Answered
picking rows which has negative element.
Hi a=randn([5 5])+1 Nrows=sum(a<0,2); a(Nrows>0,:)

12 years ago | 0

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Answered
how to create noise manually to a color image without imnoise function explain with example?
Hi. For gaussian noise with standard deviation of S: clear S = 20; I = imread('peppers.png'); J = double(I) + S.*r...

12 years ago | 1

Answered
Loop to generate n random series (filling a matrix?)
Maybe this: for i=1:1000 x(:,i)=simBM(n,delta,mu,sigma); end

12 years ago | 0

Answered
how can i check that my image is rgb
Hi if size(a,3)==3

12 years ago | 8

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Answered
how to make a single plot with different colors?
Hi x=1:10; y=1:10; plot(x(1:5),y(1:5),'r') hold on plot(x(5:10),y(5:10),'g')

12 years ago | 0

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Answered
Problem with implementing RLC function...
Hi img =[1 1 0 0 0 1 0 1 1 1 0 0 1 1 0 1 0 1 ...

12 years ago | 0

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Answered
Issue with writing multiple variable to excel sheet
Hi a=[1 1 1]; b={'name'}; xlswrite('New.xlsx',a,1,'A1') xlswrite('New.xlsx',b,1,'D1')

12 years ago | 0

Answered
How to get tau for every c and plot a c vs tau graph
Hi clc clear close all r=3.3; K=898; alpha=0.045; d=1.06; h=0.0437; theta=0.215; ...

12 years ago | 1

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Answered
while loop question number 2
Hi A=[ 79, 970108, 1, 5, 0.088, 6.383 79, 970108, 1, 25, 0.075, 4.380 79, 970108, 1, 45, 0.094, 0.7...

12 years ago | 1

Answered
To find aspect ratio of an image using matlab
Hi. I think n/m: E = imread('peppers.png'); m=size(E,1); n=size(E,2); AR=n/m

12 years ago | 0

Answered
How do I reduce an {nxm(3x1)} cell to a an {nx{3xm}} cell?
Hi New_Cell={}; for i=1:n New_Cell{i,1}=cell2mat(C(i,:)); end

12 years ago | 0

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Answered
How to write out multiple mat files, for some kind of regression suite testing?
Hi Diff_Freq_Array = [5, 8, 10, 12, 14]; for i = 1: length(Diff_Freq_Array) Freq = ((Diff_Freq_Array...

12 years ago | 1

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Answered
How do I create this vector: [10,8,10,8,10, ...]?
Hi a=zeros(1,100); a(1:2:99)=10; a(2:2:100)=8;

12 years ago | 2

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Answered
Fuzzy parameters in Fuzzy Interface Structure
Yes, and use centroid deffuzzification method to compute output. You can change the 'and', 'OR' ,... methods in FIS Properties ...

12 years ago | 0

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Answered
How can I find the n smallest numbers in a two-dimensional array of m numbers?
Hi. n=4; a=[236 245 145 244 112; 225 232 266 111 212]; [r c]=size(a); a = a'; vector=a(:); [B,IX] = sort(vec...

12 years ago | 0

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Answered
half of the progarm showing error
Hi. you need to correct these lines: c1=[c1 cc1c1c1c1c1c1c1c1 c1]; c2=cos(t2); c2=[c2 c2c2c2c2 c2]; I edited it...

12 years ago | 0

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Answered
how to convert matlab program to simulink block.
You can use Matlab Function block: Simulink ===> User-Defined Functions ===> Matlab Function

12 years ago | 1

Answered
How do i read a string with a for loop.
Hi input = 'aaaaabaacaadaae'; n=1; for i=1:3:size(input,2) New{n}=input(i:min(i+2,size(input,2))); n=n+...

12 years ago | 0

Answered
avoid overwrite with xlswrite
Hi. You can use a number after your output file name: n=1; excelFileName=sprintf('sac_%d.xls',n); or excelFil...

12 years ago | 0

Answered
How do I specify the ranges of atan2?
I replaced x and y in atan2d: [x,y]=meshgrid(1:-0.1:-1); m = atan2d(x,-y)+180; mesh(x,y,m)

12 years ago | 0

Answered
how to write matlab code for moments?
You may need to convert your input image to double. In uint8 numbers greater than 255 became 255. function [M]= moments(I) ...

12 years ago | 1

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Answered
Need help with fractal tree plot.
Hi This works for r=1: %To run this file in the command window, call the function fractal_tree1 %and input the approp...

12 years ago | 1

Answered
Using a Symbolic Expression
Hi syms a b c; SymExpr = a*b*c; x=subs(SymExpr,[a b c],[1 2 3]) or syms a b c; SymExpr = a*b*c; a=1;b=2...

12 years ago | 1

Answered
How can i implement least squares of the difference between 2 matrices?
Hi Error= g-u; MSE=mean(Error(:).^2)

12 years ago | 0

Answered
while processing a code for Image enhnacement..i am getting the following error could you please explain..?
The error says why. Your input is not RGB. Try: size('your input')

12 years ago | 0

Answered
How to split and replace value of cell array ?
This code may help you: cell_array_1=cell_array(:,1:27); cell_array_2=cell_array(:,28:39); for i=1:39 for j=1...

12 years ago | 0

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Answered
Shifting operations and bitwise logical operations with binary numbers
a=200 b=dec2bin(200) c=shift(b,3)

12 years ago | 0

Answered
How to merge data in excel files?
Hi Data=xlsread('name.xlsx'); Data(isnan(Data))=0; for i=1:4 Output(:,i)=[i; sum(Data([false true true true],D...

12 years ago | 0

Answered
How to want to define a matrix whose name is a value of another variable
Hi V='abc'; u=rand(3);eval([V '=u']);

12 years ago | 0

Answered
Split array in sub arrays according to growing value in first row
Hi m=[1 1 1 2 3 3;randi(10,2,6)]; c={}; for i=min(m(1,:)):max(m(1,:)) c{i}=m(:,m(1,:)==i); end

12 years ago | 0

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