Hottest Questions This Week

6

votes

5

answers

1k

views

how to drop the second curly bracket?

list-manipulation

modified yesterday dmtri 328

10

votes

4

answers

417

views

Delete sublist when sub-sublists contain same element

list-manipulation sets

answered Jan 20 at 22:31 user1066 6,728

10

votes

3

answers

1k

views

How to solve this matrix equation

equation-solving

answered Jan 19 at 16:57 Daniel Lichtblau 49.6k

11

votes

2

answers

474

views

A Smooth and Round Voronoi Mesh

graphics regions mesh style polygons

modified Jan 20 at 16:36 sam wolfe 1,241

4

votes

5

answers

215

views

Convert decimal value to hexadecimal

conversion number-representation

modified 2 days ago J. M. will be back soon♦ 105k

1

vote

3

answers

624

views

How would I solve this math problem on Mathematica?

equation-solving symbolic polynomials algebraic-manipulation

modified 2 days ago J. M. will be back soon♦ 105k

6

votes

3

answers

162

views

Integral $\int_{d_1}^{d_2} \int_{-L/2}^{L/2} \int_{-L/2}^{L/2} \frac{1}{(x^2+y^2+z^2)^3} dx dy dz$

calculus-and-analysis

modified Jan 21 at 21:56 Artes 47.5k

6

votes

2

answers

167

views

How to map function f to every element

list-manipulation

modified 22 hours ago J. M. will be back soon♦ 105k

5

votes

2

answers

333

views

How to reduce the λ-matrix to Smith Standard Form

matrix linear-algebra

modified 6 hours ago J. M. will be back soon♦ 105k

7

votes

1

answer

444

views

How to define your own hash type?

hashing

answered Jan 19 at 20:19 Daniel Lichtblau 49.6k

5

votes

4

answers

267

views

How to format natural numbers so that they are 2 digits long?

number-representation

modified Jan 20 at 20:21 Conor Cosnett 4,878

6

votes

3

answers

267

views

How can I get all 4x4 submatrices of an nxn matrix?

matrix linear-algebra

modified yesterday kglr 237k

3

votes

3

answers

75

views

how can I calculate $a_{n+3}=a_n+a_{n+1}+a_{n+2}$?

recursion modular-arithmetic

modified 21 hours ago MikeY 4,821

6

votes

2

answers

130

views

Plotting a list of “Numerical” functions

plotting evaluation error

modified Jan 21 at 18:22 Fraccalo 4,577

6

votes

1

answer

223

views

Remove zig-zag part in the intersection curve

plotting intersection

modified Jan 21 at 1:38 kglr 237k

4

votes

3

answers

91

views

Perform a numerical constrained integration over $[-1,1]^3$

numerical-integration

modified Jan 21 at 17:32 Bob Hanlon 72.3k

2

votes

1

answer

77

views

MMA has an error in calculating the minimum polynomial of a rational number

polynomials

modified 2 days ago MarcoB 43.4k

5

votes

2

answers

97

views

How to simplify Sum's and Product's of arbitrary length?

simplifying-expressions summation products

modified Jan 19 at 19:16 kglr 237k

2

votes

3

answers

196

views

Solving exponential equation to find a value in the exponent [closed]

equation-solving

modified 2 days ago Roman 18.6k

5

votes

3

answers

48

views

How to modify a string of symbols based on the positions of $1$'s in a list of Booleans?

string-manipulation boolean-computation

answered 6 hours ago J. M. will be back soon♦ 105k

2

votes

1

answer

182

views

Why program output produces 0 / 1 error

plotting error numerical-value

modified Jan 19 at 15:21 Michael E2 168k

6

votes

2

answers

52

views

Assert no unevaluated function applications

expression-manipulation core-language

modified 10 hours ago justinpc 163

4

votes

1

answer

133

views

Wrap angle to [0,2pi[

built-in-symbols

modified Jan 20 at 10:25 AJHC 183

3

votes

1

answer

197

views

While loop in a function

procedural-programming

modified yesterday Henrik Schumacher 73.9k

3

votes

1

answer

128

views

How can I decrease timing to solve this equation?

