DSM's profile - overview

● Citizen Patrol   × 1

• What do you think?

● Teacher   × 1

• Is the expression (pi > 0) lazy evaluated?

● Organizer   × 1

• can't create Sage clone

● Guru   × 5

• A list of symbolic variables
• How do I get an ordered list of a symbolic functions arguments?
• plotting multiple functions from a for loop
• how to create directory named s where s is a string ('mkdir s' will create directory 's')
• Clearing all user-defined variables from current session

● Great Answer   × 13

• A list of symbolic variables
• unable to numerically solve an equation (basic question)
• How to get the coefficient of $x^n$ in symbolic expression of matrix
• How do I get an ordered list of a symbolic functions arguments?
• In sage plot: fill the area under a curve between two x-values.
• Sage is refusing to simplify an element of the symbolic ring to an integer
• numerical evaluation with variables
• plotting multiple functions from a for loop
• how to create directory named s where s is a string ('mkdir s' will create directory 's')
• how to tell sage to give numeric result.
• Clearing all user-defined variables from current session
• Add a personnal coercion rule
• Any way to timeout?

● Popular Question   × 2

• importing .sage files
• substituting expressions for numbers

● Commentator   × 1

• How to set mutable an inmutable sequence.

● Editor   × 1

• bool returns false with arcsin(x) and 2*arctan(x/(1+sqrt(1-x^2)))

● Supporter   × 1

• Prevent sage from simplifying

● Enlightened   × 1

• Converting kernel to matrix

● Student   × 1

• importing .sage files

● Nice Question   × 1

• importing .sage files

● Enthusiast   × 1

● Necromancer   × 1

• Export to C code

● Self-Learner   × 1

• substituting expressions for numbers

● Scholar   × 1

• substituting expressions for numbers

● Good Question   × 1

• importing .sage files

● Critic   × 1

• Searching for Calculus book: Edwards 1994 Edition. Urgent Help?

● Civic Duty   × 1

• How to make special functions/orthogonal polynomials as callable symbolic expression.

● Famous Question   × 2

• importing .sage files
• substituting expressions for numbers

● Great Question   × 1

• importing .sage files

● Notable Question   × 2

• importing .sage files
• substituting expressions for numbers

● Nice Answer   × 99

• Problems with LaPlace transform when 'a' is negative in e^-at
• How do I generate a random number according to the binomial distribution?
• Dropping higher powers of a variable in an expression
• Specific cmap
• Numerical approximation of symbolic equation
• DiGraph labels?
• How to set mutable an inmutable sequence.
• Converting kernel to matrix
• can't create Sage clone
• Time-consuming of compiled files
• comparison of ideals
• Coercion problem while defining piecewise function
• Add a personnal coercion rule
• Multiple 3D plots in one panel -> graphics_array and 3D?
• Different errors
• Installation problems on MacOs
• A list of symbolic variables
• get_minmax_data on implicit_plot
• Any way to timeout?
• Generate a list/table for cardinality of elliptic curve
• expression has trig component or not?
• getting blank cells in html.table
• How do I create subsets of sets?
• How to plot solids of revolution
• rounding bug?
• How to test all but a couple files
• can gridlines be painted at sqrt(2) ?
• How can I Integrate the dirac_delta and heaviside functions in sage?
• unable to numerically solve an equation (basic question)
• block_matrix confusion (matrix constructor rewrite in new versions of Sage)
• gap calls seem to consume a lot of time
• finding real zeros of polynomials [was "numerical value"]
• Cast to Expression
• creating a fourier series animation
• simply_full for expressions with exponents
• matplotlib don't work??
• Graph minors in programming
• Export to C code
• how to tell sage to give numeric result.
• Graph minor code (too slow in certain situations) Sage 4.6
• Low-pass filter
• How to get the coefficient of $x^n$ in symbolic expression of matrix
• Contour Plot not working with pseudo-piecewise function
• Idea behind not evaluating symbolic equations
• How do I get an ordered list of a symbolic functions arguments?
• Recursion oddity
• evaluating an expression
• interpolated 2D plot
• Bug or desired behavior of eval?
• Plot doesn't seem to evaluate my function
• In sage plot: fill the area under a curve between two x-values.
• accessing data included in the error message
• len(list) & ceil(log(4,2)) bugs
• Defining constraint eqations for minimize_constrained
• solve multidimensional nonlinear system with scipy
• Defining a function of the form $f(x_1,x_2,...,x_n)=\sum_{i=0}^n x_i$
• Is it possible to edit the content of an expression by hand?
• Contour Plots and Points
• Coefficients of a constant polynomial
• Sage is refusing to simplify an element of the symbolic ring to an integer
• generate_plot_points fails to evaluate points, while plot imaginary part of expression
• Swap coordinates of list elements
• Is there a kind of memoization in Sage build in?
• Getting help inside Sage
• python 2.7
• Type error in recursion
• Eigenvalues of matrix with entries in polynomial ring
• How do I get sage to honor my PYTHONPATH environmental variable?
• how to construct a dictionary of dictionaries from a list
• complex conjugate of a variable
• coerce pari type or string to rational function workaround?
• How to decrease the iteration step from 1 to 0.1?
• plotting multiple functions from a for loop
• creating a group of similar functions with similar names
• How come abs(x) works?
• Variable assignment in list
• Rounding problems in sagetex. Sometimes
• how to create directory named s where s is a string ('mkdir s' will create directory 's')
• How to change the default program which open the 2D picture which the plot producted?
• Generating random normal vectors and matrices
• cannot evaluate symbolic expression numerically
• Strategies for drawing good graphs (graph theory)
• numerical evaluation with variables
• substitute algebraic numbers into a symbolic expression
• Creating a polynomial ring where the variables are code generated
• matrix entry-wise comparison (masking)
• Why does list(primes(2,10)) behave different from [2,3,5,7]?
• Clearing all user-defined variables from current session
• How to output 'decimal' numbers in different radix.
• Easy way to get repeatable random number sequences.
• 2 Plotting Questions
• Creating an array of variables
• Finding the permutation that sorts a list
• Numerical solution of a system of non linear equations
• How to dynamically substitute a variable in a callable function?
• Editing entries of matrix
• Substituting for a matrix of variables
• Convert Sage's Graph to NetworkX graph
• Problem with the lift_x fuction in SAGE

