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...

7 years ago | 0 answers | 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...

Power Set

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

7 years ago | 1

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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 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 + ...

9 years ago

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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...

9 years ago

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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 ...

9 years ago

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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...

9 years ago

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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...

9 years ago

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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...

9 years ago

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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...

9 years 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...

9 years 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...

9 years ago

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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...

9 years 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...

9 years 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 ...

9 years 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 ...

9 years 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...

9 years 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.

9 years ago

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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...

9 years 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 ...

9 years 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...

9 years 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:...

9 years ago

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...

9 years ago | 1 answer | 1

Answered

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...

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...

9 years ago | 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 ...

9 years ago | 1 answer | 0

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 ...

9 years ago | 0 answers | 0

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...

9 years ago | 1 answer | 0