Recent content by ahmad

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    Complex numbers. Imaginary part

    Yes that is absolutely correct. You get the imaginary part of the reciprocal of z1, not z1
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    Graduate Help Me Choose the Best Applied Mathematics Research Topic!

    The math prof. is requesting a research on an applied mathematics topic, he suggested some topics like: 1- Delayed Diffrential Equations and Their Apps 2- Population 3- Fingerprint Recognition 4- DNA 5- Cryptography I like cryptography but I'm still confused about which topic to...
    • ahmad
    • Thread
    • Applied Applied mathematics Mathematics Research Topic
    • Replies: 1
    • Forum: General Math
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    High School Second Derivatives: Simple Explanation & Graph Representation

    Another common example about second derivatives is the acceleration. if x is the position v=dx/dt is the velocity a=d2x/dt2 is the acceleration Now we know that the acceleration is the rate of change of velocity, if velocity is increasing, "a" is +ve, if it's decreasing (e.g. car breaking)...
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    Choosing an Electrical Engineering Major - Too Many Questions

    Hi all, First of all; I wasn't getting on PF for a quite long time because of the mid-terms and others, when I returned I found out that my old account was deleted! Second of all; In a single week I have to choose a major in electrical engineering and I need your thoughts cause I'm quite...