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Sufficient and Necessary Condition
充分必要条件：在逻辑学和数学中
常用释义
词性释义
充分必要条件：在逻辑学和数学中，用于描述一个条件既是某个结果发生的充分条件，也是该结果发生的必要条件。
例句
全部
A
sufficient
and
necessary
condition
is given that the
algebraic
immunity
of a
Boolean
function
is
not
more
than
a
fixed
value
.
借助覆盖向量刻画了代数免疫布尔函数的特征，给出布尔函数代数免疫不大于某确定值的充要条件。
Meanwhile
,
the
sufficient
and
necessary
condition
for the
orientation
of an
arbitrary
simple
polygon
is
given
.
同时，给出了任意简单多边形走向…要条件。
This
paper
offers a
sufficient
and
necessary
condition
for the
existence
of
solution
of
moment
problem
on
left
modules
.
研究主理想环上模的矩量问题，包括矩量问题的存在性和唯一性。
The
paper proposed
a
sufficient
and
necessary
condition
for
the
problem
to
admit an exact
penalty
function
approach
.
给出了这类双层规划具有恰当罚函数的充要条件，以及这类问题的解的一些性质。
Based
on
this
,
the
sufficient
and
necessary
condition
under which
a
set
of
GD-Constrai nts
is
a
minimal
cover
is
given
.
在此基础上，给出了一个GD-约束集成为最小覆盖的充要条件。
This
paper
gives
a
sufficient
and
necessary
condition
for
judging
nonsingular H-
matrix
.
文章主要工作是给出了判别此类矩阵的一个充要条件。
In addition
,
a
sufficient
and
necessary
condition
of
NBU
(
2
)
ordering
is
built
when
compared
distribution
is
exponential
.
基于被比较分布是指数的情况，还建立了判定NBU（2）序的一个充要条件。
A
sufficient
and
necessary
condition
for a
multiplicative
convex
function
to
be
a
multiplicative
concave
function
积性凸函数且是积性凹函数的充分必要条件
The
Sufficient
and
Necessary
Condition
for
the
Semidirect
Products
of
two
Semigroups
to be
Completely
Simple
Semigroups
二个半群的半直积为完全单半群的充要条件
A
Sufficient
and
Necessary
Condition
for the
Existence
and Uniqueness of the
Fixed
Point
of a
Class
of
Operator
without
Continuity
一类非连续算子不动点存在的充分必要条件
A
Sufficient
Condition
about
Convergence
Uniform
of
Function
and
a
Sufficient
and
Necessary
Condition
about
Convergence
of
Positive
Series
函数列一致收敛的一个充分条件和正项级数收敛的一个充要条件
modulus
argument
power
extraction
open
set
closed
set
neighborhood
sufficient
and
necessary
condition
form of complex
模辐角乘方开方开集闭集邻域充分必要条件
Sufficient
and
Necessary
Condition
of
Controllability
and
Reachability
of
a Class
of
Linear
Switching
Systems
一类线性切换系统能控性和能达性的充要条件
Sufficient
and
necessary
condition
of
a class
I to
uncertain
stochastic
system
's
mean
-
square
stabilization stability
一类伊藤型不确定随机系统均方稳定的充要条件
Sufficient
and
Necessary
Condition
of
Controllability
and
Observability
for
a Class
of
Composite
Systems
一类组合系统能控性和能观测性的充分必要条件
Further
Extension
of
the
Sufficient
and
Necessary
Condition
of the Effective and
Weak
Effective
Solutions
for
Multi
-
Objective
Programming
不可微条件下不带约束资格多目标规划解的充要条件的进一步推广
Sufficient
and
Necessary
Condition
for
Local
Exponential
Stability
of
Bidirectional
Continuous
-
Time
Associate
Memory
Neural
Networks
连续双向联想记忆网络局部指数稳定的充要条件
Sufficient
and
necessary
condition
for the
standard
singular
point
of
the
differential
-
algebraic
system
微分代数方程系统标准奇异点的一个充分必要条件
Sufficient
and
Necessary
Condition
for
Generalized
Inverse
Eigenvalue
Problem
of
a Class
of
Matrices
一类矩阵广义特征值反问题解存在的充要条件
The
Commonly
Sufficient
and
Necessary
Condition
of
the
Existence
of
Integrating
Factor
积分因子存在定理的一般充要条件
A
Sufficient
and
Necessary
Condition
for Metrization
of
a
de
Morgan
Algebra
of
Uniformity
德摩根一致代数可度量化的一个充要条件
The
Sufficient
and
Necessary
Condition
of
the
Quadratic
Admissible
Estimate
for
Covariance
Matrix
协方差阵二次型估计可容许的充要条件
Sufficient
and
Necessary
Condition
for
Output
Feedback
Stabilizability
of
Descriptor
Systems
广义系统静态输出反馈镇定的一个充要条件
Sufficient
and
Necessary
Condition
of
Oscillation
of
Non
-
liner
Difference
Equations
with
Continuous
Variables
连续变量非线性时滞差分方程振动的充要条件
A
Sufficient
and
Necessary
Condition
of a
Class
Ito
Uncertain
Stochastic
Stystem
's
Mean
-
Square
Stabilizing
一类不确定随机系统均方稳定的充要条件
The
Sufficient
and
Necessary
Condition
when Requesting
Limit
by Infinitesimal
Portion
Commutation
无穷小量部分代换求极限成立的充要条件
Sufficient
and
Necessary
Condition
for
up
Concave
and
Down
Concave
关于曲线上凹与下凹的充要条件
A
Sufficient
And
Necessary
Condition
for
Only
A
System
of
Distinct
Representatives
Existed
in
Sets
集族存在唯一的相异代表系的一个充要条件
Sufficient
and
Necessary
Condition
for
Split
Graphs
Completion
in
Geometric
Constraint
Solving
几何约束求解中分离图完备的充要条件
A
Sufficient
and
Necessary
Condition
for the
Weak
Convergence
of
Probability
Operator
Measure
概率算子测度弱收敛的一个充要条件