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Joseph


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Question


Multiple named tokens in a regexp
Hi all, I am having a little trouble finding out if you can have named tokens that are optional in a regular expression. M...

plus de 10 ans il y a | 1 réponse | 0

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Power Set
function logical_indices = logical_indices_for_power_set(set_size) %LOGICAL_INDICES_FOR_POWER_SET creates a cell array cont...

plus de 10 ans il y a | 2

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

plus de 11 ans il y a

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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...

plus de 11 ans il y a

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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 + ...

presque 12 ans il y a

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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...

presque 12 ans il y a

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Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

presque 12 ans il y a

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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...

presque 12 ans il y a

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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...

presque 12 ans il y a

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

presque 12 ans il y a

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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...

presque 12 ans il y a

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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...

presque 12 ans il y a

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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...

presque 12 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...

presque 12 ans il y a

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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...

presque 12 ans il y a

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

presque 12 ans il y a

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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 ...

presque 12 ans il y a

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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 ...

presque 12 ans il y a

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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...

presque 12 ans il y a

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

presque 12 ans il y a

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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.

presque 12 ans il y a

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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. Example...

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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 ...

presque 12 ans il y a

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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...

presque 12 ans il y a

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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:...

presque 12 ans il y a

Question


Defining/Checking assumptions on symoblic arrays
Hi all, I have been encountering a problem/inconsistency while using Matlab 2011b for defining and checking symbolic variable...

presque 12 ans il y a | 1 réponse | 1

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Réponse apportée
Problem and attempted workaround for using interp1() with the matlab coder
If anyone is intrested in a version of 'pchip' and/or 'spline' that can easily be modified for use in a MEX function (because in...

environ 12 ans il y a | 0

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Question


Problem and attempted workaround for using interp1() with the matlab coder
Hi all, I had wanted to replicate a heating cycle for a simulation based upon given heating rates (rate = [3 2 1] K/s) across ...

environ 12 ans il y a | 1 réponse | 0

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Question


Regexp help for seperating numbers, matrices, strings
Hi all, I have been trying to seperate strings of arbitrary fields including numbers, matricies, and more strings. These are ...

plus de 12 ans il y a | 1 réponse | 0

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réponse

Question


coder and error passing handles to extrinsic functions
Hi all, I have written some code in matlab using a primary function that calls fsolve and a subfunction for passing extra arg...

plus de 12 ans il y a | 1 réponse | 0

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