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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...

mer än 12 år ago

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

mer än 12 år ago

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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...

mer än 12 år ago

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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...

mer än 12 år ago

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

mer än 12 år ago

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Function to open a video file
did you try implay() doc implay

mer än 12 år ago | 0

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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...

mer än 12 år ago

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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...

mer än 12 år ago

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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 ...

mer än 12 år ago

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

mer än 12 år ago

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

mer än 12 år ago

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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...

mer än 12 år ago

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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...

mer än 12 år ago

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using wireless sensor networks for energy aware homes in smart grids.
Do you have a specific idea in mind. Please look at the following papers and then decide upon your use case and code accordin...

mer än 12 år ago | 0

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

mer än 12 år ago

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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...

mer än 12 år ago

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

mer än 12 år ago

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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 ...

mer än 12 år ago

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

mer än 12 år ago

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

mer än 12 år ago

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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 ...

mer än 12 år ago

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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...

mer än 12 år ago

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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.

mer än 12 år ago

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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:...

mer än 12 år ago

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linear fit
Also you can always do it once manually, generate data set, create the plot, make the linear fit with the equations, then in the...

mer än 12 år ago | 1

Answered
Cluster validation used to pass, now fails after upgrade to 2011b
Ok, Does the local validation pass? Run the validation from the command window so that it gives out more details: setSch...

mer än 12 år ago | 2

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Answered
Fread problem...
Add type 'double' in your fwrite b = rand(5, 1); fid = fopen('prova.bin', 'w'); fwrite(fid, b,'double'); % ...

mer än 12 år ago | 1

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concatenate data files horizontally into one file
load XX_X1_XXX.dat; % this will put the values in Variable X1 load XX_X2_XXX.dat; % this will put the values in Variable X2...

mer än 12 år ago | 0

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no access to matlab toolboxes
Please make sure you are associated with the correct license. license command should give you the license number. Log o...

mer än 12 år ago | 0

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Appending two or more .mat files
load both the *.mat files with the variables, append them in matlab and save them using save command load ECU_A.mat % supp...

mer än 12 år ago | 0