نتایج جستجو برای: positive real function

تعداد نتایج: 2248853  

Journal: :TEMA - Tendências em Matemática Aplicada e Computacional 2019

Journal: :MCSS 2007
Mikael Kurula Olof J. Staffans

We extend the classes of standard discreteand continuous-time input/state/ output matrix systems by adding reverse internal and/or external channels. The reverse internal channel permits the impulse response to contain a differentiating part, and the reverse external channel allows us to include inputs which are forced to be zero and outputs which are undetermined. The purpose of this extension...

Journal: :Experimental Mathematics 2004
Jonathan M. Borwein Richard E. Crandall Greg Fee

enjoying attractive algebraic properties, such as a striking arithmetic-geometric mean (AGM) relation and elegant connections with elliptic-function theory. But the fraction also presents an intriguing computational challenge. Herein we show how to rapidly evaluate R for any triple of positive reals a, b, η. Even in the problematic scenario when a ≈ b certain transformations allow rapid evaluat...

2007
Ralf Hofmann

For the confining phase of SU(2) Yang-Mills thermodynamics we show that the asymptotic series representing the pressure is Borel summable for negative (unphysical) values of a suitably defined coupling constant. The inverse Borel transform is meromorphic except for a branch cut along the positive-real axis. The physical pressure is precisely nil at vanishing and acquires a small imaginary admix...

1999
S. Chatterjee H. D. Yang J.-Y. Lin

We have investigated the contributions of CuO planes and CuO chains on the transport properties of YBa Cu O by 2 2 4 8 Ž . Ž . measuring the electrical resistivity and thermoelectric power S of Y Pr Ba Cu Zn O , Y Ca Ba Cu O and 1yx x 2 1yy y 4 8 1yx x 2 4 8 Ž . YBa Cu Ga O . Pr reduces the mobile carrier concentration in the CuO planes in YBa Cu O , as a consequence, the 2 1yx x 4 8 2 2 4 8 Ž ...

Journal: :تحقیقات اقتصادی 0
فاطمه اسمعیلی کارشناس بانک کشاورزی سیدکاظم صدر استاد دانشکده‎ی علوم اقتصادی و سیاسی، دانشگاه شهید بهشتی، تهران محمد نوفرستی دانشیار دانشکده‎ی علوم اقتصادی و سیاسی، دانشگاه شهید بهشتی، تهران

the objective of this study is to derive a money demand function compatible with the islamic economic rules, i.e., prohibition of reba. this rule, evidently eliminates the loan market from the economy.therefore, we propose that the islamic financial markets could link the real and nominal sectors of the economy and provide the information needed by both the financial intermediaries and the cent...

Journal: :Transactions of the Society of Instrument and Control Engineers 1989

Journal: :Indiana University Mathematics Journal 1960

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