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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...

7年弱 前

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

7年弱 前

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

7年弱 前

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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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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

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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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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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Problem Opening Examples for Object Tracking
Hi, Please check if "Computer Vision Toolbox" is installed on your system. You are facing this error probably because you do no...

7年弱 前 | 2

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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 ...

7年弱 前

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

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How can I use 5fold cross validation on my dataset?
Hi Jakob, Please refer to the following code for using 5fold cross validation on dataset. load('fisheriris'); % load fishe...

7年弱 前 | 0

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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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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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problem with starting matlab
Hi Dario, In order to work around the issue, you can try to start MATLAB with 'nojvm' tag. Please follow the steps given bel...

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

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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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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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How do I maximize the web browser window?
According to my knowledge, there is currently no built-in functionality to maximize, minimize or get the state of a figure in MA...

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Pattern Recognition; Pattern Comparison
Hi Olivia, For starting with pattern recognition please have a look at the following documentations: https://www.mathworks.com...

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How to use the training weights and Biases for testing a Neural Network
A better approach would be to “save the network after training”, and then use the “saved network” to predict output on “test dat...

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Do we need to perform cross validation on googlenet or alexnet
The tutorials mentioned by you(links given in question) provides you with practical examples on how to use Deep Learning network...

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Defining global variables to be used in a function and outside
Hi Sulaiman, Usually, each MATLAB function has its own local variables, which are separate from those of other functions and f...

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how to tell skip few lines in a code
It is my understanding that you want to go to some particular line of code. However, MATLAB does not support "C style goto state...

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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:...

約7年 前