dsejas's profile - activity

Hello, @Cyrille! I am not 100% if the following is what you want, but I am posting it as an answer because the permalink

What happenend to the `automatic_names()` function? Hello, Sage Community. I seem to remember there was a command calle

Hello, @Cyrille! At first, I also found this feature from Sage quite annoying. However, I should point out that there is

Hello, @Cyrille! I am glad I could help. I took a look at your website and I really enjoyed it, although some parts I h

Hello, @pg261! This is not very elegant solution, but I couldn't find any alternative at the moment. However, I believe

Hello, @JC! Please, let me know if this suits your purposes, so I can make it into an answer.

Hello! I am assuming nPr means "n permutation r". Unfortunately, SageMath doesn't have a command for that purpose. Howev

Hey, @Cyrille! I found it useful to pass the taylor=True option to the limit (or lim) function: U_5(x,a,b,γ) = ((1-γ)/

Hello, @moon! I am not 100% sure of what you want, but perhaps the following works for you? import operator as op # Py

Hello, Sage community!

Modern Python 3 defines various way to printing formatted strings. Here are some examples:

myconst = N(3/8)
print('Hello, world of %.2f'%(myconst))
print('Hello, world of {:.2f}'.format(myconst))
print(f'Hello, world of {myconst:.2f}')

The first example should be the most known and common. The second example uses the format method, and the third uses f-strings. Unfortunately, these two last forms of formatted strings aren't supported by Sage. For example,

print('Hello, world of {:.2f}'.format(myconst))

prints the following traceback

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-6-6336f0c43d90> in <module>()
----> 1 print('Hello, world of {:.2f}'.format(myconst))

TypeError: unsupported format string passed to sage.rings.real_mpfr.RealNumber.__format__

Exactly the same error and traceback are issued with the third example.

Now, on the other hand, if no string conversion specification is used, these work fine:

print('Hello, world of {}'.format(myconst))
print(f'Hello, world of {myconst}')

Also, try using pi instead of myconst. Works fine withN(pi), but not with N(myconst); this seems an inconsistent behavior.

Is there some workaround for this problem? Should it be reported as a bug/enhancement?

Hello, @Cyrille! As pointed by slelievre, I could have used a minimal working example; however, from what I understand,

Hello, @Cyrille! As pointed by slelievre, I could have used a minimal working example; however, from what I understand,

Hello, @chazzs! By commenting the first line and uncommenting the third as you suggested, gives the following error mess

Hello! Based on the statement of the question, this seems to be homework. It is important that you do it yourself withou

Hello, @Sagematherireland! You are in the right track (you almost got it done!) The fill argument for the plot command c

Hello, @Sagematherireland! You are in the right track (you almost got it done!) The fill argument for the plot command c

Hello, @ripple_carry! The easiest way I know of achieving that effect is to explicitly declare the imaginary part of the

Hello! Just read a little bit a bout this issue. Unfortunately, I cannot reproduce Emmanuel's output. For {u:u._giac_()

Difference between `solve`'s `r` and `c` solution parameters Hello, everybody! The author of this related question point

Difference between `r` and `c` solution parameters Hello, everybody! The author of this related question pointed out an