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Jan Eerland
  • Member for 6 years, 10 months
  • Last seen this week
  • The Netherlands
8 votes
3 answers
376 views

Calculating the integral points of an elliptic curve

6 votes
1 answer
5k views

Plot only those regions where a function's value is positive

5 votes
2 answers
960 views

Calculate the Bromwich Integral (Inverse Laplace Transform)

5 votes
4 answers
367 views

Programming a recursive formula into Mathematica and find the nth position in the sequence

5 votes
3 answers
422 views

Writing a program that divide numbers until I hit a one digit number

5 votes
2 answers
351 views

Coding a triangle of balls

5 votes
8 answers
1k views

Making the number 12345...n

5 votes
1 answer
328 views

Sum a number's digits until only one digit remain

4 votes
3 answers
312 views

Checking if a number is right sorted

4 votes
2 answers
260 views

Making a 3D-solid from RevolutionAxis

4 votes
3 answers
260 views

Constant curvature surfaces. Revolution of the graphs of solutions to a nonlinear differential equation

4 votes
2 answers
159 views

4X4 matrix of distinct cubed integers with identical row and column sums

4 votes
2 answers
174 views

Finding the number of even numbers in Pascal's triangle (code gives memory error)

4 votes
1 answer
138 views

Finding the number of appearances that a number turns up in a certain list of numbers

4 votes
3 answers
250 views

Writing a program that will filter the integer solutions

3 votes
2 answers
175 views

Using the solve function for big numbers, getting a failure now

3 votes
2 answers
178 views

Finding 36 integer solutions to a set of 14 equations using various boundary conditions

3 votes
3 answers
188 views

Is there a way to speed up the following calculation Table[If[TrueQ[],k,Nothing],{k,10^5,10^7}]

3 votes
1 answer
281 views

Using DSolve to solve an integral equation

3 votes
4 answers
469 views

Solving an equation in natural numbers

3 votes
3 answers
251 views

Plotting datapoints found in data given in a .txt file

3 votes
4 answers
383 views

Plotting a hard integral describing voltage in an electric circuit

3 votes
3 answers
246 views

Solving for a unique set of solutions

3 votes
1 answer
84 views

Removing a element from list when obeying a certain condition

2 votes
2 answers
66 views

Removing transient part in equation and solving for a general form

2 votes
0 answers
96 views

Finding the sum of the product of factorials of the digits of numbers

2 votes
1 answer
42 views

Filtering solutions using the Select function [closed]

2 votes
1 answer
62 views

Counting the number of elements

2 votes
1 answer
63 views

Extracting coefficients from equation [closed]

2 votes
2 answers
124 views

Returning a custom value rather than {} when Solve finds no solutions [closed]