Fixed typo that would cause incorrect Latex redering

Author: MarkSong535

docs/source/whitepaper/5-density-matrix.ipynb

@@ -364,9 +364,7 @@
    "metadata": {},
    "source": [
     "In this framework though, the output of a channel acting on $\\vert{\\psi}\\rangle$ , i.e.\n",
-    "$\n",
-    "\\mathcal{E} ( \\vert{\\psi}\\rangle\\langle{\\psi}\\vert) = \\sum_i K_i \\vert{\\psi}\\rangle\\langle{\\psi}\\vert K_i^ \\dagger\n",
-    "$\n",
+    "$\\mathcal{E} ( \\vert{\\psi}\\rangle\\langle{\\psi}\\vert) = \\sum_i K_i \\vert{\\psi}\\rangle\\langle{\\psi}\\vert K_i^ \\dagger$\n",
     "is viewed as an ensemble of states $\\frac{K_i\\vert{\\psi}\\rangle}{\\sqrt{\\langle{\\psi}\\vert K_i^\\dagger K_i \\vert{\\psi}\\rangle}}$ that each occur with probability $p_i = \\langle{\\psi}\\vert K_i^\\dagger K_i \\vert{\\psi}\\rangle$.  Thus, the code above stochastically produces the output of a single qubit initialized in state $\\vert{\\psi}\\rangle=\\frac{\\vert{0}\\rangle+\\vert{1}\\rangle}{\\sqrt{2}}$ being passed through a phase damping channel with parameter $\\gamma=0.5$.  \n",
     "\n",
     "The Monte Carlo simulation of channels where the Kraus operators are all unitary matrices (up to a constant factor) can be handled with additional efficiency by using ``unitary_kraus`` instead of ``general_kraus``."
@@ -502,4 +500,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 5
-}
+}

docs/source/whitepaper/5-density-matrix_cn.ipynb

@@ -368,9 +368,7 @@
    "metadata": {},
    "source": [
     "不过，在这个框架中，作用于 $\\vert{\\psi}\\rangle$ 的通道的输出，即\n",
-    "$\n",
-    "\\mathcal{E} ( \\vert{\\psi}\\rangle\\langle{\\psi}\\vert) = \\sum_i K_i \\vert{\\psi}\\rangle\\langle{\\psi}\\vert K_i^ \\dagger\n",
-    "$\n",
+    "$\\mathcal{E} ( \\vert{\\psi}\\rangle\\langle{\\psi}\\vert) = \\sum_i K_i \\vert{\\psi}\\rangle\\langle{\\psi}\\vert K_i^ \\dagger$\n",
     "被视为状态的集合 $\\frac{K_i\\vert{\\psi}\\rangle}{\\sqrt{\\langle{\\psi}\\vert K_i^\\dagger K_i \\vert{\\psi}\\rangle}}$\n",
     "每个发生的概率为 $p_i = \\langle{\\psi}\\vert K_i^\\dagger K_i \\vert{\\psi}\\rangle$.\n",
     "因此，上面的代码随机产生在状态 $\\vert{\\psi}\\rangle=\\frac{\\vert{0}\\rangle+\\vert{1}\\rangle}{\\sqrt{2}  }$\n",
@@ -513,4 +511,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 5
-}
+}