Fix documentation

vbraun · Nov 11, 2024 · 99e8af5 · 99e8af5
1 parent 220a0b9
commit 99e8af5
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/sage/rings/semirings/tropical_polynomial.py b/src/sage/rings/semirings/tropical_polynomial.py
@@ -473,7 +473,7 @@ def plot(self, xmin=None, xmax=None):
 
             T = TropicalSemiring(QQ, use_min=False)
             R = PolynomialRing(T, 'x')
-            p1 = p1 = R([4,2,1,3])
+            p1 = R([4,2,1,3])
             sphinx_plot(p1.plot())
 
         A different result will be obtained if the tropical semiring employs
@@ -494,7 +494,7 @@ def plot(self, xmin=None, xmax=None):
             T = TropicalSemiring(QQ, use_min=True)
             R = PolynomialRing(T, 'x')
             p1 = R([4,2,1,3])
-            sphinx_plot(plot(p1, xmin=-4, xmax=4))
+            sphinx_plot(p1.plot())
 
         TESTS:
 

diff --git a/src/sage/rings/semirings/tropical_variety.py b/src/sage/rings/semirings/tropical_variety.py
@@ -1611,7 +1611,7 @@ def plot(self):
             T = TropicalSemiring(QQ)
             R = PolynomialRing(T, ('x,y'))
             x, y = R.gen(), R.gen(1)
-            p2 = (x**6 + R(4)*x**4*y^2 + R(2)*x**3*y**3 + R(3)*x**2*y**4
+            p2 = (x**6 + R(4)*x**4*y**2 + R(2)*x**3*y**3 + R(3)*x**2*y**4
                   + x*y**5 + R(7)*x**2 + R(5)*x*y + R(3)*y**2 + R(2)*x
                   + y + R(10))
             sphinx_plot(p2.tropical_variety().plot())