1
-1
-1
True
True
Error in lines 3-3
Traceback (most recent call last):
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 905, in execute
exec compile(block+'\n', '', 'single') in namespace, locals
File "<string>", line 1
x = +/- y
^
SyntaxError: invalid syntax
(2*y - 1)*(y + 1)
1.29903810567666
[sin(t) == -1/2*sqrt(4*cos(t)^2 + 1) - 1/2, sin(t) == 1/2*sqrt(4*cos(t)^2 + 1) - 1/2]
-1/2*I*sqrt(pi)*erf(I) - 1/2*e + 1/2
-(x - 1)*e^(x^2)
-1/2*I*sqrt(pi)*erf(I)
1/2*e - 1/2
64/15
Error in lines 1-1
Traceback (most recent call last):
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 905, in execute
exec compile(block+'\n', '', 'single') in namespace, locals
File "", line 1, in <module>
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/sage/misc/functional.py", line 663, in integral
return x.integral(*args, **kwds)
File "sage/symbolic/expression.pyx", line 11269, in sage.symbolic.expression.Expression.integral (/projects/sage/sage-6.9/src/build/cythonized/sage/symbolic/expression.cpp:59975)
return integral(self, *args, **kwds)
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/sage/symbolic/integration/integral.py", line 761, in integrate
return definite_integral(expression, v, a, b, hold=hold)
File "sage/symbolic/function.pyx", line 994, in sage.symbolic.function.BuiltinFunction.__call__ (/projects/sage/sage-6.9/src/build/cythonized/sage/symbolic/function.cpp:11377)
res = super(BuiltinFunction, self).__call__(
File "sage/symbolic/function.pyx", line 502, in sage.symbolic.function.Function.__call__ (/projects/sage/sage-6.9/src/build/cythonized/sage/symbolic/function.cpp:7144)
res = g_function_evalv(self._serial, vec, hold)
File "sage/symbolic/function.pyx", line 1065, in sage.symbolic.function.BuiltinFunction._evalf_or_eval_ (/projects/sage/sage-6.9/src/build/cythonized/sage/symbolic/function.cpp:12106)
return self._eval0_(*args)
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/sage/symbolic/integration/integral.py", line 176, in _eval_
return integrator(*args)
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/sage/symbolic/integration/external.py", line 23, in maxima_integrator
result = maxima.sr_integral(expression, v, a, b)
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/sage/interfaces/maxima_lib.py", line 784, in sr_integral
self._missing_assumption(s)
File "/projects/sage/sage-6.9/local/lib/python2.7/site-packages/sage/interfaces/maxima_lib.py", line 993, in _missing_assumption
raise ValueError(outstr)
ValueError: Computation failed since Maxima requested additional constraints; using the 'assume' command before evaluation *may* help (example of legal syntax is 'assume(sin(x)>0)', see `assume?` for more details)
Is sin(x) positive, negative or zero?
Quaternion Algebra (-1, -1) with base ring Fraction Field of Univariate Polynomial Ring in x over Rational Field
-1
k
-1