equation-solving

answered Jan 18 at 8:12 user64494 6,297

5

votes

1

answer

124

views

Where to get the detailed code of MMA for grid mesh

finite-element-method computational-geometry mesh

modified 22 hours ago J. M. will be back soon♦ 105k

4

votes

2

answers

98

views

NDSolve and Euler method

differential-equations

answered Jan 19 at 20:21 George Hrabovsky 11

4

votes

1

answer

115

views

Apply the Four-color theorem to maps combining two countries

geographics

modified Jan 21 at 14:56 Anton Antonov 27.8k

0

votes

3

answers

56

views

More efficient way to NSolve for unknown within Integrate?

equation-solving numerical-integration

answered Jan 21 at 5:19 Bob Hanlon 72.3k

7

votes

1

answer

99

views

+50

Is AlgebraicRulesData magical?

equation-solving undocumented algebra

answered 2 days ago Daniel Lichtblau 49.6k

3

votes

2

answers

77

views

Why can't this DiscretizeRegion display in full

regions

modified 21 hours ago J. M. will be back soon♦ 105k

3

votes

2

answers

75

views

Using Map to extract elements of a list

list-manipulation homework

answered yesterday b-shields 24

4

votes

1

answer

89

views

Can bounding box coordinates be retrieved for words in a WordCloud?

word-cloud

modified yesterday kglr 237k

1

vote

1

answer

87

views

list sorting task

list-manipulation sorting

modified 6 hours ago J. M. will be back soon♦ 105k

2

votes

3

answers

65

views

How to get string from the result of BaseForm function

string-manipulation number-representation

modified 2 days ago J. M. will be back soon♦ 105k

5

votes

1

answer

48

views

Creating a dynamic list of parameter defined functions

list-manipulation functions dynamic

answered Jan 19 at 5:42 kglr 237k

2

votes

1

answer

77

views

ContourPlot3D very noisy/pixelated

plotting

modified 22 hours ago J. M. will be back soon♦ 105k

3

votes

2

answers

59

views

Add region-labels below x-axis

plotting labeling

modified Jan 21 at 0:44 kglr 237k

1

vote

1

answer

96

views

A system of differential equations [closed]

differential-equations

modified Jan 19 at 18:59 Michael E2 168k

0

votes

1

answer

70

views

Phase transitions graph [closed]

plotting code-request

answered Jan 19 at 14:32 m_goldberg 97.8k

1

vote

3

answers

76

views

Why does Mathematica refuse to evaluate my integral?

calculus-and-analysis

modified 1 hour ago m_goldberg 97.8k

0

votes

2

answers

70

views

Why am I getting this message “ Further output of NIntegrate::inumri will be suppressed during this calculation.”

numerical-integration probability-or-statistics error

modified Jan 19 at 1:28 Michael E2 168k

3

votes

1

answer

70

views

Plot function with parameters from Reduce

plotting functions

modified Jan 21 at 18:36 Lukas Lang 14k

4

votes

3

answers

51

views

Manipulate two graphs with one parameter

plotting manipulate slider

modified yesterday kglr 237k

3

votes

1

answer

48

views

Automatically load init.m without sharing CellContext

notebooks packages system

modified Jan 21 at 7:32 KHAAAAAAAAN 179

4

votes

1

answer

74

views

Create a slider to illustrate Fubini theorem

plotting slider

modified yesterday kglr 237k

2

votes

3

answers

73

views

Plotting asymptotically constant functions

plotting

answered Jan 21 at 23:08 Michael E2 168k

0

votes

1

answer

71

views

Calculate sensitivities of differential algebraic equation

differential-equations equation-solving numerical-integration numerics

answered 2 days ago bbgodfrey 49.8k

Top Questions

Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.