geometry geometry

Last seen: environ 3 ans il y a | Actif depuis 2017

Followers: 0 Following: 0

Statistiques

Afficher les badges

Feeds

Question

Deblurring image with deconvolution
I have a picture 'image.jpg' that is blurred with function sin(x+y). How can I deblur it with deconvolution?

plus de 7 ans il y a | 1 réponse | 0

0

réponse

Question

How can I clear the noise from a picture
Assume that a picture is multiplied by the noise sin(Ax+By). how can I clear the noise using deconvolution?

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question

Where is the problem with my code. it never ends !!
What is the problem with the following code? It calculates the exponential coefficients fo fourier series of periodic functio...

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question

creating function matlab code
How can write a function DFT(x) (in terms of jw) such that for the given discrete signal x[n]: <</matlabcentral/answers/uploa...

plus de 7 ans il y a | 1 réponse | 0

0

réponse

Question

Error: Conversion to logical from sym is not possible.
Why I get the error in title? syms x h myconv myconv=0; h=0; x(n)=(1/2^(-n+1))*(heaviside(n+2)-heaviside(n-2)); ...

plus de 7 ans il y a | 1 réponse | 0

0

réponse

Question

why I get error using stem?
I tried this code to stem the convolution of two discrete time signals x and h without using conv function. but I get error e...

plus de 7 ans il y a | 1 réponse | 0

0

réponse

Question

why I'm getting error with symsum?
I have tried this code to calculate energy and power of discrete time functions. but I get errors. how can I fix it? syms ...

plus de 7 ans il y a | 1 réponse | 0

0

réponse

Question

Calculating energy and power of a signal
I tried this code to calculate energy and power of the input function f(x). but I get error. how can I fix it? syms x y z e...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question

why is my plot shows nothing?
why is my plot shows nothing? syms w w=-1*10*pi:0.005:10*pi; plot(w,sqrt(w.^2+w.^6)/(1+w.^4),'b');

plus de 7 ans il y a | 3 réponses | 0

3

réponses

Question

how can I write a function y(n) in terms of function x(n)?
I run this code and I get error. (the error is for function y which contains function x in its defenition). how can i fix this e...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question

Showing data values on markers in figure
When I run: x=0.4:3.6; x1=[.4 1 1.4 2 2.4 3 3.6]; y1=[17.25 33.6 36.72 37.2 36.8 36.75 32.7]; plot(x1,y1,'Marker','s...

presque 8 ans il y a | 1 réponse | 1

1

réponse

Question

Plotting dirac delta function's spectrum
I used the following code to plot the spectrum of some functions. but it doesn't work for the function dirac(t-t0) at t0=0. How ...

presque 8 ans il y a | 1 réponse | 0

1

réponse

Question

Error using plot ; spectrum of function
Why I get error using the following code? syms t w; syms g h; g=fourier(exp(-1*(t^2))); h=abs(g); w=-10.1:10.1; plot...

presque 8 ans il y a | 2 réponses | 0

2

réponses

Question

Polar : ERROR: Data must be numeric, datetime, duration or an array convertible to double.
In this code I want to enter the function f(r) in terms of 'r' and then plot its figure with polarplot and calculate grad(f(r)) ...

plus de 8 ans il y a | 1 réponse | 0

1

réponse

Question

Error: The size of X must match the size of U or the number of columns of U.
What's the problem with this code? when I run it the following Error occurs: Error using quiver The size of X must match ...

plus de 8 ans il y a | 2 réponses | 0

2

réponses

Question

How to use gradient?
what is the problem with the following code? f=input('enter function: ','s') [DX,DY] = -gradient(f); f = str2func(['@...

plus de 8 ans il y a | 2 réponses | 0

2

réponses

Question

Error using contour: Z must be at least a 2x2 matrix.
What's the problem with the following code? f=input('enter function: ','s'); f = str2func(['@(x,y)' vectorize(f)]); [...

plus de 8 ans il y a | 1 réponse | 0

1

réponse

Question

ERROR: Z must be a matrix, not a scalar or vector.
What's the problem with the following code? syms x y; f=input('enter function: ','s'); f = symfun(eval(f), [x y]); [...

plus de 8 ans il y a | 1 réponse | 0

1

réponse