functional calculus 函项演算
first order functional calculus 一阶泛函演算
Riesz functional calculus Riesz函数演算
functional calculus of variation 泛函变分法
MathCAD combines a large library of functional capability including calculus, Laplace transforms, Bessel functions, statistics, and financial functions.
MathCAD组合了一个庞大的功能库，包括微积分、拉普拉斯变换、贝塞尔函数、统计和财务函数。
Well-bounded operators are those which possess a bounded functional calculus for the absolutely continuous functions on some compact intervals.
良有界算子是这样一类算子，它对于在某个紧区间上绝对连续的函数具有有界的函数演算。
In this chapter, we give some operator inequalities and norm inequalities by means of spectral decomposition and functional calculus.
在第二章中，作者以谱分解、函数演算等为工具，给出一些重要的算子不等式与范数不等式。
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