update
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@@ -893,7 +893,7 @@ $$
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<span style="color: #8B008B; font-weight: bold">return</span> np.array([<span style="color: #B452CD">2</span>*x[<span style="color: #B452CD">0</span>], <span style="color: #B452CD">6</span>*x[<span style="color: #B452CD">1</span>]])
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fig = pt.figure()
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ax = fig.gca(projection=<span style="color: #CD5555">"3d"</span>)
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ax = fig.add_subplot(projection = <span style="color: #CD5555">'3d'</span>)
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xmesh, ymesh = np.mgrid[-<span style="color: #B452CD">3</span>:<span style="color: #B452CD">3</span>:<span style="color: #B452CD">50</span>j,-<span style="color: #B452CD">3</span>:<span style="color: #B452CD">3</span>:<span style="color: #B452CD">50</span>j]
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fmesh = f(np.array([xmesh, ymesh]))
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@@ -953,7 +953,7 @@ $$
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<span style="color: #8B008B; font-weight: bold">return</span> np.array([<span style="color: #B452CD">2</span>*x[<span style="color: #B452CD">0</span>], <span style="color: #B452CD">6</span>*x[<span style="color: #B452CD">1</span>]])
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fig = pt.figure()
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ax = fig.gca(projection=<span style="color: #CD5555">"3d"</span>)
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ax = fig.add_subplot(projection = <span style="color: #CD5555">'3d'</span>)
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xmesh, ymesh = np.mgrid[-<span style="color: #B452CD">3</span>:<span style="color: #B452CD">3</span>:<span style="color: #B452CD">50</span>j,-<span style="color: #B452CD">3</span>:<span style="color: #B452CD">3</span>:<span style="color: #B452CD">50</span>j]
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fmesh = f(np.array([xmesh, ymesh]))
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@@ -1030,7 +1030,7 @@ $$
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<span style="color: #008000; font-weight: bold">return</span> np<span style="color: #666666">.</span>array([<span style="color: #666666">2*</span>x[<span style="color: #666666">0</span>], <span style="color: #666666">6*</span>x[<span style="color: #666666">1</span>]])
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fig <span style="color: #666666">=</span> pt<span style="color: #666666">.</span>figure()
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ax <span style="color: #666666">=</span> fig<span style="color: #666666">.</span>gca(projection<span style="color: #666666">=</span><span style="color: #BA2121">"3d"</span>)
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ax <span style="color: #666666">=</span> fig<span style="color: #666666">.</span>add_subplot(projection <span style="color: #666666">=</span> <span style="color: #BA2121">'3d'</span>)
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xmesh, ymesh <span style="color: #666666">=</span> np<span style="color: #666666">.</span>mgrid[<span style="color: #666666">-3</span>:<span style="color: #666666">3</span>:<span style="color: #666666">50</span>j,<span style="color: #666666">-3</span>:<span style="color: #666666">3</span>:<span style="color: #666666">50</span>j]
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fmesh <span style="color: #666666">=</span> f(np<span style="color: #666666">.</span>array([xmesh, ymesh]))
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@@ -572,7 +572,7 @@ def df(x):
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return np.array([2*x[0], 6*x[1]])
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fig = pt.figure()
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ax = fig.gca(projection="3d")
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ax = fig.add_subplot(projection = '3d')
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xmesh, ymesh = np.mgrid[-3:3:50j,-3:3:50j]
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fmesh = f(np.array([xmesh, ymesh]))
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