[z == 1/2*a - 1/2*sqrt(a^2 - 14*a - 51) + 1/2, z == 1/2*a + 1/2*sqrt(a^2 - 14*a - 51) + 1/2]
/cocalc/lib/python2.7/site-packages/smc_sagews/sage_server.py:1013: DeprecationWarning: Substitution using function-call syntax and unnamed arguments is deprecated and will be removed from a future release of Sage; you can use named arguments instead, like EXPR(x=..., y=...)
See http://trac.sagemath.org/5930 for details.
exec compile(block+'\n', '', 'single') in namespace, locals
1/21*(sqrt(21)*(17*x(0) - 2*y(0))*sinh(1/6*sqrt(21)*(4*t^3 + 3*t)) + 21*cosh(1/6*sqrt(21)*(4*t^3 + 3*t))*x(0))*e^(38/3*t^3 + 19/2*t)
1/21*(sqrt(21)*(134*x(0) - 17*y(0))*sinh(1/6*sqrt(21)*(4*t^3 + 3*t)) + 21*cosh(1/6*sqrt(21)*(4*t^3 + 3*t))*y(0))*e^(38/3*t^3 + 19/2*t)
-1/11*(sqrt(11)*(3*x(0) + y(0))*sinh(1/3*sqrt(11)*(4*t^3 + 3*t)) - 11*cosh(1/3*sqrt(11)*(4*t^3 + 3*t))*x(0))*e^(-8/3*t^3 - 2*t)
-1/11*(sqrt(11)*(2*x(0) - 3*y(0))*sinh(1/3*sqrt(11)*(4*t^3 + 3*t)) - 11*cosh(1/3*sqrt(11)*(4*t^3 + 3*t))*y(0))*e^(-8/3*t^3 - 2*t)
(cos(1/6*(4*t^3 + 3*t)*sqrt(-a^2 + 14*a + 51))*x(0) + ((a + 1)*x(0) - 2*x(0) - 2*y(0))*sin(1/6*(4*t^3 + 3*t)*sqrt(-a^2 + 14*a + 51))/sqrt(-a^2 + 14*a + 51))*e^(1/6*(4*t^3 + 3*t)*(a + 1))
(cos(1/6*(4*t^3 + 3*t)*sqrt(-a^2 + 14*a + 51))*y(0) + (2*a*(3*x(0) - y(0)) + (a + 1)*y(0) + 26*x(0))*sin(1/6*(4*t^3 + 3*t)*sqrt(-a^2 + 14*a + 51))/sqrt(-a^2 + 14*a + 51))*e^(1/6*(4*t^3 + 3*t)*(a + 1))
8/3*(4*t^3 + 3*t)*e^(12*t^3 + 9*t)*x(0) - 1/3*(4*t^3 + 3*t)*e^(12*t^3 + 9*t)*y(0) + e^(12*t^3 + 9*t)*x(0)
64/3*(4*t^3 + 3*t)*e^(12*t^3 + 9*t)*x(0) - 8/3*(4*t^3 + 3*t)*e^(12*t^3 + 9*t)*y(0) + e^(12*t^3 + 9*t)*y(0)
Error in lines 3-3
Traceback (most recent call last):
File "/cocalc/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 1234, in execute
flags=compile_flags), namespace, locals)
File "", line 1, in <module>
File "sage/calculus/var.pyx", line 133, in sage.calculus.var.function (build/cythonized/sage/calculus/var.c:1608)
def function(s, **kwds):
TypeError: function() takes exactly 1 positional argument (2 given)
[-1 -1]
[10 1]
t
[, ]
-2000*e^(-6/25) + 2000
426.744277866893
-2000*e^(-6/25) + 1000*e^(-12/25) + 1000
45.5276696730339
t
[, ]
468758959/1098454*e^(-1/250*t)
468758959/1098454*e^(-1/250*t) - 773741201265559/2029662886230*e^(-1/125*t)
[t == 250*log(468758959/1098454)]
[e^(1/125*t) == -773741201265559/1847745*e^(1/250*t)/(1098454*e^(1/250*t) - 468758959)]
-3/1547482402531118*sqrt(82658769969849193301102896305) + 866147022697455/1547482402531118
[t == 250*log(-1547482402531118/3/(sqrt(82658769969849193301102896305) - 288715674232485))]
1513.52125636390
3/1547482402531118*sqrt(82658769969849193301102896305) + 866147022697455/1547482402531118
[t == 250*log(1547482402531118/3/(sqrt(82658769969849193301102896305) + 288715674232485))]
-27.6793216087572