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2017-10-19 17:38:50 +0100 commented question Segmentation fault when multiplying by variable

@eric_g Yikes, should I report it somewhere?

2017-10-19 00:05:15 +0100 asked a question Segmentation fault when multiplying by variable

In Sage 7.5.1 I'm trying to work with unknown values in GF(3) and polynomials.

The following code gives me a segmentation fault:

P.<x> = GF(3)['x']
var('a')
sigma = 2*x+ 1
print(a*(sigma))

What is the proper way to handle unknown GF(3) values like "a" in Sage?

2017-10-19 00:05:15 +0100 asked a question Segmentation fault with product

I'm trying to do symbolic calculation with polynomials on GF(3), multiplying unknown values in GF(3) by polinomials. The following code fails with a segmentation fault (Sage version is 7.5.1):

P.<x> = GF(3)['x']
var('a')
sigma = 2*x^5 + x^3 + x^2 + 1
print(a*sigma)

What went wrong? How should I work with unknown values like 'a' in finite fields?