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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...

8 years 前

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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...

8 years 前

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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...

8 years 前

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

8 years 前

已解决


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...

8 years 前

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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...

8 years 前

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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...

8 years 前

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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...

8 years 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...

8 years 前

已解决


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...

8 years 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...

8 years 前

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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...

8 years 前

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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 ...

8 years 前

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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...

8 years 前

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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 ...

8 years 前

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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...

8 years 前

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

8 years 前

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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...

8 years 前

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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.

8 years 前

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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 ...

8 years 前

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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...

8 years 前

提问


How to connect In to multiple subsystems (neatly) through scripting?
Hello, so I written a script that uses a database file to create multiple subsystems and connects the subsystems to a BusCreator...

8 years 前 | 0 个回答 | 0

0

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How can I print a string that contains 'Escape characters'?
I am copying data from a file and attempting to print it to a second file. One of the lines of data I want to copy is a path to...

8 years 前 | 1 个回答 | 2

1

个回答

已回答
Close a specific text file, while leaving different text files open (MatLab R2011b)
Figured it out! this works % code below end x = 'Cycle_HS1.txt' y = fopen(x) (MatLab returns) y = 3 fclose(y)...

8 years 前 | 1

| 已接受

提问


Close a specific text file, while leaving different text files open (MatLab R2011b)
Mathworks Reference: http://www.mathworks.com/help/matlab/ref/fclose.html?refresh=true I am trying to close 1 of 4 open text ...

8 years 前 | 1 个回答 | 0

1

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When scripting for use in a Simulink model, is there a way to set the Logical Operator? Change the number of inputs?
sys = 'MakeAND_IntoNAND'; new_system(sys) % Create the model open_system(sys) % Open the model simulink; %This will only c...

9 years 前 | 0 个回答 | 0

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