● Good Answer   × 60

• Graph minors in programming
• Numerical approximation of symbolic equation
• Converting kernel to matrix
• Add a personnal coercion rule
• Multiple 3D plots in one panel -> graphics_array and 3D?
• A list of symbolic variables
• Generate a list/table for cardinality of elliptic curve
• expression has trig component or not?
• Any way to timeout?
• How do I create subsets of sets?
• How to plot solids of revolution
• rounding bug?
• can gridlines be painted at sqrt(2) ?
• unable to numerically solve an equation (basic question)
• gap calls seem to consume a lot of time
• Cast to Expression
• finding real zeros of polynomials [was "numerical value"]
• simply_full for expressions with exponents
• matplotlib don't work??
• how to tell sage to give numeric result.
• Low-pass filter
• How to get the coefficient of $x^n$ in symbolic expression of matrix
• Contour Plot not working with pseudo-piecewise function
• Idea behind not evaluating symbolic equations
• How do I get an ordered list of a symbolic functions arguments?
• Recursion oddity
• interpolated 2D plot
• evaluating an expression
• In sage plot: fill the area under a curve between two x-values.
• accessing data included in the error message
• len(list) & ceil(log(4,2)) bugs
• Defining a function of the form $f(x_1,x_2,...,x_n)=\sum_{i=0}^n x_i$
• Contour Plots and Points
• Coefficients of a constant polynomial
• Sage is refusing to simplify an element of the symbolic ring to an integer
• Swap coordinates of list elements
• Is there a kind of memoization in Sage build in?
• plotting multiple functions from a for loop
• creating a group of similar functions with similar names
• How come abs(x) works?
• Rounding problems in sagetex. Sometimes
• How do I get sage to honor my PYTHONPATH environmental variable?
• DiGraph labels?
• how to create directory named s where s is a string ('mkdir s' will create directory 's')
• Generating random normal vectors and matrices
• numerical evaluation with variables
• solve multidimensional nonlinear system with scipy
• substitute algebraic numbers into a symbolic expression
• Installation problems on MacOs
• Export to C code
• matrix entry-wise comparison (masking)
• Clearing all user-defined variables from current session
• Variable assignment in list
• Finding the permutation that sorts a list
• complex conjugate of a variable
• comparison of ideals
• Strategies for drawing good graphs (graph theory)
• Creating an array of variables
• How to dynamically substitute a variable in a callable function?
• Eigenvalues of matrix with entries in polynomial ring