4444
4444
给定正规文法为G[S]: S→aB|bA A→aC|bA B→bE|dD|cB C→cB|bF|dD D→aC E→bE|ε F→bE|ε (1)构造与G[S]等价的NFA。 (2)将所得NFA确定化为DFA。 (3)将DFA最小化。 (4)将最小化后的DFA转换为等价的正规式
给定正规文法为G[S]: S→aB|bA A→aC|bA B→bE|dD|cB C→cB|bF|dD D→aC E→bE|ε F→bE|ε (1)构造与G[S]等价的NFA。 (2)将所得NFA确定化为DFA。 (3)将DFA最小化。 (4)将最小化后的DFA转换为等价的正规式
NFA确定化为DFA,所得的DFA是唯一的
NFA确定化为DFA,所得的DFA是唯一的
4444除以9的余数是多少?()
4444除以9的余数是多少?()
4444除以9的余数是多少
4444除以9的余数是多少
4444除以9的余数是()
4444除以9的余数是()
设\( {\bf{A}} \) 为三阶矩阵,\( { { \bf{A}}^*} \)是\( {\bf{A}} \)的伴随矩阵,且\( \left| {\bf{A}} \right| = 1 \),则\( \left| {2 { { \bf{A}}^{ - 1}} + 3 { { \bf{A}}^*}} \right| = \)______
设\( {\bf{A}} \) 为三阶矩阵,\( { { \bf{A}}^*} \)是\( {\bf{A}} \)的伴随矩阵,且\( \left| {\bf{A}} \right| = 1 \),则\( \left| {2 { { \bf{A}}^{ - 1}} + 3 { { \bf{A}}^*}} \right| = \)______
import json a = {'a':'1111','b':'2222','c':'3333','d':'4444'} jsObj = json.dumps(a) print(jsObj) print(type(a)) print(type(jsObj))运行结果是: A: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"} <class 'dict'> <class 'dict'> B: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"} <class 'str'> <class 'str'> C: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"} <class 'dict'> <class 'str'> D: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"}<class 'str'><class 'dict'>
import json a = {'a':'1111','b':'2222','c':'3333','d':'4444'} jsObj = json.dumps(a) print(jsObj) print(type(a)) print(type(jsObj))运行结果是: A: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"} <class 'dict'> <class 'dict'> B: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"} <class 'str'> <class 'str'> C: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"} <class 'dict'> <class 'str'> D: {"a": "1111", "b": "2222", "c": "3333", "d": "4444"}<class 'str'><class 'dict'>
${\bf P}(X=4)=\,$ ${\bf P}(X=3)=\,$ ${\bf P}(X=2)=\,$ ${\bf P}(X=1)=\,$______
${\bf P}(X=4)=\,$ ${\bf P}(X=3)=\,$ ${\bf P}(X=2)=\,$ ${\bf P}(X=1)=\,$______
${\rm var}(X)=\,$ ${\bf E}[X]=\,$ ${\bf P}(X=3)=\,$ ${\bf P}(X=-2)=\,$ ${\bf P}(X=1)=\,$ ${\bf P}(X=0)=\,$______
${\rm var}(X)=\,$ ${\bf E}[X]=\,$ ${\bf P}(X=3)=\,$ ${\bf P}(X=-2)=\,$ ${\bf P}(X=1)=\,$ ${\bf P}(X=0)=\,$______