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Math Help - Looking for basic self-study direction

  1. #1
    Junior Member
    Joined
    Jun 2010
    Posts
    44

    Looking for basic self-study direction

    Hi all,

    I'm trying to determine the best route for self-study of material relating to communications. I have a very extensive background in communications, however my understanding of the general mathematics is not sufficient to work through many texts and I am seeking to remedy that. Take, for example, the following statement:

    \[r(t) = s(t)*c(\tau ;t) + n(t) = \int_{ - x}^x {c(\tau ;t)s(t - \tau )d\tau  + n\left( t \right)} \]

    At a fundamental level I recognize the components of the above but the syntax is baffling at best for me. Many aspects of texts such as these I can explain exactly what something is and how it works, but I do not possess the proper understanding of the language of mathematics to work through new material or express existing material.

    Some other examples:

    \[{h^{\left( l \right)}}\left( t \right)\mathop \Delta \limits_ =  \int_{\tau  + kT}^{\tau  + \left( {k + 1} \right)T} {r\left( t \right){h^{\left( l \right)}}\left( {t - \tau  - kT} \right){e^{ - j{\omega _0}t}}dt} \]

    and

    \[\Lambda \left( {\left. R \right|\mathop \theta \limits^\^ ,\mathop \tau \limits^\^ } \right) = \exp \left\{ {\sum\limits_{k = 0}^{{L_0} - 1} {{\text{Re}}\left[ {{Z_k}\left( {{C_{k,}}{\alpha _k},\mathop \tau \limits^\^ } \right){e^{ - j\left( {\mathop \theta \limits^\^  + {\phi _k}} \right)}}} \right]} } \right.\]


    Do any of you have any suggestions as to where to begin on some of the more general language and form aspects of math, or could identify some of the best areas for me to study to begin to work with things such as the above? My formal background with mathematics has been to the level of calculus 3 and some basic differential equations. I've been pondering set theory and abstract algebra but I am hoping to work towards this type of content in the most efficient way possible and thought I would check with experts to see if I'm on the right path.

    If you have any suggestions it'd be much appreciated, thank you.
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  2. #2
    Newbie
    Joined
    Aug 2012
    From
    USA
    Posts
    10

    Re: Looking for basic self-study direction

    Do any of you have any suggestions as to where to begin on some of the more general language and form aspects of math, or could identify some of the best areas for me to study to begin to work with things such as the above? My formal background with mathematics has been to the level of calculus 3 and some basic differential equations. I've been pondering set theory and abstract algebra but I am hoping to work towards this type of content in the most efficient way possible and thought I would check with experts to see if I'm on the right path.

    The first thing to note is that in algebra we use letters as well as numbers. But the letters represent numbers. We imitate the rules of arithmetic with letters, because we mean that the rule will be true for any numbers.

    Here, for example, is the rule for adding fractions:

    a + b
    = a + b
    c


    The letters a and b mean Whatever numbers are in the numerators. The letter c means Whatever number is in the denominator. The rule means:

    "Whatever those numbers are, add the numerators
    and write their sum over the common denominator."


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