Community Profile

photo

Rabih Sokhen


Last seen: 21日 前 2021 以来アクティブ

Statistics

  • Thankful Level 4

バッジを表示

Content Feed

表示方法

質問


how to slice a 3d array with slider?
Code: clear all clc y=randn(10,10,10); h = uicontrol('style','slider','Min',0,'Max',100,'Value',0.01, 'callback',@(src,evt)d...

約2ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to plot only non zero value of a slicing of a 3d matrix?
Hello everyone, I am trying to slice a 3d array over the x direction, however, I would like to plot only nonzero values of ev...

3ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to factor a analytic expression ?
clear all clc syms x A=x.^2+x i would like to factor A in a way that's A =x(x+1) thank you

5ヶ月 前 | 1 件の回答 | 0

1

回答

質問


why my fft does not match my convolution ?
hy guys, i am trying to verify that g(w)=fft( h_t . x_t) = conv( h_f,x_f) h_t is my impulse response in the time domain x_t is...

5ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to scale fft?
hy guys. i have a question concerning the scaling in fft . i have seen alot of code on this forum, but some of the code scale ...

6ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to fix broad band in fft?
Hy guys. I'm trying to obtain the fft of a array. however the result are coming out to be braod band, i expected to get bands...

6ヶ月 前 | 0 件の回答 | 0

0

回答

質問


How to shift from convolution product to the scalar product with arrays?
hy guys, hope you are doing well I know that the product of the 2 signals in the frequency domain is equal to the Fourier trans...

6ヶ月 前 | 0 件の回答 | 0

0

回答

質問


how to deconvolute a array ?
hy guys i would like to deconvolute a matrix code: clear all clc a=rand(10,3); b=rand10,3); %b=conv2(a,c) ...

6ヶ月 前 | 1 件の回答 | 0

1

回答

質問


why my deconvolution want fit my analytique form?
hy guys, i am trying to deconvolute a signal to refind my 2 initial signals, however when a = sinc(f) my deconvolution want ...

6ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to deconvolute a matrix?
hy guys, i would like to deconvolute a matrix but i didn't find a 2d deconvolution function , any idea how to do that witho...

6ヶ月 前 | 3 件の回答 | 0

3

回答

質問


why fft (exp(-t)) don't fit my analytique expression?
Hey guys, I am trying to find the fft of exp (-t). Also, I know that's the fft of (exp (-t)) is --> 1/(1+i*2*pi *f) I tried...

6ヶ月 前 | 2 件の回答 | 0

2

回答

質問


how can i use my function directly on a array without having x and y?
the code is: function img(x,y,a) imagesc(x,y,a); set(gca,'YDir','normal'); ...

7ヶ月 前 | 2 件の回答 | 0

2

回答

質問


How to create a custom grayscale colormap between white and black?
How to create a custom grayscale colormap between white and black? In a way the maximum value of an array is back and the minimu...

7ヶ月 前 | 1 件の回答 | 0

1

回答

質問


is there any function similare to pixelinfo but for pcolor ?
is there any function similare to pixelinfo but for pcolor ?

7ヶ月 前 | 0 件の回答 | 0

0

回答

質問


how to add grid to imagesc?
clear all clc a=rand(20,50) x=linspace(-1,1,20) y=linspace(-1,1,50) imagesc(x,x,a) I would like to add grid only at the ...

7ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to pcolor all value of a matrix ?
clear all clc a=[100 0 50; 30 5 100; 80 50 0] b=[a ;a(end,:)] ; b=[b b(:,end)] subplot(1,2,1) pcolor(a) subplot(1,2,2) ...

7ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to get the argument and the modulus of a analytic complex function?
clear all clc syms a b c z=a*exp(i*b*c) arg=angle(z) mod=abs(z) as a result in the command window i am getting : ...

8ヶ月 前 | 1 件の回答 | 0

1

回答

質問


How to find the modulus, conjugate and the derivation of a complex number in an analytic form?
clear all clc syms a b c d z=a*b*exp(i*c) i would like to find the modulus square of z by writing abs(z).^2 , the conjugat...

8ヶ月 前 | 0 件の回答 | 0

0

回答

質問


how to save variable as txt in a specified location with variable value appearing in the file name
clear all clc a=1; % amplitude du faisceau gaussien x=linspace(-50,50,100); dx=50/2.355; % widthn f=a*exp(-0.5*(x./dx).^2);...

9ヶ月 前 | 3 件の回答 | 0

3

回答

質問


how to read data file.trc with a for loop?
hello guys i have the following files: test1.trc , test2.trc , ..... test20.trc " all the followings files are"ReadLeCroyBin...

9ヶ月 前 | 1 件の回答 | 0

1

回答

質問


derive with fft and ifft
clear all clc z=50; x=linspace(0,2*pi,z); a=cos(x); % derive while using ifft k=1./x; tf_a=1i.*k.*fft(a); da=ifft(tf...

10ヶ月 前 | 0 件の回答 | 0

0

回答

質問


how to find the nearest value?
hello guys suppose i have a vector[s] A=[ 1 2 3 4 5 6] B=[6.1 5.1 4.1 3.1 2.1 1.1] and position_A=[10 20 30 40...

10ヶ月 前 | 2 件の回答 | 0

2

回答

質問


how to solve error using integral
clear all clc qu=linspace(-2*pi,2*pi,126); x=linspace(-2,2,126); y=2*x; psi=(-x./sqrt(qu/2)+sqrt(y)/sqrt(exp(-2*asinh(sin(q...

10ヶ月 前 | 2 件の回答 | 0

2

回答

質問


how do i integrate one vector by using "intergral function" and not trapz ?
code: i have a complexe double vector f (1x25) and i want to integrate f over -pi and pi, i used it: phase=1i*integral(f,-pi,...

10ヶ月 前 | 1 件の回答 | 0

1

回答

質問


why my integral is not a numerical value?
code: z=100; n=100; m=70; qu= linspace(-2*pi,2*pi,m); theta=linspace(-2*pi,2*pi,n); qq=2*pi+pi*(-1.8); target_qq=ceil(z...

10ヶ月 前 | 1 件の回答 | 0

1

回答

質問


how to zoom on a figure with multiple axes
hello guys i am trying to creat a plot with 4 axes, but wen i try to zoom on the following plot, only 2 axes are modifed " the...

1年以上 前 | 1 件の回答 | 0

1

回答

質問


how to read and plot a .trc file?
hello guys i have a trc file named 'c01-00.trc' but i don't know how to read it and plot it in matlab i tried using fileread...

1年以上 前 | 1 件の回答 | 0

1

回答

質問


Unrecognized function or variable 'writevideo'.
hello guys i'm getting this type of error: Unrecognized function or variable 'writevideo' in my following code : close all a...

1年以上 前 | 1 件の回答 | 0

1

回答

質問


any idea where can i learn the basics of gca gcf set and get
i am new using this type of code: hAx(1)=gca; hAx(2)=axes('Position',hAx(1).Position,'XAxisLocation','top','xlim',[x2(1) x2(en...

1年以上 前 | 1 件の回答 | 0

1

回答

質問


how to label second x and y axes
hello guys in the following code, i don't know how to label the x axis on the top and the y axis that's on the right anybody ...

1年以上 前 | 1 件の回答 | 0

1

回答

もっと読み込む