optimization: move import marimo as mo to top of notebook

On some browsers (firefox) the marimo playground is very slow to start/autorun.
Users then start manually running cells from top to bottom, resulting
in "mo not defined" if import marimo as mo is not at the top of the
notebook.

optimization/01_least_squares.py

@@ -13,6 +13,12 @@ __generated_with = "0.11.0"
 app = marimo.App()
 
 
+@app.cell
+def _():
+    import marimo as mo
+    return (mo,)
+
+
 @app.cell(hide_code=True)
 def _(mo):
     mo.md(
@@ -113,11 +119,5 @@ def _(mo):
     return
 
 
-@app.cell
-def _():
-    import marimo as mo
-    return (mo,)
-
-
 if __name__ == "__main__":
     app.run()

optimization/02_linear_program.py

@@ -15,6 +15,12 @@ __generated_with = "0.11.0"
 app = marimo.App()
 
 
+@app.cell
+def _():
+    import marimo as mo
+    return (mo,)
+
+
 @app.cell(hide_code=True)
 def _(mo):
     mo.md(
@@ -259,11 +265,5 @@ def _(mo, prob, x):
     return
 
 
-@app.cell
-def _():
-    import marimo as mo
-    return (mo,)
-
-
 if __name__ == "__main__":
     app.run()

optimization/04_quadratic_program.py

@@ -15,6 +15,12 @@ __generated_with = "0.11.0"
 app = marimo.App()
 
 
+@app.cell
+def _():
+    import marimo as mo
+    return (mo,)
+
+
 @app.cell(hide_code=True)
 def _(mo):
     mo.md(
@@ -255,11 +261,5 @@ def _(np):
     return (plot_contours,)
 
 
-@app.cell
-def _():
-    import marimo as mo
-    return (mo,)
-
-
 if __name__ == "__main__":
     app.run()

optimization/05_portfolio_optimization.py

@@ -16,6 +16,12 @@ __generated_with = "0.11.2"
 app = marimo.App()
 
 
+@app.cell
+def _():
+    import marimo as mo
+    return (mo,)
+
+
 @app.cell(hide_code=True)
 def _(mo):
     mo.md(r"""# Portfolio optimization""")
@@ -247,11 +253,5 @@ def _(gamma, gamma_vals, markers_on, np, plt, prob, ret, risk):
     return midx, spstats, x
 
 
-@app.cell
-def _():
-    import marimo as mo
-    return (mo,)
-
-
 if __name__ == "__main__":
     app.run()

optimization/06_convex_optimization.py

@@ -13,6 +13,12 @@ __generated_with = "0.11.2"
 app = marimo.App()
 
 
+@app.cell
+def _():
+    import marimo as mo
+    return (mo,)
+
+
 @app.cell(hide_code=True)
 def _(mo):
     mo.md(
@@ -80,11 +86,5 @@ def _(x):
     return
 
 
-@app.cell
-def _():
-    import marimo as mo
-    return (mo,)
-
-
 if __name__ == "__main__":
     app.run()

optimization/07_sdp.py

@@ -14,6 +14,12 @@ __generated_with = "0.11.2"
 app = marimo.App()
 
 
+@app.cell
+def _():
+    import marimo as mo
+    return (mo,)
+
+
 @app.cell(hide_code=True)
 def _(mo):
     mo.md(r"""# Semidefinite program""")
@@ -118,11 +124,5 @@ def _():
     return (wigglystuff,)
 
 
-@app.cell
-def _():
-    import marimo as mo
-    return (mo,)
-
-
 if __name__ == "__main__":
     app.run()