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Math Help - Question in MATLAB

  1. #16
    Newbie
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    Dec 2011
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    Re: Question in MATLAB

    Quote Originally Posted by Ackbeet View Post
    So, in paying attention to CB's posts, let me ask you these questions:

    1. Do you know why you got the errors you got?
    2. Do you know how to fix them once you see them again?
    3. Do you see why MATLAB didn't like your previous syntax?
    4. Does your graph make sense?
    1.yes ,but not every time
    2.yes , ,, ,, ,, ,,
    3.yes ^ــــ^
    4.yes
    i will thank you again because you make it easy for me
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  2. #17
    A Plied Mathematician
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    Re: Question in MATLAB

    Quote Originally Posted by nezar View Post
    1.yes ,but not every time
    2.yes , ,, ,, ,, ,,
    3.yes ^ــــ^
    4.yes
    i will thank you again because you make it easy for me
    Something I've found helpful in MATLAB: remember that MATLAB thinks in vectors. So every time you use a binary operator, like *, you need to do the following:

    1. Look at the objects on either side of the operator.
    2. Ask yourself what you think those objects are (scalar, vector, matrix, symbolic, whatever).
    3. Ask MATLAB what it thinks those objects are. If you're not sure, then go into interactive mode, and execute all lines up to the current line. Suppose the expression you're looking at is x * y, but you don't know what x is. Then simply type x and press Enter. MATLAB will spit back out at you what it thinks x is.
    4. See if the results of steps 2 and 3 are the same. If not, you may have a problem.
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  3. #18
    Grand Panjandrum
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    Re: Question in MATLAB

    Look at the first line of the other thread, what do you think linespace does?

    Try typing "help linespace" at the command prompt.

    CB
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