generated using BATWING30 using an exponential growth model, an average mutation rate of 0.0028 per locus per generation for microsatellites31,32 and a generation time of 30 years, compatible with population-based estimates for males.33 BATWING was run on samples comprising DCs to reduce computation...
The x-intercepts and the y-intercept, along with the vertex, are helpful to sketch the graph of a parabola. A quadratic function {eq}y=ax^2+bx+c {/eq} has vertex {eq}V\left(-\frac{b}{2a},-\frac{b^2-4ac}{4a}\right) {/eq}. If the function is given in intercept form, on...
用e表示的原因确实不明,但可能因为e是指数函数(exponential)一字的首字母。另一看法则称a,b,c,d有其他经常用途,而e是第一个可用字母。 就像圆周率π和虚数单位i,e是数学中最重要的常数之一。它有几种等价定义,下面列出一部分。 定义e为下列极限值: e=limₙ→∞(1+1/n)ⁿ e=limₜ→₀(1+t)...
I need to do nonlinear regression analysis. I have written a code for that and the function is in the form y=a.* log(x + b.*exp(c.*x). The variables a, b, c are unknowns. The matlab code is as follows. x = load('xval.txt'); ...
The table of ordered pairs (x,y) gives an exponential function. Compose an equation for the function. x y 1 \frac{1}{32} 0 \frac{1}{4} 1 a) Determine whether the table represents a linear function, an exponential function, or neither. b) Write an equatio...
We briefly looked at on-site Disney accommodation options, especially those around the Boardwalk but the exponential increase in costs just couldn’t be justified over the Drury Plaza despite the Yacht and Beach being one of my favourite places on the planet....
Answer to: Let X∼Exponential(λ), and Y = aX, where a is a positive real number. Show that Y∼Exponential(λa). By signing up,...
Write an exponential function in the form y=ab^x that goes through the points (0,18) and (8,4608)
The graph of an exponential function y = a * 2^x passes through the point (2, 16). What is the value of a? A. 2 B. 4 C. 6 D. 8 相关知识点: 试题来源: 解析 B。将点(2,16)代入函数可得 16 = a * 2^2,解得 a = 4。选项 A、C、D 不符合条件。
在给定的方程中,x和y的关系是非线性的。 8. The polynomial function f(x) = x^3 - 3x^2 + 2x - 1 represents a specific relationship between x and y. 多项式函数f(x) = x^3 - 3x^2 + 2x - 1表示x和y之间的特定关系。 9. The exponential function y = e^x grows rapidly as x increa...