§ 2.1 differentiation of complex valued functionsA function f defined on an open set G⊆ C is differentiable at z∈G if limh→0f(z+h)−f(z)h=f′(z) exists. Comments: h is a complex number f′(z) is a complex number which is independent from the direction of f(z+h) tha...
c = 2 * a d = c + b 求导数 dd/da 可以根据微分传递性转换 dd/dc * dc/da 那么 dd/...
If the genetic loci associated with a complex trait have been under natural selection, an excess of among-population differentiation will be observed in the frequencies of the trait-associated alleles compared with what is expected under a drift model28. We used Wright’s fixation index (FST) to...
The scarcity of live human brain cells for experimental access has for a long time limited our ability to study complex human neurological disorders and elucidate basic neuroscientific mechanisms. A decade ago, the development of methods to reprogramme somatic human cells into induced pluripotent stem...
— i.e., the value of the function calculated from the input — must be a real scalar, so the function takes the sum of the real part of the result before calculating the gradient. The function returns the real part of the function value and the gradient, which can be complex. ...
Pancreatic β cells differentiated from stem cells provide promise for cell replacement therapy of diabetes. Human pluripotent stem cells could be differentiated into definitive endoderm, followed by pancreatic progenitors, and then subjected to endocrin
Complex Line Integrals This example shows how to calculate complex line integrals using the'Waypoints'option of theintegralfunction. Singularity on Interior of Integration Domain This example shows how to split the integration domain to place a singularity on the boundary. ...
At the same time, it is very necessary to combine social capital for the 'production + culture and tourism' terrace complex, in order to improve the management system of terraces. The regional differences should also be considered for the decision-making on the sustainable use of terraces....
为验证自动求导功能,本文使用该接口求取代价函数(Cost Function)的一阶雅可比矩阵,求解三维视觉中经典的...
Find the derivative of the function f(x)=(lnx)sin(2x) using logarithmic differentiation. Logarithmic Differentiation:The logarithmic differentiation is used to find the derivative of a complex exponential function. In the logarithmic differentiation, we take the log ...