pheatmap(dfa2,cluster_cols = F,cluster_rows = F,scale = "none",treeheight_col = 0,treeheight_row = 0,display_numbers = T,number_format="%s",cellheight = 9,cellwidth = 20,angle_col = 45,color=colorRampPalette(c('green','white''red'))(length(bka2))) 这段代码有什么问题
时间: 2024-04-14 08:28:38 浏览: 23
在您提供的代码中,存在一个逗号的错误,逗号后面的引号没有闭合。请将代码中的 `color=colorRampPalette(c('green','white''red'))(length(bka2)))` 修改为 `color=colorRampPalette(c('green','white','red'))(length(bka2)))`,然后再次运行代码。这样就会解决语法错误。
相关问题
java 有穷自动机_python实现DFA模拟程序(附java实现代码)
以下是Python实现DFA的示例代码:
```python
class DFA:
def __init__(self, alphabet, states, start_state, accept_states, transitions):
self.alphabet = alphabet
self.states = states
self.start_state = start_state
self.accept_states = accept_states
self.transitions = transitions
def run(self, input_string):
current_state = self.start_state
for char in input_string:
if char not in self.alphabet:
return False
current_state = self.transitions[current_state][char]
return current_state in self.accept_states
# 示例用法
alphabet = {'0', '1'}
states = {'q0', 'q1', 'q2'}
start_state = 'q0'
accept_states = {'q2'}
transitions = {
'q0': {'0': 'q1', '1': 'q0'},
'q1': {'0': 'q2', '1': 'q0'},
'q2': {'0': 'q2', '1': 'q2'}
}
dfa = DFA(alphabet, states, start_state, accept_states, transitions)
print(dfa.run('1010')) # 输出 True
```
以下是Java实现DFA的示例代码:
```java
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
public class DFA {
private final Set<Character> alphabet;
private final Set<String> states;
private final String startState;
private final Set<String> acceptStates;
private final Map<String, Map<Character, String>> transitions;
public DFA(Set<Character> alphabet, Set<String> states, String startState, Set<String> acceptStates, Map<String, Map<Character, String>> transitions) {
this.alphabet = alphabet;
this.states = states;
this.startState = startState;
this.acceptStates = acceptStates;
this.transitions = transitions;
}
public boolean run(String inputString) {
String currentState = startState;
for (char c : inputString.toCharArray()) {
if (!alphabet.contains(c)) {
return false;
}
currentState = transitions.get(currentState).get(c);
}
return acceptStates.contains(currentState);
}
// 示例用法
public static void main(String[] args) {
Set<Character> alphabet = new HashSet<>();
alphabet.add('0');
alphabet.add('1');
Set<String> states = new HashSet<>();
states.add("q0");
states.add("q1");
states.add("q2");
String startState = "q0";
Set<String> acceptStates = new HashSet<>();
acceptStates.add("q2");
Map<String, Map<Character, String>> transitions = new HashMap<>();
Map<Character, String> q0Transitions = new HashMap<>();
q0Transitions.put('0', "q1");
q0Transitions.put('1', "q0");
transitions.put("q0", q0Transitions);
Map<Character, String> q1Transitions = new HashMap<>();
q1Transitions.put('0', "q2");
q1Transitions.put('1', "q0");
transitions.put("q1", q1Transitions);
Map<Character, String> q2Transitions = new HashMap<>();
q2Transitions.put('0', "q2");
q2Transitions.put('1', "q2");
transitions.put("q2", q2Transitions);
DFA dfa = new DFA(alphabet, states, startState, acceptStates, transitions);
System.out.println(dfa.run("1010")); // 输出 true
}
}
```
if(sets[i].find(end_s)!=sets[i].end()) { dfa.end_set.insert(i); }是什么意思
这段代码是一个判断语句,它的作用是检查集合 `sets[i]` 中是否包含字符串 `end_s`,如果是,则将 `i` 添加到 `dfa.end_set` 集合中。
具体来说,它使用了 `std::set` 中的 `find()` 函数来检查集合中是否包含指定元素。`find()` 函数会返回一个指向该元素的迭代器,如果元素不存在,则返回集合的 `end()` 迭代器。因此,`sets[i].find(end_s)!=sets[i].end()` 的含义是,如果集合 `sets[i]` 中包含字符串 `end_s`,则返回值不等于 `sets[i].end()`,即判断条件成立。如果条件成立,则将 `i` 添加到 `dfa.end_set` 集合中。
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