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Iman Ansari


Last seen: 1年以上 前 2013 年からアクティブ

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質問


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...

約8年 前 | 0 件の回答 | 1

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When 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: ...

9年弱 前 | 0

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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...

10年以上 前 | 0

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Open many files using uiopen or uigetfile
filename = uigetfile('*.*', 'All Files (*.*)','MultiSelect','on');

10年以上 前 | 1

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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...

10年以上 前

回答済み
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);

10年以上 前 | 0

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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') ...

10年以上 前 | 3

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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 =...

11年弱 前 | 2

回答済み
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...

11年弱 前 | 0

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how to eliminate the error
@time ===> @times s1.coefs=bsxfun(@times,s1.coefs(:,1:end-1),s1.order:-1:1)

11年弱 前 | 1

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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; ...

11年弱 前 | 0

回答済み
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)]; ...

11年弱 前 | 0

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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

11年弱 前 | 0

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how to use "if" statement properly?
A=rand(10,1); B=rand(10,1); z=B./A; z(z<1)=-1./z(z<1)

11年弱 前 | 1

回答済み
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...

11年弱 前 | 1

回答済み
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...

11年弱 前 | 0

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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))

11年弱 前 | 1

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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'); ...

11年弱 前 | 0

解決済み


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...

11年弱 前

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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 ...

11年弱 前

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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...

11年弱 前

解決済み


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...

11年弱 前

回答済み
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...

11年弱 前 | 0

回答済み
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...

11年弱 前 | 0

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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),{' ...

11年弱 前 | 0

回答済み
horzcat error while using ' '
names=['john'; 'ravi'; 'mary'; 'xiao'] howdy=['10'; '20'; '30' ;'40'] result=[names repmat(' ',4,1) howdy]

11年弱 前 | 0

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How to evaluate dirac function in matlab?
syms x; y=diff(dirac(x),x) subs(y,1)

11年弱 前 | 1

解決済み


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 + ...

11年弱 前

解決済み


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...

11年弱 前

解決済み


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...

11年弱 前

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