Conditions for Existence of Fourier Series (Dirichlet Conditions)

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excellent lecture. was looking for such type of easy explanations since my engineering college life. thank you

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Excellent explaination sir and its very clear to understand the subject.Thank you sir

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tai naki ?

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sir please give lectures on all the subjects of electronics and communication engineering especially vlsi design,embedded systems, and microprocessor and microcontrollers.

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Sir, your all the lectures are at its best n very easy to understand.... thank you so much for that... I'm preparing for GATE 2018...it ll be really helpful if u upload the topics which are left like Z transform, FT...as soon as possible.... eagerly waiting for next lectures..

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U wrote gate?

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[@nagasriharichinka4288]

how continuous signals can discontinuos over a range of time ,explain in case of 1st example

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Please upload videos on Sampling theorem (EE)

[@riseabovehate9476]

*Our Messiah , pls put up vidoes on frequency response of amplifiers , u know how important that is

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Excellent sir ...... You are "god" in signals and systems for dedicated learners🙏🙏

[@archanat5699]

Sir can you please make lecture on engineering statistics and linear algebra

[@ajitmishra1308]

sir please make lectures on Fourier series & Fourier transform of CT signals as soon as possible

[@afsalm1611]

Discontinuity; is given example wrong??

[@eng.rohanshukla933]

thanx a lot helped a lot for solving GATE papers

[@sreekarbasa574]

In condition -2 example -1 , it is violating first condition by having infinite maxima ( const value) over finite range of time, still why it is considered to get F.S ?

[@naveedshaik7640]

It's not

[@sayedswale8722]

Nice lecture

[@arunveersingh7141]

Sir please make videos on fourier series and fourier transform as early as possible

[@GOWTHAMACHITHARTHANEBEE]

plz give the next lectures ASAP sir!

[@janh83]

good explanation

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Thanks a lot.......

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All video are very useful in exam and easy understand.

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Thank you very much. You are a genius. 👍👍👌👌🙏🙏🔝🔝

[@MathEnth-rz3tt]

We say that the graph of a discontinuous function cannot be made with a single stroke of the pen. For the graphs under condition 2, all graphs can be made with a single stroke of the pen. There are no gaps or jumps where we need to lift the pen. Can you explain how they are discontinuous?

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well done ,please carry on

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Soon 2M family! Congrats

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Thank you 🤗

[@007Bedant]

Sir, please upload lectures on frequency response. Thank you.

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i wonder how did i miss the channel earlier... its awesome bro.. keep going

[@themoonlight1922]

@ 5:25 if I consider my fundamental time period be T/4 to T/4 + T , I will have 2 discontinuous points instead of 3 as discussed in the video. So according to me, the total discontinuous points for 1 fundamental time period is 2 . Please correct me if I am wrong. Thanx!!

[@saketmaan8310]

in the third example tan t function converges in the interval, so it will have finite area but its doesn't have fourier expansion because its not piecewise continous(it shoots to infinity at discontinuity)

[@lakshmishree4072]

sir please give lecture on how to explain our project on interview...

[@pbeee2417]

Thank you sir

[@fenixxaa6844]

sir please upload trigonometric fourier series,exp fourier series and compact trigonometric FS.

[@praveenkumar-rt5bs]

teaching with beautiful sketching. Which app Or software are used for preparing the video?

[@mangaraju8190]

what is discontinuity sir?

[@nikhilkoneru7447]

In condition number 2 u took the example of square signal, but that has maxima at infinite points o to t/2 over period t. So does that doesn't satisfy 1st condition. Could u tell

[@orangeshoes]

Thanks for the video!

[@lakshmishree4072]

explain the lecture about modelsim altera software

[@tshiamomogodi]

where can I get your lecture notes. They are not on your website

[@kirtiparashar1726]

Thank you so much sir 🌸

[@kothatharonie4236]

Sir, in this lecture you have said that for absolute integral the value should be finite so in in the second signal x2(t) on integrating over the given period we get the result equal to zero so why can"t we say it is absolute integral?

[@neorejsneuht]

The last example f=tan(x) suggests half of the period ( 0 to pi/2) integrates to a positive infinite area while the other half (from pi/2 to pi) suggests a similar negative infinite area. Why is the total still considered infinite? Negative invite plus positive infinity, how is t hat defined? In this case since it is clearly symmetric, intuition is misleading me to think the integral could be zero here. That would validate tan(x) for having FS, Which is obviously wrong.Why am I wrong, what am I missing? Thanks in advance.

[@mohammedalfaifi8165]

You are missing (Absolute). Think of it like this: You are flipping every (negative) point of the amplitude to the upper half of the graph and then you are finding the area which will be INFINITE

[@jacobsunny8784]

upload videos on z and fourier transform

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Thank you neso ...love you :) :)

[@arupbiswas8288]

Please explain why Dirichlet's conditions are necessary to be satisfied for FT? what,why,how problems would appear if we take a function for FT which is not satisfied by Dirichlet's condition?

[@pavanajsridhar939]

very nice lecture professor! I have a question: Is the any proof of Dirichlet's condition? In some books its given Dirichlet's theorem and says that if the Dirichlet's condition are true then the fourier series converges. could you elaborate on that? I am not able to understand. I really want to know how it converges.

