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A problem in using imhist to display histogram of indexed image
First i convert the image to an indexed image, and use only 5 colors to show what is my problem. clear img = imrea...
oltre 9 anni fa | 1 risposta | 1
1
rispostaWhen i make simulation, the plot at workspace is different the plot at scope?? .. I want the plot at workspace same as the plot at scope
Hi Use simulation time vector to plot in command widow, maybe the simulation ran with variable steps. Something like this: ...
oltre 10 anni fa | 0
| accettato
use evalfis to read input under a range
In your code, input isn't same as [88 134 144]. They are logical (0,1): evalfis([88 134 144]) but: evalfis([0 1 1...
circa 12 anni fa | 0
| accettato
Open many files using uiopen or uigetfile
filename = uigetfile('*.*', 'All Files (*.*)','MultiSelect','on');
circa 12 anni fa | 1
| accettato
Risolto
Create an 8-color version of an image
This problem was inspired by a tweet I saw from @MATLAB regarding <http://www.mathworks.com/matlabcentral/fileexchange/37816-the...
circa 12 anni fa
How to use find function in cell array
C = {100*rand(100,2);100*rand(100,2);100*rand(100,2)}; X = cellfun(@(x) find(x(:,1)<27),C,'Un',0);
circa 12 anni fa | 0
A moving point plot in MATLAB figure with animation.
n = 50; XY = 10 * rand(2,n) - 5; for i=1:n plot(XY(1,i),XY(2,i),'or','MarkerSize',5,'MarkerFaceColor','r') ...
circa 12 anni fa | 3
| accettato
Generate gaussian random points in 3D space with a given mean position.
m = [2 0 2]; s = 1; n = bsxfun(@plus,m,s.*randn(100,3)); plot3(n(:,1),n(:,2),n(:,3),'.r') M = mean(n,1) S =...
circa 12 anni fa | 2
Write in Excel With Matlab on continues Cells
First put your data in a cell array then write it: rangT = 1:10; maximox = rand(10,10); fprintf('Select file locati...
circa 12 anni fa | 0
| accettato
how to eliminate the error
@time ===> @times s1.coefs=bsxfun(@times,s1.coefs(:,1:end-1),s1.order:-1:1)
circa 12 anni fa | 1
| accettato
how to draw a temperature distribution on (x,y,z)?
t defines color: [x y] = meshgrid(-10:0.1:10); z =zeros(size(x)); z(x+2*y>-9 & 2*x+y<9 & x-y>-10 & x-y<15) = 1; ...
circa 12 anni fa | 0
Stor data in a vector
p_t2=1:1000 pt2=1:40 JJ=[]; for z=1:40 for v=1:25 XX=p_t2(v)./pt2; JJ=[JJ sum(XX)]; ...
circa 12 anni fa | 0
| accettato
im trying to make array of images s1,s2,s3 and s4 and want to show them in different figures ........... what is wrong over there? .........
clear arr={s1,s2,s3,s4}; for i=1:4 b=imread(arr{i}); figure imshow(b); end
circa 12 anni fa | 0
| accettato
how to use "if" statement properly?
A=rand(10,1); B=rand(10,1); z=B./A; z(z<1)=-1./z(z<1)
circa 12 anni fa | 1
how to draw circles with different radii
n=10; X=rand(n,1)*10; Y=rand(n,1)*10; R=rand(n,1)*3; P=[0:0.1:2*pi 0]; xr=R*cos(P); yr=R*sin(P); X_C=bsxf...
circa 12 anni fa | 1
inverse laplace transformation and plot of transfer function
Why residue(b,roots(a))? b=[0,-1.387778780781446e-017, -2.775557561562891e-017, 3.333333333333329e-005]; a=[1.0000000000...
circa 12 anni fa | 0
| accettato
Getting element row and column (index location) out of a matrix?
Resultant=rand(10,10); [B,IX] = sort(Resultant(:),'descend') [r c] = ind2sub(size(Resultant),IX(1:5))
circa 12 anni fa | 1
| accettato
histogram of 3D intensity image and normalize the intensity by linearly fitting the histogram to the ICBM-152
A=uint8(randi(256,256,124,256)-1); H1=imhist(A(:)); % Or %H2=histc(A(:),0:255); B=imread('cameraman.tif'); ...
oltre 12 anni fa | 0
Risolto
Distance walked 3D
suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...
oltre 12 anni fa
Risolto
Omit columns averages from a matrix
Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...
oltre 12 anni fa
Risolto
Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
oltre 12 anni fa
Risolto
Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
oltre 12 anni fa
Organize data as vector matrix and do calculation ?
lightV = zeros(1, 1, 3); lightV(1,1,1) = 0.5; lightV(1,1,2) = 0.4; lightV(1,1,3) = 0.7; [Az El] = meshgrid(0:60:36...
oltre 12 anni fa | 0
Howto arrange panels in desktop
After adding editor panel in position [1,2], drag workspace panel and drop it in right half of editor panel: <<http://snag.g...
oltre 12 anni fa | 0
| accettato
Export to a fixed width text file
A={'s09' 1111222003 321 'P' 'ehz';'z09' 1011222003 321 'O' 'edz'}; A=cellfun(@num2str,A,'Un',false) B=strcat(A(:,1),{' ...
oltre 12 anni fa | 0
horzcat error while using ' '
names=['john'; 'ravi'; 'mary'; 'xiao'] howdy=['10'; '20'; '30' ;'40'] result=[names repmat(' ',4,1) howdy]
oltre 12 anni fa | 0
| accettato
How to evaluate dirac function in matlab?
syms x; y=diff(dirac(x),x) subs(y,1)
oltre 12 anni fa | 1
Risolto
Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
oltre 12 anni fa
Risolto
Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
oltre 12 anni fa
Risolto
Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
oltre 12 anni fa
