Hello, You are right. I had version 7.6 and that was the problem. Thank you for yours assistance.
Τη Παρασκευή, 1 Δεκεμβρίου 2017 - 12:16:13 μ.μ. UTC+1, ο χρήστης Rusydi H. Makarim έγραψε: > > Note that has_linear_structure() in Boolean Function is only available > from SageMath version >= 8.0 > > On 1 Dec 2017 11:49 a.m., "Rusydi H. Makarim" <rusydi...@gmail.com > <javascript:>> wrote: > >> Hi, >> >> Which version of SageMath that you used ? >> >> On 1 Dec 2017 11:40 a.m., "Γίαννης Κολλητίδης" <johnk...@gmail.com >> <javascript:>> wrote: >> >>> Hi everyone, >>> >>> I have used the has_linear_structure() function according to example: >>> http://doc.sagemath.org/html/en/reference/cryptography/sage/crypto/boolean_function.html#sage.crypto.boolean_function.BooleanFunction.nonlinearity >>> >>> sage: from sage.crypto.boolean_function import BooleanFunction >>> sage: f = BooleanFunction([0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, >>> 0]) >>> sage: f.has_linear_structure() >>> >>> and as return I have the following error: >>> >>> Traceback (click to the left of this block for traceback) >>> ... >>> AttributeError: 'sage.crypto.boolean_function.BooleanFunction' object >>> has no attribute 'has_linear_structure' >>> >>> >>> The example I used is exactly the same from the documentation. >>> If I use the autocorrelation function after , works perfectly. >>> Could you please assist ? Thank you in advance. >>> >>> >>> >>> >>> >>> -- >>> 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...@googlegroups.com <javascript:>. >>> To post to this group, send email to sage-s...@googlegroups.com >>> <javascript:>. >>> Visit this group at https://groups.google.com/group/sage-support. >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- 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 post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
