# All Questions

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11 views

### Figures as a one column panel with same x axis but changing y axis

I have plots of 6 different figures in a command decon so that if I use decon[] I plot the first figure and if I use ...
27 views

69 views

### How to know, which constraint is being violated in linear programming problem?

my task is to minimize costs of dispatching various power plants in order to meet demand in a transmission grid. I solve the task as a linear programming problem with the help of Minimize[] function ...
22 views

### How to efficiently store the result of a function

Consider the following code: f[x_]:= SomeCodeAbout[x] g[x_]:= f[x] It links g with f, ...
628 views

### Tower of Pisa function

I'm trying to construct a 'smooth' function $f : \mathbb{R}^2 \longrightarrow [0,1]$ such that all level sets $$\{ x | f(x)=y\}$$ are circles in a way that $f$ looks like the 'Leaning Tower of Pisa'. ...
83 views

### Parallelizing FindMinimum

I have complicated 6-dimensional function to optimise. Using FindMinimum works all right, but takes a few minutes. Considering that I want to check multiple starting points, I'm looking at run times ...
81 views

### Plot a bezier triangle

I have to construct a bezier triangle that interpolates these 4 points: $\qquad (0,0,1),\,(1,0,0),\,(0,1,0),\,(0.5,0.5,0.75)$ However, the surface that I get is so weird. Anyone please can help me to ...
36 views

### Do these solutions actually amount to a solution over the Reals and not over the Complexes as Mathematica says?

The following program outputs approximations to ZetaZero and ZetaZero[-1]: ...
41 views

### Manipulate works in Mathematica but not in Wolfram Player

This is most likely a very naive question, but I'm puzzled as to why the following code runs smoothly in Mathematica 12.1.1.0 but does not generate a working plot in Wolfram Player 12.1.1.0. ...
21 views

### How to ingest tabular data in Mathematica? [closed]

I have a text with collected data taken for an interval of time for several variables (32) (time, pressure, temperature, height...etc.) The text file just contains values separated by a space, each ...
29 views

### Solution of a system of nonlinear ODE in the form of a state space with nonzero initial conditions

I have a system of differential equations like this: \$\begin{cases} \frac{dx}{dt} = hpf_1 \cdot \alpha \cdot sin(\omega t) + \frac{d}{dt}(\alpha \cdot sin(\omega t)) \\ \frac{dhpf_1}{dt} + hpf_1 = \...
286 views

### Find RSolve solution reflecting special structure of DifferenceRoot[Function[{\[FormalY], \[FormalN]}

RSolve yields a large (multi-page) solution (LeafCount=25891) containing a number of 7F6 (and higher) hypergeometric functions when applied to ...
65 views

### Plot the indices of the background Matrix instead of the calculated values

I want to create a background 60*100 matrix and insert inside it the calculated values, for example ...
105 views

### (Filling problem in plotting a figure) How to fill the area between a function and a gridline?

I want to fill the area between the second gridline (blue and count from the left) and the yellow curve as shown in the figure. I used a simple code to illustrate the figure but I have no idea how to ...
59 views

### How to find individual probabilities of all numbers from a list?

I have the following list of random numbers: ...
101 views

### Why the integration command for this function gives no answer? [closed]

I have a function wfVAR2[r1, r2] which has the following form: ...
223 views

I have a data file consisting of radial, angle, and intensity columns. For each radius value, angle moves a full rotation while collecting intensity. With ...