Metals (Au and Ag) have a strong X-ray attenuation coefficient among other elements naturally present in humans. Therefore, the accretion of Au/Ag NP in tumors would significantly enhance the X-ray attenuation, resulting in high contrast between tumor and healthy tissues on tomography images23. ...
A general method to compute the nth root of real numbers is introduced. The square root is reviewed and the generalization to cubic roots is given. A general program is drawn for the case of any higher root and a few examples are worked out to show the practical way of performing such ...
Let K n be the cyclotomic field obtained by adjoining a primitive nth root of unity to the field of rational numbers. Let d... Frank Gerth - 《Canadian Mathematical Bulletin Bulletin Canadien De Mathematiques》 被引量: 6发表: 1983年 Prime divisors of the class number of the real $p^...
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We present a method, based on the Routh stability criterion, for finding the complex roots of polynomials with real coefficients. As in Gauss's 1815 proof of the Fundamental Theorem of Algebra, we reduce the problem to that of finding real roots and square roots of certain associated polynomial...
CRoots(z, n)– returns an array with the nth roots of the complex (or real) number z Finally, there are the following functions that deal with complex numbers in Excel format (i.e. text in the form “a+bi“) IMROOTS(s, n) = column array containing the n unique nth roots of the...
u. The essential point is that ~ba,r(P) is an Inf-Sup definable function (ISD in short) and that its formal description with sup and inf is the same for every other polynomial Q as long as the relative position of the real roots of all the successive derivatives of Q is the same ...
result =0exponent = fsum( [ nth, fneg( k ),-2] )foriinrange(0, int( k ) ): result += fdiv( power( roots[ i ], exponent ), polyval( nthPoly, roots[ i ] ) )returnfloor( fadd( re( result ), fdiv(1,2) ) ) 开发者ID:flawr,项目名称:rpn,代码行数:30,代码来源:rpnNumber...
We study the real roots of the Yablonskii-Vorob’ev polynomials, which are special polynomials used to represent rational solutions of the second Painlev´e equation. It has been conjectured that the number of real roots of the nth Yablonskii-Vorob’ev polynomial equals n+1 2 . We prove...
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