Description:
Mathematical discussions and pursuits.
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Linear Algebra problem
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I've been stuck on this for awhile. Let x = (1,1,1,...1) and y = (1,2,3,...n). Both are in R^n. Let theta_n be the angle between x and y in R^n. Find limit as n-> inf of theta_n. Even though we are looking at infinite sets, it seems to me that I should approach this as I have other practice problems in this... more »
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Solution Manual Required
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Do you have the Solution Manual for the following book: "Linear Algebra An Introductory Approach" by Charles W. Curtis. Naveed
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JSH: Nifty little result on quadratic diophantines
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Oh hey, after I came up with the Quadratic Diophantine Theorem, I started looking over research on quadratic diophantine equations and it's kind of interesting because hey, looks like my research can help! Like it will give criteria on Pell's equation, and may even offer a route to generally solving a 2 variable diophantine quadratic as you... more »
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Quadratic Diophantine Theorem
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Quadratic Diophantine Theorem: In the ring of integers, given the quadratic expression c_1*x^2 + c_2*xy + c_3*y^2 = c_4*z^2 + c_5*zx + c_6*zy where the c's are constants, for solutions to exist it must be true that ((c_2 - 2c_1)^2 + 4c_1*(c_2 - c_1 - c_3))v^2 + (2(c_2 - 2c_1)*(c_6 - c_5) + 4c_5*(c_2 - c_1 - c_3))v + (c_6 - c_5)^2 - 4c_4*(c_2 - c_1 -... more »
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Entire functions
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There exists a family of distinct entire functions {f_a}_{a \in A}, with |A|>alef_0, but such that for each z \in C the set {f_a(x)}_{a \in A} is countable?
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solutions manual to Engineering Mechanics statics 6th by Meriam and Kraige
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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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This Week's Finds in Mathematical Physics (Week 269)
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Also available at [link] August 30, 2008 This Week's Finds in Mathematical Physics (Week 269) John Baez No fancy math today. I've been working hard with Aristide Baratin, Laurent Freidel and Derek Wise on infinite-dimensional representations of 2-groups. It's a gnarly mix of higher category theory and analysis.... more »
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