# All Questions

1answer
76 views

### Gram-Schmidt Process

I've discovered the Orthogonalize command: Clear[x1, x2] x1 = {1, 1, 0}; x2 = {-2, 0, 1}; Orthogonalize[{x1, x2}, Method -> "GramSchmidt"] Which returns an ...
2answers
1k views

### Pixel perfect world map with no border lines

I'm trying to build a real world map in Minecraft and want a pixel-perfect raster image I can copy pixel for block. How can I modify ...
1answer
122 views

### Finding “nice” solution for under-determined system with constraint?

Consider the following equation: ...
0answers
22 views

### Does VertexAdd/EdgeAdd always simply append new vertices/edges to the old list?

I have a weighted digraph and I want to add new vertices and edges. The problem is that the EdgeWeight property value gets reset to automatic when a new edge is added. ...
1answer
56 views

### My plots are overlapping while using Show[] command [on hold]

I want to display these two equations in one graph. Both are having different values but by using Show command only single line comes in graph. My Code is: ...
0answers
33 views

### Min Weight Perfect Matching on General Graphs

I'm looking for a minimum weight perfect matching algorithm in Mathematica. Ideally, it should be able to handle arbitrary weighted graphs (e.g. not just bipartite, as that case is easy), although I ...
0answers
74 views

### How to read and write data to open sockets?

I am trying to open connection with socket. I am using this: ...
3answers
127 views

### 3D Plot with the Manipulate Command

I'm trying to make a 3D Plot using the Manipulate command. The code is: ...
1answer
31 views

0answers
37 views

### Mathematica Not finding Eigenvectors? [duplicate]

I have the following matrix: mat = {{-60., 0., 2.1*10^-35 II + 2.1*10^-35 (-1. II + Istar), 2.1*10^-35 II + 2.1*10^-35 (-1. II - 4.7619*10^6/Istar)}, {-6.4*10^22 II - 6.4*10^22 (-1. II - ...
0answers
30 views

### How to make graph like that [duplicate]

Can I know how to make graph like below: it's a list of disconnected points like {200,5}, {500,10}, .. {1000,15} and then plotted by list plot, but how to add these rounded pins on these points
1answer
95 views

### How to plot a pair of functions as solid and dashed, but a list of those pairs as different colors, in one plot?

I have a list of pairs of functions: fns = Table[{a*x, a*x^2}, {a, 5}] {{x, x^2}, {2 x, 2 x^2}, {3 x, 3 x^2}, {4 x, 4 x^2}, {5 x, 5 x^2}} What I would like to ...
1answer
48 views

### Clustering using Mathematica

I've got a two column table (Fields, Methods) and I'd like to find which Methods relates to many Fields. Can I accomplish this task using Mathematica? This are the sample data. https://jpst.it/L6I5
0answers
35 views

### The definition of variables [on hold]

how to define some variable according photo attached.
1answer
65 views

### Apply If function to FoldList [on hold]

I have defined the following function: cpdz[c0_, m_,s_, r_, t_, n_] := If[c0 > 0, c0*(m*c0\s - (m - 1)*Exp[r*t/n]), c0*Exp[r*t/n]] for s I have a set of ...
1answer
66 views

### How can I find the eigenvalues of a Sturm-Liouville equation?

I am trying to find eigenvalues of a Sturm-Liouville equation using Mathematica10.2, but setting different precisions in ParametricNDSolve gives me different ...
0answers
15 views

### Recursion limit error in FeynRules

I added this lagragian to the Standard Model file LBSM =HC[CC[dR]][sp1,ff1,col1].Ga[0,sp1,sp2].del[dR[sp2,ff1,col2],mu] Gaux[mu,ff2,ff2,col1,col2]; where Gaux is ...
3answers
101 views

### How do I define a two point random variable?

How do I define a random variable $X$ such that $Pr[X=x_1]=p_1$ and $Pr[X=x_2]=p_2$ where the values $x_i$, $i=1,\,2$ are just symbols and the probabilities $p_i$, $i=1,\,2$ are symbolic expressions ...
0answers
84 views

1answer
69 views

### Why does RegionUnion fail for these Regions?

Introduction Lately, I asked for a solution to inflate and unite a List of BoundaryMeshRegions: Inflate and unite a list of 0D to 2D regions JasonB came up with a ...
1answer
125 views

### 1-D Graph in Mathematica

I'm trying to reproduce the solid blue graph on the left hand side in the following picture: The analytical expression for the graph is:  - \frac{1}{\tau} \ln \Bigg ( \Bigg [ \frac{|\eta|}{1 +...

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