1
vote
0answers
17 views

Is there any interactive spline fitting software?

I'd like to know if there's any software (freeware) for interactive data interpolation. What I want is to be able to visualize my data on an XY plot and drag the points to see how it affects the ...
0
votes
1answer
19 views

Filling between two curves in Mathematica [closed]

I want to fill region between 2 curves, but in mathematica 8.0 FilledListPlot[list1, list2, Fills -> {RGBColor[f, f, f]}] doesn't work. can someone help me? Thx
0
votes
3answers
70 views

Plotting a region in $3D$ space

I would like to know if someone knows of a software where I can plot the following region $$ D = \{ (x,y,z) \in \mathbb{R}^3: 0 \leq x \leq 1 , \; x^2 \leq y \leq x, \; \; 0 \leq z \leq x \} $$ ...
1
vote
2answers
83 views

Graphing a function f(x,y) on a restricted set of values for (x,y)

I'm having a hard time with this certain problem. Suppose that $S=\{(x,y): x^2 + y^2\leq 4\}$ and define $f:S\rightarrow\mathbb{R}$ as $f(x,y)=-x-2y-2y^2+cos(x\pi /4)$. How can we produce a (3d) ...
0
votes
2answers
66 views

How plot $f(x,y) = \frac{x}{1-y}$ with $x^2+y^2<1$?

How do you plot $$f(x,y) = \frac{x}{1-y} \text{with}~ x^2+y^2<1$$ in Mathematica or Maple?
-1
votes
1answer
126 views

How do you set the range for ListPlot (mathematica)

I have a large set (about 2050 values) of data that I would like to make a graph out of. The data is in two columns in Excel. I copied the first column and made the list x={0, 3.6, 7.1, 10.7...} and ...
-1
votes
1answer
240 views

Finding out the nodes from spherical symmetric equation for mathematica and then plotting it in gnu-plot

What I want to do is to draw a curve for the spherical partial differential equation for S at rho=0: \begin{equation} \frac{\partial^2S}{\partial \rho^2}+\frac{d-1}{\rho}\,\frac{\partial S}{\partial ...
0
votes
1answer
87 views

How to plot (y vs x) a not invertible function say F(x,y)=const?

I am trying to plot (y vs x) for a not invertible function PolyLogarithm[1.5,y/x]=const. Any Ideas how to do this, say on Mathematica?
1
vote
1answer
83 views

Plotting large equation in mathematica

I have this rather large equation which needs to be solved with respect to I1 so that I can plot it against X: -1 - (0.742611 I1 (1/(-(-14 + 16/I2)^2 + (1 - 15/I1 + 16/I2)^2) - ( 30 (1 - 15/I1 + ...
0
votes
1answer
48 views

Graphing a function

A function is defined in a article equation 37, $$A(t)= 0.456+\frac{2.58}{(1+0.136 t)^{0.249}}$$ The simulation of the equation is: But I have tried like by this: ...
0
votes
0answers
108 views

Plotting graph For Z versus $\rho$ by applying numerical method and explanation of nodes

I want to draw a simulation for a graph by Mathematica but confused that where I have got struck, The equation I need to plot is, $$\frac{d^2Z}{d \rho^2}+ \frac{D-1}{\rho} \frac{dZ}{d \rho}-Z + 3S^2 ...
4
votes
2answers
289 views

Plotting graphs using numerical/mathematica method

From the author's equation 13, 14 We can write by inserting V''(A)=0, Solving for R we get, $$R= \frac{6^{D/4} \sqrt{D}}{\sqrt{-2^{1+\frac{D}{2}} 3^{D/2}+3 2^{1+D} A-3^{1+\frac{D}{2}} A^2}}$$ Now ...
1
vote
3answers
205 views

Plot of x^(1/3) has range of 0-inf in Mathematica and R

Just doing a quick plot of the cuberoot of x, but both Mathematica 9 and R 2.15.32 are not plotting it in the negative space. However they both plot x cubed just fine: ...
3
votes
1answer
183 views

Method For Constructing Self Referential Formulas Like Tupper's

Can anyone please explain exactly how formulas like Tupper's self referential formula can be constructed? I'll like to see the reasoning behind the derivation of such formulas and the steps required ...
0
votes
1answer
3k views

Plot Y-Range on Mathematica

I have a plot that I would like to slightly manipulate in Mathematica. Here is the code I am entering: Plot[{x, 2^x, log_2(x)}, {x, -1, 3}] As you can see $x$, $2^x$, and $log_2(x)$ are all ...
1
vote
1answer
165 views

Plotting a Function

How can one plot a three-dimensional plot of a differential equation system of the following to show the trajectories in mathematica: $x' = yz,~ y' = -2xz,~ z' = xy$ I tried using ...
0
votes
2answers
247 views

Plot graph with custom axes

How to plot graph with custom axes in Mathematica 8.0? e.g. use the axes $\frac1y$ instead of $y$ and $x^2$ instead of $x$? this is to implement Linear Law
0
votes
1answer
206 views

Equation to find if a set of vertices form a concave shape?

i'm trying to get around the rule of only being able to form concave shapes in the SFML c++ library by forming the non-concave shape out of many concave shapes. What I don't know is the equation for ...