[@zgc6202]

can you help me why 4:29 the conditions below can't be expanded to fourier series or it's just can't be expanded to finite series ,but can be expanded to infinite series please help me. I have searched the Internet a lot , but can't get a precise and clear answer . :(

[@Dhanalakshmi-bx9rm]

Sir kindly explain about discontinuity.What is meant by finite number of finite discontinuities. U said ,staircase signal having discontinuity but in that there s no gap in that right,then how can we say that as discontinuity?

[@simranpathan8406]

Same doubt I have

[@HDNAjeclasses]

Sir pls complete this series.... Please

[@anuragamuka]

why cant we use fourier series for Nonperiodic signals?

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these videos are absolutely amazing for us but one problem is many are preparing for university exams and with limited time so it would be helpful if you could tell us in the beginning abut the level of question and wether it is imp for university pov . might save our time a little bit.

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Thank you for such a good video.

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Thank you for the good lecture bro.....

[@RamSiya369_JayBajrangbliHnuman]

Sir u said periodic seignals are those which repeat itself form - infinite to infinite but u also said that periodic signals are neve ES and if we integrate PS form - infinite to infinite so we will get ans infinite I didn't understand this

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You're amazing.

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yeah thanks!

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please upload videos on VLSI DESIGN

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Sir love you

[@AbhishekSingh-up4rv]

Does'nt the integration of tant in the time period will be zero? So how cant we write fourier series expansion for the same?

[@Sandeep-cu1gy]

Sir What is the limit of finite term here, as in drichlet conditions which signal are not satisfying dirichlet they have also finite maxima or discontinuities.. it may be 100but finite

[@kartikmaheshwari8750]

Is is compulsory that maxima and Minima no are same like in 1st condition we have 1 minima and 1 maxima but if we have 1minina and 2 maxima then is it FS exponential???

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Thank you so much!

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God bless you!

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plz upload next video of Fourier series today...pls its my exam🙏🙏🙏🙏🙏🙏🙏🙏😫😫😫😫

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It's great sir

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thanks

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Sir Iam a great fan of yours...sir please do kindly make lectures on DSP...it's only because of you to we understand Signals and system better... please sir

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Sir, please finish signal system before GATE 2018..looking forward to you.

[@anuragamuka]

Does fourier series convert x(t) to frequency domain?

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Sir measurements par numerical ka video banahiye na please sir

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Institutions closed.... Academy's stopped classes.... No sufficient content in Online classes... *The Neso Academy is a sanjeevan for many electrical&electronics students*

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pls upload more video

[@chiranjeetparida263]

Can Fourier transform be used for periodic signal also?

[@yogeshshahi720]

Sir please upload next lectures on Fourier series

[@archanapabba2162]

Is is necessary for a signal to accept both 3conditions.....r else 2 conditions are enough

[@vruddhibhatia1655]

Sir plz upload lecs of Fourier transform Z trans

[@duleepfrancis5013]

What is the meaning of f(x) has bounded value

[@myonlynick]

it has a value which is not infinity. There is a value that your function will never go beyond that no matter what you do. Example : f(x)=sinx, this f(x) is bounded to + - 1 it will never go beyond that + - 1.

[@ozasudhir6211]

Sir can we find FS of x^2 in interval (0;2Π)??

[@sudheerkumar-iw2it]

Make videoes on sampling

[@jameswilson8270]

Shouldn't the Gibbs phenomenon factor in to representability?

[@satyanarayanmahto8757]

Is x(t)=1/tfollws Dirichlet 3condition

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good

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sir please make the video on Fourier transform as soon as possible

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sir why not are you completing Power System.. please continue & complete it..

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upload videos on z,,laplace and fourier transform..plzzzzzzzzzz

[@tarunasenpradhan911]

F(x) should be bounded.( Is it not a one of the Dirichlet's conditions ?)

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Sir please give a lecture on data structure in c ....link list single n double, stack n queue n etc etc ....

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Why there are no lectures on 1. SAMPLING 2. Z-TRANSFORM 3. LAPLACE TRANSFORM Please upload lectures on these topics too , completing them completely ..

[@Jahid49]

Thanks you're doing a great job for the students to make things easily realizable... but at 2:39 I'm sorry to say that's not maxima if it's considered as strict math :3 sharp edges don't make maxima or minima

[@georgeth4421]

actually it is...just because the derivative there is undefined, it doesn't mean it is no extremum...extrema aka minima and maxima, either have a derivative equal to zero or their derivative is not defined (case of sharp edges)...and it doesn't work the other way around...plus the definition of extremum is this: x0 ε the scope of the function so that f(x0) >= f(x) (in case of maximum) for x ε (xa, x0, xb) (or

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make Power Amplifier lecture videos please

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#Wow...#Superb....#ALLAH_bless_U

[@jahidhasanredoy3305]

"signal is single valued everywhere " sir i have a confusion in this statement of dirichlet conditions. please explain.

[@rohitnamballa236]

Can u tell the time where he used the statement? I wanna check it once.

[@ANKITSINGH-vb9hn]

sir z transform pr b lectures de do........