Questions tagged [coordinate]

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7
votes
2answers
79 views

How do I plot this vectorial system in Cartesian coordinates regarding the triangle $ABC$?

Let $ABC$ be a triangle from plane such that we define three points $I$, $J$ ,$G$ satisfying respectively the following equations: $$2 \vec{IA}+\vec{IB} =\vec{0}$$ $$\vec{JB}-2\vec{JC} =\vec{0}$$ $$...
0
votes
0answers
29 views

Error in variable trying to perform SlicedVectorPlot

I have been trying to plot the normal vector over the Mobius Strip, which I know I cannot do asking it to be a well-defined continuous map, nevertheless you can do it in a small region, which I am ...
2
votes
1answer
27 views

How to specify coordinated of legend box using Show and Epilog functions?

I am trying to place the legend box using epilog function. I'm unsure where I can specify the coordinated in the sample code to specify the position. ...
1
vote
1answer
71 views

Plot Using User-defined Coordinates

Suppose instead of using Cartesian coordinate $\vec{x}=(1, 0)$ and $\vec{y}=(0, 1)$, I want to define new coordiates $\vec{a} = (1,0)$ and $\vec{b} = (\frac{1}{2},\frac{\sqrt{3}}{2} )$. And when I ...
2
votes
2answers
148 views

How to make a polygon centered at {0,0} with scaled dimensions?

I am making a customized plot marker mk2 (a black star) with Polygon. Another marker mk1 (a ...
2
votes
1answer
54 views

Code for the elementary $m\times m$ matrix $E_{ij}$

Let $E_{ij}$ be an $m\times m$ matrix with a $1$ in the $(i,j)$-entry and zero otherwise. DiagonalMatrix[{1},j,m] will put a $1$ in the first row along the $j$-th ...
5
votes
2answers
101 views

How to scale and shift the coordinates of a Graphics object?

I am trying to overlap two Graphics objects g1 and g2 with ...