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What is wrong with this code? Need help.
y=diff(x(m,n,1))/dt; %% Error Message at this line: Index exceeds matrix dimensions Yes, see the reason: >> m m = 2...

7 years ago | 0

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Gray2bin conversion
How to get graycode values for K? K=[1 2 0 9]; K_1=dec2bin(K); K_2=bin2dec(K_1)

7 years ago | 0

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How to draw horizontal lines on set of images
Images=dir('C:\complate_path\folder_name\*.tif'); outDirectory='C:\complate_path\folder_name_to_save\'; for i=1:length(Images)...

7 years ago | 0

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Answered
store which iterations that the error took place
l=1; error_iter=[]; for i=1:iter % do operation if error %error condition error_iter(l)=iter l=l+1; end end error_iter...

7 years ago | 0

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separating r g . b's from a colour image
You are doing right. im = imread('forest.jpg'); r_plane=im(:,:,1); g_plane=im(:,:,2); b_plane=im(:,:,3); subplot(311),imsho...

7 years ago | 0

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Answered
Error using for loop with transfer function
num=25; i=1; cell_data=cell(1,6); for eta=0:0.2:1 den=[1 2*eta*5 0]; G=tf(num,den); H=feedback(G,1); cell...

7 years ago | 0

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Get coordinates of edges - Image Processing
Lets say image_test is the output binary image (After Roberts Method) data=corner(image_test); r_data=data(:,1); c_data=data(...

7 years ago | 0

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How to Split one Large Matrix Into Smaller Matrices
What would be the best way to go about taking my currently ugly data and putting it into a usable format? One Way: data_file=...

7 years ago | 0

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problem in creating function
First you have to create the function and save in different Matlab file, the file name must be same as function name, in your ...

7 years ago | 0

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Plotting all the columns of a matrix
I want to plot columns of two matricesZ_imag and Z_real in two separate graphs. I assumed, stack bar plot of individual colu...

7 years ago | 0

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find specific value from each row from matrix (Index, and number)
I need to obtain only in each row if there is a number lower than 4 or not, I need both the index, and the real value X=magic(...

7 years ago | 0

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Solve systems of linear equations Ax = B for x
ans = 0.9000 1.7000 How to find 0.9 and 1.7 exactly?? format shortg; A =[1 3 4 2]; b= [6 ;7]; A\b R...

7 years ago | 0

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Can I draw the figure with the help of MATLAB code ?
Please note: I have done the Jugaad here. I have no idea what the plot represents? I tried it for 10 minutes, hence I posted i...

7 years ago | 1

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3D Array Multiplication with 2D Matrix
data1=rand(500,10,32);% 3D Array data2=rand(1,500); %1x500 mat result=data1(1:500,1,1)*data2; %Multiplication

7 years ago | 1

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Answered
how to generate absolute difference between two different histograms
data1=randi(100,1,100); % Just an example data2=randi(100,1,100); % Just an example diff=abs(hist(data1)-hist(data2)); resu...

7 years ago | 0

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Detection Rate Equation formal
Both are true, but represents the two different terms True Positive Rate: TP / (TP+FN); True Negative Rate: TP / (TP+FP); ...

7 years ago | 0

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several initial conditions in a loop
One way % Define Intital conditions % or load in txt/exel file num_iter= ?? % Define for i=1:num_iter % Call the different...

7 years ago | 0

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Using fprintf for complex numbers
One Way: Z1= sqrt(3) * exp((pi*i)/4) fprintf('%f + %fi',real(Z1),imag(Z1)) More: Z1= sqrt(3) * exp((pi*i)/4); Z2= 2 * exp((...

7 years ago | 1

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Answered
Generate random numbers in a loop and then store them
First question, is there a code that store non-zeros rows? See this example: A=randi(10,2,4); A(3,:)=0; % Store Non Zero row...

7 years ago | 1

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issue in niqe function
May be, you are using the Matlab version before R2017b This function Introduced in the year 2017b

7 years ago | 0

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Subscript indices must either be real positive integers or logicals with minimum and maximum values
Change the variable name min and max to different one say min1 or max1 min(:)=[y1min y2min y3min] max(:)=[y1max y2max y3max]

7 years ago | 0

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Answered
Reflecting a Curve on a Graph
x=0:0.5:10; y=exp(2.*x/3); plot(y); Set the scale range (values) as per requirements

7 years ago | 1

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Write a script that given a vector, called A, of n numbers, outputs the index of the first number divisible by 3. Sample Output: Given A = [5, 4, 6, 7, 3] divisible by 3 is:3
A = [5, 4, 6, 7, 3]; idx=find(mod(A,3)==0); % Gives the index number / Position disp(A(idx)); % Gives the those idx number in ...

7 years ago | 0

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How to make a loop
"with this format, the matrix considers all the values for me, but I only need those that fall in length n" x=(0:1:100); n=i...

7 years ago | 0

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Sensitivity Analysis for a linear model
"I am trying to understand how certain parameters affect the ouput in the code attached. I want to understand how changing one p...

7 years ago | 0

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how can i Identify similar or identical images
Use SSIM and Matlab documentation SSIM here OR If Images are gray Images, you may use subtract from each other, minumum subtra...

7 years ago | 0

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Help in image processing - how to count the number of black shapes on white image
gray_image=imread('3.bmp'); % Improve the Thresholding to get more accurate answer % Here I have used Global image threshold u...

7 years ago | 0

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Square matrix input, output same elements in upper right triangle
>> magic(6); >> triu(ans); Here B=[-6 0 4; -2 8 3; 7 0 1]; result=triu(B) Also, you can do the same in multiple ways (witho...

7 years ago | 0

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Answered
Problem in plotting the string variable
Rough_y=[4;5;8;3;12;14;9;11;17;17;11;14;19;25;15] Station=['a';'b';'c';'d';'e';'f';'g';'h';'i';'j';'k';'l';'m';'n';'o'] plot(R...

7 years ago | 0

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Plotting 3D of Bessel equation using Matlab
Use this custom function

7 years ago | 0