one thing more that 12 at the terminal node should be pruned also...
Extremely important pls pin
@@jerryjohnthomas1760 13:04
Sir watching your comments be like
"Beta a sahi to next semester m interest wps lta m tra"
Bro what is the value of alpha and beta cut off?
Alpha will be 3 so 11 will also pruned
I am B tech student who has never been to college offline due to pandemic, but my exams are always offline.
You are the teacher who has taught me everything in Cs. Very grateful sir!
Chitte bana noob
Yes
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Yes you are right...
He makes the concept more confusing
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Respect from Pakistan🇵🇰
Just for info In right subtree 12 node is also pruned. Thank you, sir, for example! Completely understood :)
Yes, you're right.
how is 12 pruned?
@@ankitpradhan4183 because max will take 2 or more than that...so why to go to 12 terminal.
@@gauravbhosle281 how is the whole right subtree pruned? Becuase atleast the nodes are explored in right subtree too
if we Travers in right side but than also it is of no use.
because ultimately upper level has alpha of max that will only take maximum value.
so if we get more less value for beta than also it is less than the beta of left subtree ( of 1 st level)
And upper level will going to take max value for alpha....
So there is no use of traversing in right direction........
FOR MORE CLEAR UNDERSTANDING :
first of all you have to be cleared about
1) when we are fixing the value of node and 2) when we are assigning the value of alpha and beta.....
So we assign value of alpha or beta when we have best value at that time for alpha and beta...
And we only assign value in node when we are clear that we will not going to get more better value of alpha or beta ever.....
So.....
Left subtree of whole right subtree has value of alpha as 2 and we are conformed about not getting better value of alpha from right side of alpha( i.e from 1,12 side ) so as we are conformed that alpha( of 2nd level ) is the best value so
we fill fix the value of node and assign same value( i.e 2 ) to upper level of beta ( i.e 1st level )
Note that we are assigning the value to beta not in the node of beta( 1st level )....
As per now,
We have two value ( on 1st level )
One is "3" that is assign to NODE of whole left subtree and Second value is "2" which is assign to Beta( not in node ).
We will assign that beta value when we are conformed that we will not going to get more better value of beta..
So here your questions comes( why we are not traversing to right tree of beta of 1 st level ).
Answer:
At this moment we have best value of beta as "2".( on 1st level )
This will only get change if we have more better value of beta ( i.e more less value of beta than current value of beta ) if we get more value of beta that is not of use.
because beta has min either it will take 2 or less than 2.
So there is only one possibility of changing the value of beta if we get more less value of beta than current.
Lets suppose we will get less value if we Travers in right side but than also it is of no use because ultimately upper level max if take maximum value.
so if we get more less value for beta than also it is less than the beta of left subtree ( of 1 st level)
And upper level will going to take max value for alpha....
So there is no use of traversing in right direction........
HINDI : hope u got that....fer bhi ni aaya to jab me professor banunga tab or better samja dunga 😂😂😂😂(joke)
Very helpful😊. Knowing something is one part and explaining something is another. Most people can only do the first part but you're one of a kind😇
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thank you
Sir, Today I had my semester exam offline on artificial intelligence. I was really so scared yesterday bcoz I really had no idea at all (Even syllabus was not covered due to covid).... I have watched all ur Vedios yesterday and thankfully my exam went well😊. Thank you so much sir... Really no words to thank you 🙌🙌
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noobde
Bhai marks kitne mile?
Sir U R Super Duper explain any complicated Theory easily.
I have searched a lot but found out your explanation video is better ! Understood sir ! Thanks ! Another example would be appreciated on this alpha-beta pruning topic. :)
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I think terminal 12 would also be pruned at 12:13. By the way Well explained.
Yes also 11 should be proned
Yes!
Yes 12 will be pruned according to the concept
@@Patitapaban_sahoo 11 is being compared if it's lesser than 2 or not so it's not pruned , whereas after getting 1 as minimum which doesn't match the condition of more than 2 at alpha the 12 is pruned
No 11 will not prune .. only 12 should prune. Rest is ok
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We can improve this example more to some extent by adding deep cutoff in the Example as after root node has alpha value of 3 , that means it will have value of 3 or greater.
After that we go to node with value 2. As soon as beta is set to 2 , it mean it's value will be 2 or less and at root we have alpha of 3 or more. Therefore there will be a Cutoff there. Similarly with node where Beta = 1.
correct
i was also thinking the same
Same
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Yes of course
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Your explanation is so much in detail and easy to understand. Great Work!
