Stephen

Actif depuis 2011

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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...

plus de 10 ans il y a

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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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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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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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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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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]; and ...

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

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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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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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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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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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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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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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Question

Plotting Matrices Stored in Sequential Array Cells
Hey, I've got an array which has a few matrices stored in the arrays and now I'm wanting to plot them. Now I can see two ways...

plus de 11 ans il y a | 1 réponse | 0

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Graph With Variable Number of Plots
I'm writing a piece of code that needs to split up a vector into smaller vectors which are not uniform in length. These smaller ...

plus de 11 ans il y a | 1 réponse | 0

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Question

3D Matrix to replace a square matrix in a for loop?
Sorry if the question title isn't great; stuggled to come up with a good question to ask the following; I've been using matri...

plus de 11 ans il y a | 2 réponses | 0

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Question

Using electronic sensors to control motors using matlab/simulink; possible?
Hey, got a general question regarding MATLAB and/or simulink which I'm hoping someone here will be able to help me with. (I'll s...

environ 12 ans il y a | 1 réponse | 0

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Drawing on a m-file via the command window; possible?
Hey, so I've created an m-file but there's far too many outputs that I don't need all the time for me to be happy with. However ...

environ 12 ans il y a | 2 réponses | 0

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fprintf Multiple Lines?
Is there a way to print multiple lines to the command window (like fprintf does for single lines) without using fprintf at the s...

environ 12 ans il y a | 3 réponses | 2

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Question

Integrating A Vector (Or rather a series of point values)
Firstly I wish to apologise as I know there's a section of the matlab documentation / help files. However I've tried following i...

plus de 12 ans il y a | 2 réponses | 0

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Question

Derive equation from set of data
I feel rather silly asking this as I'm sure it's extremly simple and that I'm missing a button or something but can't find the a...