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How to implement Zernike moments?
Hi. <http://www.mathworks.com/matlabcentral/fileexchange/38900-zernike-moments>

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find and ismember are not working for one number in a vector
Hi. See this: <http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F>

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How to remove middle part of data on Histogram plot
Hi. I=imread('cameraman.tif'); h=imhist(I); h(ceil(1/10*256):floor(6/10*256))=0; bar(h,.2)

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

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accessing excel content nd writing d content one by one into imread instruction..
Hi. You don't need to use fopen or fclose. [~,txt,~] = xlsread('tun.xlsx'); disp(txt); for i=1:20 A=txt{1,i...

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how to produce a 2-D point distribution with normal density distribution
With adding a number in x and y directions you can change their position, and the number multiplied changes their radius: A...

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How to find all possible combinations of 3 nos chosen from 3 different sets??
Hi. C=1:1:100; D=1:1:150; E=1:1:125; [x,y,z]=meshgrid(C,D,E); A=[y(:) x(:) z(:)];

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How do you automatically put values into an array when in a loop?
Hi. Without loop: NoS = 6; NoJ = 4; data1=reshape(data(1:96,3),4,24); bars=mean(data1); errors=std(data1); ...

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how can i compare one vector with the other vector when all the stored in a matrix.
Hi. B= [ 12 34 56 78 34 76 98 21 98 76 56 34 12 34 56 78 12 34 56 78 34 76 98 ...

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In the rule viewer in the Fuzzy toolbox, how to to insert many inputs at one time and get the output automatically in the text format?
Hi. You can use evalfis : a = newfis('fis1.fis'); %create a new FIS file a = addvar(a, 'input', 'x', [2 9]);%add and i...

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How to change an entire column.
A = randi(10,[10 640])-1; B = A; B(:,sum(A==0)>0)=0;

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Need to find the value of x_?, where x_? is x at y=?......
Hi. x=[0.1; 0.05; 0.2]; y=[20; 15; 85]; x(y==15)

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Pole Plot of System-vector
Hi. It's works, but maybe it's not correct: c = rand(121,3); Cell_Den = mat2cell(c,ones(121,1),3)'; Cell_Num(1:121) =...

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Histogram thresholding to get the threshold point
Hi. % code x=imread('tumor.jpg'); % im=rgb2gray(x); im=x(:,:,1); [q r]=size(im); s=r/2; % for i=1:q % ...

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Convert Two Character String into a Binary Vector
Given a string "XOXXO" convert it into a binary vector. [1 0 1 1 0] Paul Berglund implemented an optimal method in <http://ww...

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

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How to remove Index exceeds matrix dimensions error ?
Hi. Maybe your s isn't 102400 by 8 matrix. With s=rand(102400,8) didn't give any error: degree = 180; divisor_factor=32; ...

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How to normalize given matrix in the range of [-11] ?
Hi. A=randi(100,[10 10 10]); % Between [0 1] A=(A-min(A(:)))./(max(A(:))-min(A(:))); A=2.*A -1;

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who to use string as input?
Hi. Try this: function anyFunction(anyString) length(anyString{1}) end

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Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

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Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

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Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

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Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

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