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Clean warnings in examples #6239

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Merged
merged 7 commits into from
Apr 1, 2016
Merged

Clean warnings in examples #6239

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88d90f2
Make sure cov matrix is positive-semidefinite
jenshnielsen Mar 29, 2016
bae3a10
Image slice example: make sure ind is an integer
jenshnielsen Mar 29, 2016
d0f5abf
Centered ticklabels: make sure index is an int
jenshnielsen Mar 29, 2016
aaa3216
Stock_demo data_helper ensure indices are ints before using numpy
jenshnielsen Mar 29, 2016
4b6112e
Quiver_demo cast indices to int before indexing numpy array
jenshnielsen Mar 29, 2016
58a27bf
Dont forward trim argument to ticker where it has no effect
jenshnielsen Mar 29, 2016
d82de88
Use floordiv as sugested by QuLogic
jenshnielsen Mar 30, 2016
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Use floordiv as sugested by QuLogic
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@jenshnielsen
jenshnielsen committed Mar 30, 2016
commit d82de883d4c91ca8ff23bfdfe24744593e3c50bb
2 changes: 1 addition & 1 deletion 2 examples/pylab_examples/centered_ticklabels.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,6 @@
tick.tick2line.set_markersize(0)
tick.label1.set_horizontalalignment('center')

imid = int(len(r)/2)
imid = len(r)//2
ax.set_xlabel(str(r.date[imid].year))
plt.show()
4 changes: 2 additions & 2 deletions 4 examples/pylab_examples/data_helper.py
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Expand Up @@ -17,10 +17,10 @@ def get_two_stock_data():
file2 = cbook.get_sample_data('AAPL.dat.gz')
M1 = fromstring(file1.read(), '<d')

M1 = resize(M1, (int(M1.shape[0]/2), 2))
M1 = resize(M1, (M1.shape[0]//2, 2))

M2 = fromstring(file2.read(), '<d')
M2 = resize(M2, (int(M2.shape[0]/2), 2))
M2 = resize(M2, (M2.shape[0]//2, 2))

d1, p1 = M1[:, 0], M1[:, 1]
d2, p2 = M2[:, 0], M2[:, 1]
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6 changes: 3 additions & 3 deletions 6 examples/pylab_examples/image_slices_viewer.py
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Expand Up @@ -10,17 +10,17 @@ def __init__(self, ax, X):

self.X = X
rows, cols, self.slices = X.shape
self.ind = int(self.slices/2)
self.ind = self.slices//2

self.im = ax.imshow(self.X[:, :, self.ind])
self.update()

def onscroll(self, event):
print("%s %s" % (event.button, event.step))
if event.button == 'up':
self.ind = int(numpy.clip(self.ind + 1, 0, self.slices - 1))
self.ind = numpy.clip(self.ind + 1, 0, self.slices - 1)
else:
self.ind = int(numpy.clip(self.ind - 1, 0, self.slices - 1))
self.ind = numpy.clip(self.ind - 1, 0, self.slices - 1)
self.update()

def update(self):
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8 changes: 4 additions & 4 deletions 8 examples/pylab_examples/quiver_demo.py
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Expand Up @@ -75,10 +75,10 @@
# 6
plt.figure()
M = np.zeros(U.shape, dtype='bool')
XMaskStart = int(U.shape[0]/3)
YMaskStart = int(U.shape[1]/3)
XMaskStop = int(2*U.shape[0]/3)
YMaskStop = int(2*U.shape[1]/3)
XMaskStart = U.shape[0]//3
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This name is a bit un-Pythonic, but otherwise the PR is fine.

YMaskStart = U.shape[1]//3
XMaskStop = 2*U.shape[0]//3
YMaskStop = 2*U.shape[1]//3

M[XMaskStart:XMaskStop,
YMaskStart:YMaskStop] = True
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