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fix qmod workshop 2 #657

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Merged
NadavClassiq merged 4 commits into from
Dec 22, 2024
Merged

fix qmod workshop 2 #657

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ba5a24f
delete outdated note (also required to match the suggested solution)
Dec 17, 2024
00296e0
delete unnecesarry note
Dec 17, 2024
54fc9f6
delete outdated hint
Dec 17, 2024
faf42a2
fix probabilities to sum up to 1
Dec 17, 2024
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18 changes: 3 additions & 15 deletions tutorials/workshops/QMOD_workshop/QMOD_Workshop_Part_2.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -324,19 +324,7 @@
" \\end{cases}\n",
"$$\n",
"\n",
"Notes:\n",
"- You cannot use `x` directly as the control variable in a `control` operator because it also occurs in the nested scope. To determine if `x` is in the lower or upper half of the domain, duplicate the most significant bit (MSB) onto a separate variable called `label`.\n",
"- In Python, assignment operators cannot be used in lambda expressions, so the computation of the function needs to be factored out to a named Python function (but not necessarily a Qmod function).\n",
"\n",
"\n",
"<details>\n",
" <summary>Hint</summary>\n",
" dup_msb(x, label)<br>\n",
" control(label, ...) # 0.5 <= x < 1.0<br>\n",
" X(label)<br>\n",
" control(label, ...) # 0.0 <= x < 0.5<br>\n",
"</details>\n",
"\n"
"Note: in Python, assignment operators cannot be used in lambda expressions, so the computation of the function needs to be factored out to a named Python function.\n"
]
},
{
Expand Down Expand Up @@ -421,7 +409,7 @@
"\n",
"The second `bind` operation concatenates the variables back to the `res` output variable.\n",
"\n",
"For this exercise, fill in the missing code parts in the above snippet and use the `control` statement to manually generate the 3-qubit probability distribution: `[1/8, 1/8, 1/8, -sqrt(3)/16, 1/8 + sqrt(3)/16, 1/8, 1/8, 1/8, 1/8]`.\n",
"For this exercise, fill in the missing code parts in the above snippet and use the `control` statement to manually generate the 3-qubit probability distribution: `[1/8, 1/8, 1/8, 1/8 - sqrt(3)/16, 1/8 + sqrt(3)/16, 1/8, 1/8, 1/8, 1/8]`.\n",
"\n",
"The following sequence of operations generates it:\n",
"1. Perform the Hadamard transform on all three qubits.\n",
Expand Down Expand Up @@ -452,7 +440,7 @@
" 1 / 8,\n",
" 1 / 8,\n",
" 1 / 8,\n",
" -sqrt(3) / 16,\n",
" 1 / 8 - sqrt(3) / 16,\n",
" 1 / 8 + sqrt(3) / 16,\n",
" 1 / 8,\n",
" 1 / 8,\n",
Expand Down
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