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good morning everyone can anyone answer me this question ? i have an error in the matlab code
To avoid the error, you must define the t_obs size as 2x3 format shortG sou_y = [5 10]; rec_y = [5 25 40]; t_obs = [0.1000...

6 years ago | 0

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Use Gamma correction to process images, and then display related images.
Yes, its simple c= % constant value gamma= % Brigther gamma>1 or varry it & see...

6 years ago | 1

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Answered
draw a line at the coordinates and paint it
a=[110 120 70 140 150] b=[20 30 40 50 80] red=[3 2 1 2 3] plot(a,b,'r','linewidth',10) %........^ color..........^ width of ...

6 years ago | 0

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Differentiate 1*300 vector array
diff data=rand(300,1); result=diff(data)

6 years ago | 0

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need suggestions on noise removal from scanned handwritten note
Dear Steve, Just for normal filtering, you can try in a different way, as the exact algorithm will be based on resultant enhan...

6 years ago | 0

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comparing 3x3 block with center pixel
Self Declaration: Odd Way but simpler for i=2:Row-1 for j=2:Col-1 if (mat(i,j)<mat(i-1,j-1)+mat(i,j)<mat(i,j-1)+m...

6 years ago | 0

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Average of Wave from 10 waves in single graph
Lets say wave are y1,y2,y3.....up to y10..assuming all are having in same x scale aveg_data=(y1+y2+y3...+y10)/10; plot(x,aveg...

6 years ago | 1

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concatenate column values in a vector
Simpler way: v=[1,0,1,0]; result=str2num(sprintf('%1d',v)) here the same question Credit: @per isakson Result: result = ...

6 years ago | 1

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Answered
Plotting Time Sequence in MATLAB
Is this way? x=1:16; y=linspace(0,1,16); plot(x,y,'Db','linewidth',5); hold on; plot(x(1:5)+10,y(1:5),'Db','linewidth',5); ...

6 years ago | 0

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code error for Two Point Boundary Value Problem
I did not find any coding error in your code, just save the task14 function file in the same directory. You can call the saved t...

6 years ago | 0

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normalize values from svd matrix
Want to normalize only the first three values of my matrix x=norm(1:3)

6 years ago | 0

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Calculate derivative using central differencing
Is this? dx=0.01; x=0:dx:2*pi; signal=sin(x).*cos(10*x); diff_cen=(sin(x+dx).*cos(10*(x+dx))-sin(x).*cos(10*x))/(2*dx); d...

6 years ago | 0

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Answered
Storing data from a function into and array to be recalled?
a = arduino('com3', 'uno'); s = servo(a, 'D10','MaxPulseDuration', .0025, 'MinPulseDuration', .0005); n = 60; x=zeros(1,n); ...

6 years ago | 1

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Answered
How can I get the intensity of individual pixel and average intensity of all from a given image
"How can I get the intensity of individual pixel and average intensity of all from a given image" "get the intensity of individ...

6 years ago | 0

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How to draw a zigzag line in MATLAB?
x=randi(100,[1,10]); y=randi(100,[1,10]); line(x,y)

6 years ago | 0

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Array indices must be positive integers or logical values.
Please check it has modified (slightly), no need of loop here. omega=2*pi*10; t=0:0.001:10; f=linspace(0,500,length(t)); n=1...

6 years ago | 1

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Answered
Find column where one value is NaN
"Find column where one value is NaN" a=[0.5, NaN, 0.5, 0.5, 0.5; 0.5, NaN, 0.5, NaN, NaN]; [r,c]=find(isnan(a)); col_data...

6 years ago | 1

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Log graphic and matrix problem
Try with (element wise operation) .^

6 years ago | 0

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The surface Z must contain more than one row or column.
Is this? Please make C and D vectors with same girds points p=2; %range and domain of the graph a=-p:0.1:p; b=-p:0.1:p; [A,B...

6 years ago | 0

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Log display problem semilogx
a=5; b=2; x=0.0001:1000000; y=a*x+b; figure semilogx(x,y)

6 years ago | 0

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Plot, fitness function.
Please note I have consider random x value here, please change as per the data. Also there is no role of gama in fitness, as gam...

6 years ago | 0

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how to sum a 9 matrice in a for loop ?
"May the question is: how to sum a 9 matrices elements in a for loop?" No need of loop, here mat is given matrix result=sum(m...

6 years ago | 0

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how to calculate euclidean norm of two points?
As you mentioned ||x-y||^2 (abs(x-y))^2 If not, please do read here the theory and tell us the expression

6 years ago | 0

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Bar charts with different colors
One way: SC01_LS02_TVSR_112=[0.0127 0.0139 0.0058 0.0112 0.0048 0.0126 0.0037]; col=['r','y','b','k','b','k','y']; % Decide co...

6 years ago | 0

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How can I select y data given a certain x value?
load Zn1.txt Zn1_data=Zn1; V_Zn1=Zn1_data(:,1); A_Zn1=Zn1_data(:,2); AA_Zn1(find(V_Zn1~=-1.7001))=0; Is This? "I would li...

6 years ago | 0

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find jordan canonical form of a matrix
J=jordan(A); % where A is Given Matrix Or In your code J represents the same https://in.mathworks.com/help/symbolic/sym.jordan...

6 years ago | 0

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How can I plot symbolic expression
fplot

6 years ago | 0

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How to remove candidates which are present on blood vessels?
"I have two images ,one is the candidates image and the blood vessels image.I have studied that candidates won't occur on blood ...

6 years ago | 0

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Is my uint16 image matrix and RGB image?
Are the unit16 images an rgb images? Is there a way to determine that? No, it doesnot mean that, this mean data types Check th...

6 years ago | 0

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How can I show this text in the command window?
fprintf and disp

6 years ago | 0

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