Trust me this is not as easy as he explained. Very well explained. Thanks
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All the best
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Thankyou Sir
saw video two times and got everything clear
Grt job..but plz upload one or two more solved example..will be thankful 😌
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One suggestion from me for you is some time you repeat things multiple times if you stop this, the video will be short and their will be no repetition .(like in the end of this lecture ).
Thankyou for your help and was really helpful .
Thanks you for your appreciation and suggestion..
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1 hour
2 hour
Tomorrow is my exam
1.5 hours😅
Sorry 1/2 hr 1ki exam
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I'm watching 20mins before exam.
I am watching while giving exam
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Node 11 and 12 also pruned if we use the same logic...
Yes becoz when three is compared with two then alpha is greater than beta
your explaining method is just waoo..
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Who is watching before 1 hour
The remaining time is 1 and half hour but I need to revise the whole syllabus
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Who is watching at the time of exam☠️
ME
Me
Today in 1hour 45 minutes we have exams of AI in NSUT Delhi😅😅
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Sir in the last example the Node 12 should also get pruned right?
You did not mention it!!
If there is such a teacher in every college then there will be no problem ..u r great sir ❤
Complications there, third level beta you circled is just you pruned because of having larger value, but same on the right side you are saying that we are considering higher value for alpha. Why?
Because in one level up beta is 3 already. Even though we explore the right side for large values, it will be discarded at the beta level. As min will choose the value 3 or less.
sir apke vedio ko dekhker thank you bolne ka man kerta h werna hum jaldi like bhi nhi kerte h thank you sir
Hi, I have a question. Shouldn't the min value be 1, instead of 2 when you used the value from terminal nodes? Am I wrong?
The upper alpha wants the maximum value from two beta. So 2 or 1 doesn't matter because it will be less than 3
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@@ritikkaushik3493 ha be..udhsr galat kar diya sir ne...lekin uske.baad common sense Laga kar wait karke aage ke case dekho..ki aise hi hai..ya fir min lena hai.. waise itna bhi karne ki jaruruat nahi hai..agar common sense hai to
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SUPER SIR YOU MAKED OUR LEARNING OUR LEARNING SIMPLER
In the example, according to me, 12 should be pruned. Please clear my doubt.
yes it should be pruned
yes it should be.
Nice Explanation
Sir
💖
Who is watching one hour before the exam
U
Good Sir🤩
12 is also pruning. we don't visit that node.
no!! look closely.
@@ShivamKumar-rp8kr 12 will be pruned because at that point the value of alpha is greater than beta because alpha equals to 2 and beta is equals to 1 dard bhari will prune the node 12
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AI exam is on 21st May
Yes dear❤😊
Really helpful... Loved it.. Thank you😊
Although your explanation is very intuitive and easy to follow, this is not fully correct. The terminal nodes 11 and 12 should not be explored and pruned as the beta value from parent of these nodes are 2 and 1 respectively whereas the alpha value is 3. So, after these two prunings, the left child of right child of root still has alpha=3, which propagates as the beta value to its parent, i.e. the right child of root. So, right child of root has now both alpha=3 (as it had from its parent, i.e. from root) and beta=3 (as it had from its left subtree). Since the pruning condition (alpha >= beta) now holds, we prune the right subtree of the right child of root.
absolutely right
@@BaljeetSingh-zs7zz Was looking for this comment. Thanks for confirming
@Sourasis Das I do not think you are saying right because what if both siblings of 11 and 12 terminal nodes contain 13 value and 11 and 12 both node contains 1 and 2 value then how would you be able to know correct beta value if u pruned 11 and 12 terminal node.
If we do like u r saying then there are chances it will get the wrong path.
If u draw like this u will surely be able to understand it.
Same ans
Finally! After watching this video I understood.. Tysm sir
play at 1.25x feels like diljit explaining
Whenever we see some complex topic in our syllabus, we go like "shit! This would be tough." But in the back of our mind it always goes on ki aagar Varun Sir ne video banaya hoga toh pakka samajh aa hi jyegaa, and we search for it on UA-cam. And when we see your videos on the very top of the response, it makes us super happy ki ab toh samajh aana hi hogaaa!
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Who else is watching in 2025? Lol
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my exam is tomorrow
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