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Where is the matrix operator?
the letter 'x' in programming represents the character 'x', i.e., the letter x. The corresponding representation you wish: a ve...

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Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

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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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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

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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...

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

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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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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...

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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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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

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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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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

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Create a vector
Create a vector from 0 to n by intervals of 2.

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

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Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

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Concatenate two strings
Its very easy. Just concatenate two strings.

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Inner product of two vectors
Find the inner product of two vectors.

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

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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...

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

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Separating rows by attribute into new matrices.
Hi, Would it work if instead of several matrices, you get a new matrix with a third index? So each index of the third dimensi...

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Matlab 2019b wont start on Ubuntu 18.04 (installation seemed to work)
Did you try opening the terminal and typing: matlab if you still want to use your terminal after starting the matlab process, ...

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Interp3. Error using griddedInterpolant. The grid vectors do not define a grid of points that match the given values.
Hi, I'm trying to use interp3(x, y, z, image, xq, yq, zq). My new query xq, yq and zq are [256, 256, 90], and my old x, y and ...

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How to extract x,y,z coordinates from 3D Dicom Images?
You can use the function imref3d https://www.mathworks.com/help/images/ref/imref3d.html After knowing the world coordinates of...

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how to get x,y,z coordinates of 3d dicom image.I have 3d dicom image from which i can get x and y coordinates but z coordinate i cant get it provides me slice no.how to get that z coordinate
info = dicominfo('yourImage.dcm'); slice_number = info.InstanceNumber; % Gives you the slice number slice_thickness = info.S...

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write a dicom image with input that is not dicom
Hi fellows, Before showing the link, I have already read the documentation for dicomwrite. It turns out that it works in the in...

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

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