Questions tagged [MATLAB] (105)

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As three-dimensional graphs from two-dimensional to do on Matlab?

I have a program that builds a three-dimensional graph. And I need two-dimensional for a fixed t. spoiler</function diffuzia x0=0; xt=10000; t0=0; tt=120000; m=300; n=10000; dt=(tt-t0)/n; h=(xt-x0)/m; u(1:m/2,1)=0.3; u((m/2+1):m+1,1)=0; for j=1:n for i=2:m if i==2 u(i-1,j)=u(i,j); end if i==m u(i+1,j)=u(i,j); en...
Keshawn_Cronin asked April 19th 20 at 12:27
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Anyone help to calculate the equation in Maple or Matlab?

The expression complicated. Is a method of staging or using plot to plot and detail, Maple does not consider normal, and not familiar with MAtlab.
ola.Leuschke asked April 8th 20 at 02:55
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Submatrix incorrectly defined. What is the error?

Make a program in scilab, but there is such a tag seems not. The problem lies in the part of the code where I'm trying out matrix constraints Aeq and right sides of the inequalities beq to make foaly tipo y = 2x + 1 for the function plot. What error was there that I learned because first disp in the loop displays the valu...
russ_Crooks99 asked April 7th 20 at 09:52
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What is the spectral analysis function?

The task: run a spectral analysis and synthesis of functions using the fast Fourier transform (FFT). With the spectrum analyzer still clear, but with a spectral synthesis of function - no. Tell me, what is this synthesis, and what is its result? As the clause specified that if you do a reverse FFT, you need to consider 1, 2...
gia_Veum asked April 4th 20 at 13:27
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Matlab: How to work with matrices?

it would look like is a formula in Matlab? you need to write but have no idea how to write ]2.3 it seems H1 = [(x(1+x*2)+(1+2x)*2]2.3 but it is wrong ideas?
Linwood.Turner37 asked April 3rd 20 at 17:33
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Does Matlab only inverse regression?

Are there any ready Matlab methods for inverse regression? There are methods stepwise, stepwisefit, stepwiseelm, but they as I understood first perform a forward regression, and then backward. Is it possible somehow to have only backward selection? And if so, how? Please give examples of such methods
ellen53 asked April 3rd 20 at 17:27
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Python, how to fix my error (tkinter variables in matlab)?

How do I make it so that when I enter values in "txt" and "txt2", they are saved in variables, so I was able to use them in "def next():" [in my example is to put the end code "plt.plot(x,y, '--bo')"]import matplotlib.pyplot as plt from tkinter import* import tkinter def start(): window = Tk() window.title("Entry point...
nigel asked April 2nd 20 at 15:46
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18 ubuntu how to run matlab?

Installed, no icon((( that in the folder - it is not clear what to start.
Kaci.Rob asked April 2nd 20 at 15:21
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How to install matlab on ubuntu 14?

Do I need a key? I at least have a trial version to put.
else_Morissette asked April 2nd 20 at 15:10
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How to find the most similar match in an array with another?

In Matlab do not look painted as simply as possible, I need more to understand the algorithm. The brief description to find the most similar array in another array. The problem is, 2 images, 1 of them is a piece of the second (may not be), it is necessary to find coordinates of where the smaller image it looks like more tha...
michele.Emmerich23 asked April 2nd 20 at 15:09