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

oltre 13 anni fa | 0

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Risposto
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...

oltre 13 anni fa | 1

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

oltre 13 anni fa | 0

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

oltre 13 anni fa | 8

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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')

oltre 13 anni fa | 0

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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 ...

oltre 13 anni fa | 0

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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')

oltre 13 anni fa | 0

Risposto
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; ...

oltre 13 anni fa | 1

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Risposto
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...

oltre 13 anni fa | 1

Risposto
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

oltre 13 anni fa | 0

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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

oltre 13 anni fa | 0

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Risposto
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...

oltre 13 anni fa | 1

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Risposto
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;

oltre 13 anni fa | 2

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Risposto
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 ...

oltre 13 anni fa | 0

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Risposto
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...

oltre 13 anni fa | 0

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Risposto
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...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 1

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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+...

oltre 13 anni fa | 0

Risposto
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...

oltre 13 anni fa | 0

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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)

oltre 13 anni fa | 0

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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) ...

oltre 13 anni fa | 1

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Risposto
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...

oltre 13 anni fa | 1

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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...

oltre 13 anni fa | 1

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

oltre 13 anni fa | 0

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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')

oltre 13 anni fa | 0

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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...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 0

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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...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 0

Risposto
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

oltre 13 anni fa | 0

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