Beantwortet
How to draw same size rectangle on different image location
Try to adjust this protocol to your problem : L=0.5; N=100; for n=1:N p=randn; p2=randn; r=p+L; r2=p2+L...

etwa 10 Jahre vor | 1

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variance equation of a white noise
you can program E or use *var* function, %var(x,0) %var(x,1)

etwa 10 Jahre vor | 0

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How to add noise to rect fuction (rectangle) ?
The solution exists for one dimensional function, when you apply the function, you obtain a logical array, you need to convert i...

etwa 10 Jahre vor | 0

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how to make fft2 surf plot with z axis in dB?
This problem does not occur with the following test : H=exp(-randn(10).^2); F=abs(fftshift(fft2(H,200,200))); F=F/m...

etwa 10 Jahre vor | 0

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Sine wave changing amplitude
Nuchto, That is the amplitude modulation, it is possible to simulate that type of signals: x=real(exp(j*2*pi*(0:0.1:10))); ...

etwa 10 Jahre vor | 0

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How from uint8 to 0 and 1?
rgb2gray(im2double(X));

etwa 10 Jahre vor | 0

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Draw a polar plot from cartesian plot of gain function
In the code, v is not defined, i assume is it omegat, try : figure; polar(omegat,abs(gainfunction)); % 20*log10(abs(gain...

etwa 10 Jahre vor | 0

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Question about coordinate system in matlab
You can start inspecting the x,y values in sample, to get an idea try : >>imshow('circuit.tif') Then go to *Tools* in men...

etwa 10 Jahre vor | 0

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Help generating a triangle using arrays, rotating triangle
Colin, you can try using the function *line* as the following : x1=[0 2]; y1=[0 0]; x2=[0 0]; y2=[0 1]; x3=[0 2]; ...

etwa 10 Jahre vor | 0

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How do you plot a surface in matlab?
There several tutorials that illustrate how to make a graph of f(x,y), here is simple example : [x,y]=meshgrid(-1:0.1:1); ...

etwa 10 Jahre vor | 0

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Matrix for double pendulum not populating last column
This problem is sensitive to initial conditions, you can start by checking the equations, or values given to variables. In funct...

etwa 10 Jahre vor | 0

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i want to find angle between two 3d dots in kinect skeleton
try to verify these relations : r=sqrt(x^2+y^2+z^2); phi=acos(z/r); % radian theta=acos(x/(r*cos(phi)); radian ...

etwa 10 Jahre vor | 0

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compute the 2 dimensional (x,y) with respect to time
As long as there are three variables, you need to use : plot3(t,x,y); %.....

etwa 10 Jahre vor | 0

Gesendet


Lorentz poles in complex plane
Generating n peaks in complex using nth version of Lorentz function.

etwa 10 Jahre vor | 1 Download |

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Replace jth zero in vector with j
try : x = [1 0 2 4 -3 0 3 0]; y=x; [a,b]=find(x==0); y(b)=b;

etwa 10 Jahre vor | 0

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Soundsc and sound not Playing anything
It can be the range of the vector, try *sound(y/max(y),Fs)*.

etwa 10 Jahre vor | 0

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Sir i am getting error :function isgray has been removed. Please suggest me which version of matlab i should use.
I think this function test an image of it is gray scale image, try to use an alternative way, using always logical answer, The g...

etwa 10 Jahre vor | 0

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how to generate three independent sinusoidal signal in matlab?
sin waves with different frequencies : Fs=20; f1=2; f2=4; f3=9; t=0:1/Fs:10-1/Fs; y1=sin(2*pi*f1*t); y2=sin(2*pi...

etwa 10 Jahre vor | 0

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Beantwortet
Vector convergence in cartesian coordinates
There are 24 undefined variables *C1;G0;hMaz;hMpol;Alpha;theta;phi;EAj;EAi;EAk;Ku;Vol;P;C2;Is;P_hbar;P_Q;Ms;Nx;Nz;Ny;hx;hy;hz;*...

etwa 10 Jahre vor | 0

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A script that writes all even numbers from 1 to 100
Here is a beginning using while, : N=100; n=1; c=1; while n<N if mod(n,2)==0 E(c)=n;c=c+1; end n=n+1; en...

etwa 10 Jahre vor | 0

Gesendet


Frequency time graph.
Three dimensional graph to represent one dimensional sine waves

etwa 10 Jahre vor | 3 Downloads |

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Replacing part of a matrix with a matrix
you can try : A(1:2,1:2)=0;

etwa 10 Jahre vor | 2

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Beantwortet
What exactly is the "n-point DFT" that fft() computes?
N is the number of points used to calculate the fft, it does not increase physical resolution but adds more point to the spectru...

etwa 10 Jahre vor | 0

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General Question of Matlab.
Maybe you need to to understand the structure of the problem before trying to solving as program, or you try to understand the p...

etwa 10 Jahre vor | 0

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Plotting Gamma Distribution, please help?
It is correct, you just need to exchange pdf with X : plot(x,pdf);

etwa 10 Jahre vor | 1

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How to generate a discrete square pulse, lets say N times?
You can either write the function or use built-in function, here is an example using 1000 samples : N=1e+3; Fs...

etwa 10 Jahre vor | 0

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Problems with snr function
Generally the formula is SNR=20log10(std(signal)/std(noise)) , in your case you have : snr=20*log10(std(xn)/std(ns...

etwa 10 Jahre vor | 0

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convert number to string but keep it the same as it is
You can achieve that command using transformation from matrix to cells, if M is your matrix : M=magic(10); N=siz...

etwa 10 Jahre vor | 0

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Plotting 2-variable Function with integration using MatLab
The problem is in the function *int*, it is designed for symbolic calculation while your work with numerical one, if you have th...

etwa 10 Jahre vor | 0

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