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KALYAN ACHARJYA


1,179 total contributions since 2017

#Image Processing
#Whatsapp+91-8387942066
#Alma-mater Tezpur University India

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Answered
I have to calculate BER(bit error rate ) of OOK(on off keying signal)
I have checked the code, as suggested you the followings points: First one: As the error pointed, use randi insteat on randint...

5 hours ago | 0

Answered
please help with this.
result=[mat1,mat2,mat3,mat4]

6 hours ago | 0

Answered
Display negative results with "i" rather than negative sign
Is this: First one, if OK, do the same for 2nd program n=input ('enter a number between -10,000,000 and 10,000,000: '); if n<-...

7 hours ago | 0

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Answered
How to calculate true positive , true negative, false positive and false negative as we have segmented and ground truth
%Last year I answered this way, you can avoid the loop (Recommended) TP=0;FP=0;TN=0;FN=0; for i=1:400; for...

7 hours ago | 0

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Answered
SNIR formula in MATLAB
Here SINR Please note it was Introduced in R2018a, for detail theory just google. Matlab use: I already provided the Matlab do...

18 hours ago | 0

Answered
Attempt to call constructor figure with incorrect letter case.
No Error: close all; clear; clc; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PARAMETERS %%%%%%%%%%%%%%%%%%%%%%%%%%%% %Number of Nodes ...

19 hours ago | 0

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Delete middle rows in table
table_data([3,4],:) = []; After deletion 5th and 6th rows automaticaly become 3 and 4 rows.

19 hours ago | 1

Answered
how do i plot this?
w1=? % Defined all data w2=? w3= ? w4=? w5=? t=0:0.01:18; v=- 0.056139*cos(t*w1)-3.3986*cos(t*w2)-0.41655*cos(t*w3)-1.127...

1 day ago | 0

Answered
use nested for-loops to generate a matrix (without typing the numbers explicitly)
I want to use nested for-loops to generate a matrix Multiple ways you can do that, as you asked for: init_val=12; for i=1:3 ...

1 day ago | 0

Answered
error message when poles are in RHP
The problem is here for k = 1: tam3 if imag(r(k)) == 0 && real(r(k)) > 0 % select ...real , positive roots r2(l) = real(r(...

1 day ago | 0

Answered
Harmonic to noise ratio calculation
You can use this custom function to calculate harmonic to noise ratio (HNR) To understand in detail theory, read here

1 day ago | 0

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How do I remove 9 random numbers from a shuffled array?
"My question is how do i remove 9 random numbers from this array of shuffled numbers" shuffled_data=randi(35,[1 35]); % Just E...

1 day ago | 0

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How to find out the remaining iterations of the Newton Raphson Method with Jakobi Matrix?
Do the x array indexing, consider x=[......] where x(1) as initial value

1 day ago | 0

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Grouping data in a matrx
time_data=[1 1 1 2 3 3 3 4 4]; data=[10 16 14 18 13 14 23 26 29]; time_data1=unique(time_data); data_result=cell(1,length(tim...

2 days ago | 0

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Answered
solve symbol four equations for c1 c2 c3 c4
solve here

2 days ago | 0

Answered
How to plot log-normal probability with x and y values?
Based on the data provided by you, it shows the following plot. x=[44 38 36 35 27 26.5 26 26 24 23.5 23 23 21 20.5...

3 days ago | 0

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Avoiding coloured pixels in text
Chnage the color of Text, there are multiple features to change the color of the text RGB = insertText(I,position,text_str,'Fo...

3 days ago | 0

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Finding series/pattern in an array
I have answered this question with help of @Jan Answer's here A =[0 0 0 1 3 6 9 10 10 10 10 10 0 0]; d=[true,diff(A)~=0,true];...

4 days ago | 0

Answered
Index exceeds matrix dimensions error message
Yoi defined z3 as scalar, but in the while loop you trying acess it as vectors #Defined here z3=1.23; # while z3(i)>=0 ...

4 days ago | 0

Answered
correlation coefficient of two images
I have tested it with my sample images, there is no issue A=imread('11.png'); % Read any Gray Image [r,c,ch]=size(A); % C...

4 days ago | 0

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how can I seperate magnitude and phase from an image using 2d dft?(fft2)
Do the same for considering two images and show mag1+phase1 and so on, here I have shown how you calculate the mag and phase for...

4 days ago | 1

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Answered
I need to create letter K with 20 pixel by 20 pixel by plotting
"Now I want to know how to rotate this letter 90 degrees" n=5; % size of matrix x=[2 2 2 3 4 4 4 ]; % x-coordinate y=[1 2 3 ...

4 days ago | 0

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Answered
For loop in image translation?
If you want to store in the cell array, may be this one: 3D cell array, due to multiple undefined variables, hence I can't check...

5 days ago | 0

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what does "Undefined function 'f_integration' for input arguments of type 'double' " mean
Because f_integration & K_matrix are not Matlab inbuilt functions, hence you have to defined both function file in the same dire...

5 days ago | 1

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Answered
Write a loop that sums and subtracts elements with a lower and upper limit?
The thing i cannot implement is that the value should stop adding values to P_stored once the value lim_max = 500 is reached and...

5 days ago | 0

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Get (automatically) position of pixels that are white in my binary mask image
"Get (automatically) position of pixels that are white in my binary mask image" Let suppose im1 is a binary image [r c]=find(i...

6 days ago | 0

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Answered
How to solve "Index exceeds the number of array elements (39)."
The problem is here z0Le(i) = z0LtW(i-1); x0Le(i) = x0LtW(i-1); When the loop iterate for first i=1, then, in the else state...

7 days ago | 0

Answered
Capture Matrix Results from For Loop for Plotting - MATLAB
How can this possible, you are trying to plot i vs x, where i is scalar (single value) and x is vector having length 3. x = -...

7 days ago | 0

Answered
vector is not overwritten after certain interation during loop
for a=1:n k=k0+num(:,a); stpx(a)= stpx_0+[stpx(k(1,1));stpx(k(2,1));stpx(k(3,1));stpx(k(4,1));stpx(k(5,1))]; stpy...

7 days ago | 0

Answered
graph cuts result produce two image
Your question is still not clear, but I am trying to answer In the code, "if condition" true, then only it shows first figure wi...

7 days ago | 0

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