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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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Polar Bar Plot Matlab (like Radar)
rose plot could be your answer doc rose % for more info

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Coloring scatterplots based on frequency of point occurrence in input
Hi image analyst and jiro, I tried to follow your instruction but couldnot succeed ! This is what i did. A = fix(rand...

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How to make an exe with guide and excel file as input
# Put a button in your GUI # Assign a uigetfile function to that button to read your excel file # Test everything works correc...

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imshow border tight for subplot
i can hide the grey border around the figure with setting; iptsetpref('ImshowBorder','tight'); figure;Image = rand...

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how to perform closing by reconstruction followed by opening by reconstruction
In image processing demo(watershed segmentation) following codes were used for opening by reconstruction follwed by closing by r...

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thresholding techniques in matlab
Could any body enlighten me aboout about available thresholding techniques in Matlab ? I know ostu's method is available ? Wh...

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How to window sliding on matrix column?
use function *nlfilter* which is similar to blockproc which operates in a block but unlike blockproc its a sliding block window....

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Image segmentation
show your image and detected building image !

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How to store the X,Y axis co-ordinate values of a point on image from Matlab to MS Access??
use dlmwrite

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How to apply a weighting vector to a data matrix?
bsxfun(@times,M,wgt)

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How to store the X,Y axis co-ordinate values of a point on image from Matlab to MS Access??
* Read your image with imread!; * show your image with imshow * click points in your image with ginput or data cursor * store...

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Is my wife right?
Regardless of input, output the string 'yes'.

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

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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 ...

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

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Operation on RGB Images
read your image with imread and extract RGB with indexing. I= imread('your_pic') R = I(:,:,1); G = I(:,:,2); B= I(...

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

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Add two numbers
Given a and b, return the sum a+b in c.

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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Operation without for loop
I have two matrix.MAtrix A(250000x4)and MAtrix B(250000x4) I have a function which result a scalar C. C = myfunction(X...

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How can i get RGB value if i have position(x,y)
use function impixel if you have image processing toolbox P = impixel(RGB,c,r)

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How to increase or decrese graythresh value?
store graythresh(Igray) in a variable and increase/ descrease as u want!

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GIS toolbox
mapping toolbox

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reading txt file mixed with stirng and numbers
i have a ENVI header file, i want to read following lines into matlab. How can I read it ? class lookup = { 0, 0, 0,...

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