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Rebalance Your Portfolio Without Selling
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| Pengarang | : | Parawiyati,Ambar Woro Hastuti,Edi Subiyantoro |
| Nama Majalah/Jurnal | : | The College Mathematics Journal |
| Volume / Edisi | : | 54 (No. 4) |
| Halaman | : | 290-298 |
| Abstrak | : | How do you bring your assets as close as possible to your target allocation by only investing a fixed amount of additional funds, and not selling any assets? We look at two versions of this problem which have simple, closed form solutions revealed by basic calculus and algebra. |
A Small Fib
| Pengarang | : | |
| Nama Majalah/Jurnal | : | The College Mathematics Journal |
| Volume / Edisi | : | 54 (No. 4) |
| Halaman | : | 274-289 |
| Abstrak | : | The problem of finding a Fibonacci sequence which contains a specified number and has the smallest second element is investigated. |
Forringers Method and More Trees of Pythagorean Triples
| Pengarang | : | Howard Sporn |
| Nama Majalah/Jurnal | : | The College Mathematics Journal |
| Volume / Edisi | : | 54 (No. 4) |
| Halaman | : | 269-273 |
| Abstrak | : | A technique developed by E. Forringer for generating a tree of all primitive Pythagorean triples is extended in order to generate other such trees. These methods are equivalent to multiplying 3×3 matrices by Pythagorean triples to generate other Pythagorean triples. |
Universitas Nasional Menegaskan Sikap Dalam Perayaan 40 Tahun YMIK
| Pengarang | : | - |
| Nama Majalah/Jurnal | : | Ilmu dan Budaya |
| Volume / Edisi | : | IX-2, NOVEMBER (No. 2) |
| Halaman | : | 85-87 |
| Abstrak | : | Abstrak tidak tersedia. |
Up the Hill and Down Again
| Pengarang | : | |
| Nama Majalah/Jurnal | : | The College Mathematics Journal |
| Volume / Edisi | : | 54 (No. 4) |
| Halaman | : | 256-268 |
| Abstrak | : | Abstrak tidak tersedia. |
No Limits To Learning
| Pengarang | : | - |
| Nama Majalah/Jurnal | : | Ilmu dan Budaya |
| Volume / Edisi | : | IX-2, NOVEMBER (No. 2) |
| Halaman | : | 82-84 |
| Abstrak | : | - |
A Novel Method for Completing the Square
| Pengarang | : | Ellen Lehet & Kuo-Liang Chang |
| Nama Majalah/Jurnal | : | The College Mathematics Journal |
| Volume / Edisi | : | 54 (No. 5) |
| Halaman | : | 476-480 |
| Abstrak | : | In this paper, the authors present a new approach for teaching completing the square that does not rely on geometrical or algebraic models. Instead the authors’ novel approach relies on purely numerical reasoning. |
Threes A Crowd: An Exploration of Subprime Tribonacci Sequences
| Pengarang | : | Sara Barrows, Emily Noye, Sarah Uttormark & Matthew Wright |
| Nama Majalah/Jurnal | : | The College Mathematics Journal |
| Volume / Edisi | : | 54 (No. 5) |
| Halaman | : | 464-475 |
| Abstrak | : | A subprime Fibonacci sequence follows the Fibonacci recurrence, where the next term in a sequence is the sum of the two previous terms, except that composite sums are divided by their least prime factor. We extend the recurrence to three terms, investigating subprime tribonacci sequences. It appears that all such sequences eventually enter a repeating cycle. We compute cycles arising from more than one billion sequences, classifying them as trivial, tame, and wild. We further investigate questions of parity and primality in subprime tribonacci sequences. In particular, we show that any nonzero subprime tribonacci sequence eventually contains an odd term. |
A Linear Algebra Story: How We Reconstructed a Matrix from its Eigenvalues
| Pengarang | : | Alexander Holley & Anastasiia Minenkova |
| Nama Majalah/Jurnal | : | The College Mathematics Journal |
| Volume / Edisi | : | 54 (No. 5) |
| Halaman | : | 454-463 |
| Abstrak | : | By telling this story, we discuss how to blend research problems into the classrooms to enhance the curriculum starting already with the linear algebra course. In particular, we present an elementary approach to the reconstruction of persymmetric Jacobi matrices from their eigenvalues. This work is done in collaboration with and for undergraduate students taking linear algebra. We wrote it with a thought in mind to fill the gaps and to show the depth of results still keeping it within the boundaries of the undergraduate underclassman level. So if a student reads it and the web supplements, it will be completely understandable and by comparing to the original paper [Citation2] the student would realize how to break down the results and proofs to fully comprehend them. As for educators, we hope this would show an example of how to present an establish knowledge and modern theories by making a problem feasible for the broader undergraduate audience. We also briefly discuss the motivation of studying the problem in the prism of modern theories. Namely, we link this algorithm to the perfect quantum transfer problem. |
Kuliah Pada Universitas Nasional Sebuah Nostalgia
| Pengarang | : | - |
| Nama Majalah/Jurnal | : | Ilmu dan Budaya |
| Volume / Edisi | : | IX-1, OKTOBER (No. 1) |
| Halaman | : | 77-80 |
| Abstrak | : | - |