Description:
Mathematical discussions and pursuits.
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total vs partial derivative
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Hi, I have unfortunately forgotten my basic calculus.... I have a problem regarding partial vs. total derivatives. I have a function f(x,y) = ax - by. Also, x and y are not independent: x = c - (y-1)^2. My goal is to find the ratio of sensitivities of f with respect to x and y. In other words, if I want f to remain constant, and I know x is... more »
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Maplesoft Maple
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Hi guys. I hope I'm posting a question related to what this forum covers. I'm a computer scientist and hobbyist mathematician. I recently purchased Maple 11 for Linux and I installed it. I don't use Windows Operating System therefore I can't tell. Ok, the question is... Is Maple 11 written in Java? I see that the installer installs... more »
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Whittaker & Watson: 4th ed. worth extra cost over 2nd?
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E. T. Whittaker & G. N. Watson, /A Course of Modern Analysis/: the 4th edition (1927) retails in the UK for 49 pounds (and it doesn't seem to be much cheaper anywhere), but the 2nd edition (1915) has recently been republished by Rough Draft Printing at a recommended retail price of 25 pounds (and can be bought for... more »
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France and Germany
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Dear Newsgroup: So far you have seen my colonial expansions for many countries as well as France. As mentioned before the nature of colonies will be completely for the best interests of the mother country as well as their colonies (not like slavery in WWII Germany). Thus it is expected that the mother countries provide health,... more »
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Optimization of multiple depentent objectives?
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Hello, I am wondering if it makes sense to optimize two depentent objectives using a multi-objective algorithm. The objectives are related to each other as follows: A = B * C where A and B are the two objectives to be maximized. C is not constant. The variables A, B, and C are real variables bounded to the range 0 to 1.... more »
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Range of a two-variable polynomial
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I recently learned from the book "Mathematical Omnibus" by Fuchs and Tabachnikov that problem A1 on the 1969 Putnam turned out to be much harder than intended because the people setting the exam had an incorrect "solution" in mind. Only 1% of the test takers scored 8/10 or higher. The crux of the matter was this: Let f be a polynomial function from... more »
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Mr. Berlusconi and album of love songs
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Dear Newsgroup: In BBC News Aug.26, 2008, we have: [link] Berlusconi plans new love album It is written further that: “Italian Prime Minister and former cruise ship crooner Silvio Berlusconi is reportedly working on a new album of love songs” It is nice to see that Mr. Berlusconi is enjoying love songs.... more »
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SOLOUTION?, CONVERGE?
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LET: f_0(x)=0 f_(n+1)(x) = sqrt[ f_n'(x)-B(x) ] LET: f_n --------> f when n ---------> 00 THEN f is a soloution to f'(x) = f(x)^2 + B(x) CORRECT? FOR WHICH B(x) DOES f_n CONVERGE?
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A lot of Solution Manuals in Electronic (PDF)Format!
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A lot of Solution Manuals in Electronic (PDF)Format! A lot of Solutions Manuals in Electronic (PDF)Format! Just contact with sendsolutions (at) hotmail.com (my email address), these are parts of our solutions, if the solution you want isn’t on the list, don’t give up,please email to me. NOTICE: if the solutions manual that in my list ,please note it in... more »
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