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# TULIKA

Active since 2014

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output problem for penumbral blur. plzzzz check the program
X =linspace(-8,8,10); g=.000080; Lambda=.000000001; R1=(1.-(X.^2)); H=(exp(i*2*pi.*R1)).*g/Lambda; ...

9 years ago | 0 answers | 0

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Question

error in multiply a square wave and Fresnel function and plotting it...
[X,Y] = meshgrid(-2:.2:2);lambda=.000000001;z=.000010;R =X.^2; F = exp((i.*pi.*R)./(lambda.*z)); mesh(imag(F...

9 years ago | 1 answer | 0

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Question

this program didn't give proper output due to value...plzzz check
* *In this case, D1 = 10 m, D2 = 50microm,sigmad= 0.25 mm;lamc=15*10^-4;lamd=10*10^-4;* * now the program didn'...

9 years ago | 0 answers | 0

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Question

x = [0:.1:5]; w=1; t=2; lm=233*10^-9; k=2*pi/lm; f1=sin(k*x-w*t); f2=sin(k*x-w*t); f=f1+f...

9 years ago | 1 answer | 0

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Question

i have an output of the following code...but i need to do haar wavelet transform of that output.PLEASE HELP ME IN CODING
I3=zeros(150,150); I3(10:140,10:53)=1; I3(10:140,56:93)=1; I3(10:140,96:140)=1; imshow (I3, []); title('picture...

9 years ago | 1 answer | 0

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Question

convolution of two image in frequency domain?
x= 1:150;y=1:150; [p,q]=freqspace(150); [X,Y]=meshgrid(p,q); R=(X.^2 + Y.^2); Lambda=633*10^-9; dis=10*10^-3; F = (exp(i.*...

9 years ago | 1 answer | 0

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Question

convolution of the two image
<</matlabcentral/answers/uploaded_files/17189/image.jpg>> i have to code convolution of the two image(the greyimage output a...

9 years ago | 1 answer | 0

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Question

RGB TO GRAY ERROR
x= 1:150;y=1:150; [p,q]=freqspace(150); [X,Y]=meshgrid(p,q); R=(X.^2 + Y.^2); Lambda=633*10^-9; dis=10*10^-3; ...

9 years ago | 2 answers | 0

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Question

how to get fresnel diffraction output using freqspace????????i need circles in output which have less frequency near the centre and far away more frequencies...
Lambda=633*10^-9; >> dis=10*10^-3; >> x= [1;150]; >> y=[1;150]; >> [p,q]=freqspace([1 : 150]); >> [X,Y]=meshgri...

9 years ago | 0 answers | 0

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Question

IS THERE ANY PROBLEM IN THIS PROGRAM OF FRESNEL DIFFRACTION
Lambda=633*10^-9; z=10*10^-3; x=1:150; y=1:150; [p,q]=freqspace([1 150],’whole’); [X Y]=meshgrid(p,q); R=(X....

9 years ago | 1 answer | 0

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Question

how to multiply an image by a cosine(x) function?
i've tried but there shows some dimension problem....plzz give an exam

10 years ago | 1 answer | 0