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Recent content by heo83

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    How to install HFSS v11 in WinVista ?

    Hi everyone, I got the HFSS v11 BETA but I can't install it in Win Vista Home Premium ! If anyone knows how to do that, please help me ! Or is there any later HFSS v11 which can be installed in WinVista ? Thanks.
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    HFSS v10 in WinVista - mesh error ?

    Re: HFSS mesh error in HFSS v10 in WinVista? Hi all, I found out how to fix it ! Use this fix file (1070 B) instead of the old fix file (978 B) Hope it useful.
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    HFSS v10 in WinVista - mesh error ?

    hfss mesh error Hi everyone, I am a newbie in HFSS. My first design met a problem with the mesh as the attached file shows. If you know what the reason is, please help me. I also tried others available projects, but I still met the same error when analysing. Thanks Normal link of the...
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    Can anyone solve this problem

    This is my work!
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    Can anyone solve this problem

    This is the reminder of the problem 2 8/9 - 5ab + 2b^2
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    Can anyone solve this problem

    See explanation below: a) pull down the first number (in this example we have 6) b) get the -1/2 multiply to the number we pull down earlier (6) then add to the next coefficient of the devided multi-nomial (we have 7 here) to have 4: (-1/2)*6+7=4 c) use the same pattern from now on. Get -1/2...
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    Can anyone solve this problem

    I think these two examples are enough to illustrate the idea. The next method is very quick and easy to do with two hands () but it can only be used if the degree of polynomial divisor is ONE. I want to mention to Hornor’s scheme (it sounds similarly to Hornor, please check this spelling for...
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    Can anyone solve this problem

    After having a trip on the beach (05/01 is Labour Day, you know) , I’m back and now I understand what you want to. IanP, glenjoy and tkbits gave you their explanations and I will give you mine. You can follow any that easy to understand for you. There are two ways to get the same result...
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    Can anyone solve this problem

    however, I did not understand much about the isuranja's problem. There are two fractions :? and no explanation!
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    How to edit a pdf file if it is unlock by Adobe Acrobat?

    Converting to image is the only thing, I think.
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    Help me find a exponential solution

    Re: exponential solution? Comments are wellcome!
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    How to evaluate maximum of a function with 2 variables?

    maximum of a function? At first, you have to find a math book about function with more than one variable. ANALYSES MATH BOOK. Here is just a small introduction about this topic. You know, this is a chapter in my math book. Let's take an example for you to take the overview: remember that we can...
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    How to solve this integral: 1/(a+sin (t) +cos (t)) ?

    Re: hard integral I think it is easy for you to continue my work Any comments are welcome
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    Help me solve some differential equations

    differential equations Me, too. At first, I thought this is just an ordinary diff equation, just like: y' = y + x But it's really a big problem when y' is in the denominator like this 1/y' = 1/y + 1/x This diff equation does not have the form like any that I've learnt before. Maybe it's just...
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    What is the difference between DirectX and OpenGL?

    opengl vs directx Then I only found some documents about OpenGL. Some ebooks like Programming with OpenGL,... but I can't find any book like that with DirectX. Would you please show me? thanks and best regards.

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