petropolis's profile - overview

● Enlightened   × 1

• calculating n!/(n-k)! for k-permutations

● Good Answer   × 1

• calculating n!/(n-k)! for k-permutations

● Popular Question   × 21

• How to differentiate in the Laurent polynomial ring?
• How to format huge reals?
• Strange AttributeError
• Is this a bug in QuadraticForm?
• Symbolic accumulation
• How reverse a list with Sage?
• Sage ranges in IP-Notebooks on CSM
• Coefficients of a constant polynomial
• Is there a kind of memoization in Sage build in?
• Maple versus Sage, porting issues
• Type error in recursion
• Problem with infinite sum
• Bug in integral?
• Iterated functional composition
• Hadamard product for the Riemann zeta function
• What is the best way to report small glitches in the docs?
• How to expand an symbolic expression.
• How to check if a symbolic expression is numerically evaluable?
• How to get Sage 5.4 working under the VM VirtualBox?
• Simplification of boolean values
• hurwitz_zeta bug?

● Famous Question   × 11

• Simplification of boolean values
• How to check if a symbolic expression is numerically evaluable?
• Strange AttributeError
• Hadamard product for the Riemann zeta function
• Symbolic accumulation
• How reverse a list with Sage?
• Problem with infinite sum
• Coefficients of a constant polynomial
• Is there a kind of memoization in Sage build in?
• How to expand an symbolic expression.
• Iterated functional composition

● Notable Question   × 19

• Simplification of boolean values
• How to differentiate in the Laurent polynomial ring?
• How to format huge reals?
• What is the best way to report small glitches in the docs?
• Strange AttributeError
• Is this a bug in QuadraticForm?
• Symbolic accumulation
• How reverse a list with Sage?
• Is there a kind of memoization in Sage build in?
• Problem with infinite sum
• Coefficients of a constant polynomial
• Iterated functional composition
• How to expand an symbolic expression.
• How to check if a symbolic expression is numerically evaluable?
• Type error in recursion
• Bug in integral?
• Hadamard product for the Riemann zeta function
• Maple versus Sage, porting issues
• hurwitz_zeta bug?

● Taxonomist   × 1

● Student   × 1

• How to expand an symbolic expression.

● Supporter   × 1

• How to expand an symbolic expression.

● Commentator   × 1

• calculating n!/(n-k)! for k-permutations

● Nice Answer   × 1

• calculating n!/(n-k)! for k-permutations

● Editor   × 1

• Type error in recursion

● Teacher   × 1

• calculating n!/(n-k)! for k-permutations

● Scholar   × 1

• How to expand an symbolic expression.