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Forum: Mathematics and Physics

From time to time everyone is faced with these problems.

  1. Sticky Thread Sticky: ALL E-BOOKS HERE WILL BE DELETED!!! USERS WILL BE WARNED !!!

    Started by klug, 6th March 2007 17:51
    • Replies: 0
    • Views: 24,814
    klug
    6th March 2007, 17:51 Go to last post

  1. Time-invariant problem

    Started by arhzz, 16th April 2020 01:31
    • Replies: 7
    • Views: 2,787
    arhzz
    17th April 2020, 02:59 Go to last post

  2. Memory map of classical mechanics study

    Started by curious_mind, 14th April 2020 09:00
    • Replies: 6
    • Views: 742
    wwfeldman
    16th April 2020, 01:43 Go to last post

  3. How to find the real and imaginary roots for a complex polynomial?

    Started by rahul.6sept, 11th April 2020 18:53
    • Replies: 3
    • Views: 618
    wwfeldman
    12th April 2020, 22:36 Go to last post

  4. MATLAB funstion "dsolve" gives complex terms

    Started by mmr123, 31st March 2020 15:53
    1 Attachment(s)
    • Replies: 1
    • Views: 1,519
    wwfeldman
    2nd April 2020, 12:28 Go to last post

  5. Probabilistic inference vs statistical inference

    Started by curious_mind, 24th February 2020 08:44
    1 Attachment(s)
    • Replies: 1
    • Views: 853
    wwfeldman
    23rd March 2020, 13:19 Go to last post

  6. Confused about linear vs non linear DE

    Started by curious_mind, 20th February 2020 06:03
    • Replies: 14
    • Views: 3,185
    wwfeldman
    17th March 2020, 01:13 Go to last post

  7. [SOLVED] Solution of Linear Equation using MATLAB

    Started by pancho_hideboo, 28th December 2019 15:54
    • Replies: 2
    • Views: 2,621
    pancho_hideboo
    12th January 2020, 07:19 Go to last post

  8. Quine-McCluskey & Petrick's method Project

    Started by cahlucas, 17th December 2019 00:02
    • Replies: 1
    • Views: 1,120
    KlausST
    17th December 2019, 01:06 Go to last post

  9. [SOLVED] how to calculate ib of PNP

    Started by tronicman, 13th December 2019 14:40
    1 Attachment(s)
    • Replies: 4
    • Views: 1,208
    KlausST
    13th December 2019, 16:07 Go to last post

  10. [SOLVED] Why is CO2 a green house gas? [CLOSED]

    Started by ljcox, 23rd October 2019 10:46
    • Replies: 5
    • Views: 2,593
    wwfeldman
    24th November 2019, 22:24 Go to last post

  11. [SOLVED]Closed: Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics

    Started by Easy peasy, 17th November 2019 02:11
    9 Attachment(s)
    • Replies: 17
    • Views: 3,068
    FvM
    19th November 2019, 13:13 Go to last post

  12. Closed: Energy doesn't FLOW the way you THINK! (Electrodynamics)

    Started by Swend, 9th November 2019 18:09
    • Replies: 2
    • Views: 1,342
    Swend
    10th November 2019, 13:33 Go to last post

  13. Closed: Metal Semiconductor Contact

    Started by Robotduck, 20th August 2019 04:19
    • Replies: 1
    • Views: 2,014
    timof
    21st October 2019, 09:01 Go to last post

  14. Closed: Why all the applied Voltage appears across the Depletion Region ?

    Started by Robotduck, 19th October 2019 23:02
    • Replies: 6
    • Views: 1,481
    timof
    21st October 2019, 03:21 Go to last post

  15. Closed: Metal Oxide Semiconductor in strong Inversion

    Started by Robotduck, 24th August 2019 13:55
    2 Attachment(s)
    • Replies: 8
    • Views: 3,746
    timof
    17th October 2019, 22:49 Go to last post

  16. Closed: Magnetic flux conduit for flux concentration?

    Started by gbugh, 29th January 2019 15:22
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 21
    • Views: 7,236
    Precision99
    13th October 2019, 11:24 Go to last post

  17. Closed: Extracting energy from gyroscope precession

    Started by Precision99, 5th September 2019 05:30
    5 Pages •
    1 2 3 ... 5
    • Replies: 84
    • Views: 7,597
    Precision99
    2nd October 2019, 10:36 Go to last post

  18. Closed: How to get two Sweep and Repeat Generators in sync.

    Started by Tractor Beam, 1st October 2019 13:54
    1 Attachment(s)
    • Replies: 2
    • Views: 1,543
    BradtheRad
    2nd October 2019, 01:07 Go to last post

  19. Closed: Donors , Acceptors and Traps

    Started by Robotduck, 9th September 2019 00:58
    • Replies: 2
    • Views: 1,906
    dick_freebird
    9th September 2019, 19:15 Go to last post

  20. [SOLVED]Closed: Energy Band Model and Energy bond Model

    Started by Robotduck, 6th September 2019 11:16
    • Replies: 3
    • Views: 1,870
    c_mitra
    7th September 2019, 16:55 Go to last post

  21. Closed: dc motor theory question??? Maths

    Started by Harry.f123, 16th August 2019 20:47
    2 Attachment(s)
    • Replies: 4
    • Views: 2,192
    Precision99
    5th September 2019, 06:55 Go to last post

  22. [SOLVED]Closed: Is Fermi level in Metals- constant ? and how do Quasi Fermi levels in PN junctions ?

    Started by Robotduck, 23rd August 2019 16:21
    • Replies: 5
    • Views: 2,217
    c_mitra
    25th August 2019, 06:28 Go to last post

  23. Closed: Potential Energy and Kinetic Energy of an Electron in an Energy Band diagram

    Started by Robotduck, 17th August 2019 04:04
    • Replies: 8
    • Views: 3,152
    c_mitra
    24th August 2019, 00:02 Go to last post

  24. Closed: EMI Absorption and Reflection

    Started by Zak28, 23rd August 2019 11:22
    • Replies: 0
    • Views: 1,333
    Zak28
    23rd August 2019, 11:22 Go to last post

  25. Closed: Rotary capacitor physics and design

    Started by Salvador12, 14th June 2019 07:24
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 33
    • Views: 7,317
    kripacharya
    20th June 2019, 20:46 Go to last post

  26. Closed: Integration by parts

    Started by Akshaay, 11th June 2019 10:31
    1 Attachment(s)
    • Replies: 1
    • Views: 1,800
    wwfeldman
    11th June 2019, 14:16 Go to last post

  27. Closed: feel of diffrential equations for Novice

    Started by curious_mind, 4th May 2019 03:56
    • Replies: 2
    • Views: 4,136
    wwfeldman
    6th May 2019, 02:55 Go to last post

  28. Closed: Algebraic System Response Equation into Circuit Design

    Started by EE_Quipped, 2nd May 2019 14:50
    • Replies: 2
    • Views: 2,434
    BigBoss
    2nd May 2019, 21:16 Go to last post

  29. Closed: Faraday disc voltage calculation formula

    Started by Salvador12, 8th April 2019 17:18
    7 Attachment(s)
    • Replies: 18
    • Views: 13,051
    Salvador12
    2nd May 2019, 20:58 Go to last post

  30. Closed: solving differential equations help

    Started by joniengr, 1st April 2019 09:26
    • Replies: 2
    • Views: 3,135
    _Eduardo_
    1st April 2019, 17:26 Go to last post
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