Hi Andrius. Perhaps your version of SageMath is too old. With a recent version I get the following. I know that for Windows there is no version more recent than 9.3 that can be installed very quickly. Look at https://doc.sagemath.org/html/en/installation/index.html to see the possibilities.
% sage ┌────────────────────────────────────────────────────────────────────┐ │ SageMath version 9.7.beta5, Release Date: 2022-07-10 │ │ Using Python 3.10.5. Type "help()" for help. │ └────────────────────────────────────────────────────────────────────┘ ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓ ┃ Warning: this is a prerelease version, and it may be unstable. ┃ ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛ sage: sinh(x).exponentialize() -1/2*e^(-x) + 1/2*e^x sage: cosh(x).exponentialize() 1/2*e^(-x) + 1/2*e^x sage: tanh(x).exponentialize() -(e^(-x) - e^x)/(e^(-x) + e^x) sage: Guillermo On Mon, 12 Sept 2022 at 19:19, Andrius Tamulis <andrius1....@gmail.com> wrote: > Simply as stated. Version 'SageMath version 9.3, Release Date: 2021-05-09'. > Windows 10, 64 bit. Copied and pasted from > https://doc.sagemath.org/html/en/reference/calculus/sage/symbolic/expression.html#sage.symbolic.expression.Expression.exponentialize > in to Jupyter notebook: > > x = SR.var("x") > sinh(x).exponentialize() > > and got the following: > > --------------------------------------------------------------------------- > AttributeError Traceback (most recent call last) > <ipython-input-2-42503062c3f9> in <module> ----> 1 sinh(x).exponentialize( > ) > /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/structure/element.pyx > in sage.structure.element.Element.__getattr__ > (build/cythonized/sage/structure/element.c:4709)() 491 AttributeError: > 'LeftZeroSemigroup_with_category.element_class' object has no attribute > 'blah_blah' 492 """ --> 493 return self.getattr_from_category(name) 494 > 495 cdef getattr_from_category(self, name): > /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/structure/element.pyx > in sage.structure.element.Element.getattr_from_category > (build/cythonized/sage/structure/element.c:4821)() 504 else: 505 cls = > P._abstract_element_class > --> 506 return getattr_from_other_class(self, cls, name) 507 508 def > __dir__(self): > /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/cpython/getattr.pyx > in sage.cpython.getattr.getattr_from_other_class > (build/cythonized/sage/cpython/getattr.c:2618)() 370 dummy_error_message.cls > = type(self) 371 dummy_error_message.name = name --> 372 raise > AttributeError(dummy_error_message) 373 attribute = <object>attr 374 # > Check for a descriptor (__get__ in Python) AttributeError: > 'sage.symbolic.expression.Expression' object has no attribute > 'exponentialize' > > Thank you, > > Andrius > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/CANnG18_93hQtos3jVnYW9hCrNAW0rzRUGcp8Jz3Z%3Dt47Lwq1mg%40mail.gmail.com.
