1. What is the definition of expectation value in a coherent state? The expectation value in a coherent state is the average value that a specific physical quantity, such as position or momentum, would have if the system were in a coherent state. It is calculated by taking the inner ...
Is `(expession, lvalue) = rvalue` a valid assignment in C or C++ ? Why do some compilers accept/reject it? Can you legally shield your assets by pretending to transfer them to someone else? Explanation for Lurie's SAG Remark 25.1.3.7 How do I remove the wires from this c...
涉及的主要语法点: var the_map map[string]int the_map := make(map[string]int) the_map := map[string]int {key:value, ...} value, ok := the_ma 010 python中的pop函数和append函数 pop() 函数用于移除列表中的一个元素(默认最后一个元素),并且返回该元素的值。 语法 01 C++中的string类...
Additionally, I want to have a parameter which specifies which expectation I am talking about, i.e. $\mathbb{E}_{index}$ where index an arbitrary value. I was following the instruction from this post [vertical bar for absolute value and conditional expectation. Unfortunately, the index is ...