Answered
Twist on the 'classic' tank filling / emptying problem
You can see the standard ODE solutions in Simulink, described among other places, on Mathworks blogs <http://blogs.mathworks.com...

13 years ago | 0

Answered
how do i analyze measurement data .txt file
Hello Kingsley, You have a very broad based question; MATLAB is the right tool for your task. Take a look at the functions f...

13 years ago | 0

Answered
Is it possible to write several statements into an anonymous function?
Great answers everyone; the best solution for this problem might still be 'reshape' based answer by Walter, Daniel and Matt - ea...

13 years ago | 0

Answered
Rotate Normal Around Tangent
Paul, You need to find the points of a 2D rotation transform using the equations, for example affine transformation <http://en....

13 years ago | 0

Answered
Operate a string in a cell matrix
Hello Kyle, Solution is fairly straightforward. First you can identify the locations where '*xlsread*' bailed out, by look...

13 years ago | 0

Answered
prevent function from displaying output
Changes, like the previous comments suggest, using a semi-colon, should stop output form appearing on your terminal. Also you...

13 years ago | 0

Solved

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...

13 years ago

Answered
How does one perform a fast Fourier transform (fft) on heart rate variability data?
Hello Samuel, We can only calculate the Discrete Fourier Transform, as an approximation of the actual continuous Fourier Transf...

13 years ago | 1

Solved

Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

14 years ago

Solved

Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

14 years ago

Solved

Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

14 years ago

Solved

inner product of two vectors
inner product of two vectors

14 years ago

Problem

Next lexicographic - permutation
Find next lexicographic - permutation (permutations as it would occur in a dictionary order). E.g: nextP('ABCD') = ABDC I...

14 years ago | 2 | 51 solvers

Solved

Next lexicographic - permutation
Find next lexicographic - permutation (permutations as it would occur in a dictionary order). E.g: nextP('ABCD') = ABDC I...

14 years ago

Solved

Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

14 years ago

Solved

Decode a simplified barcode
Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

14 years ago

Solved

Make a simplified barcode
Given an integer to encode, make a barcode using the following encoding scheme: * The bar code is made from the binary versio...

14 years ago

Solved

Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

14 years ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

14 years ago

Solved

"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

14 years ago

Solved

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

14 years ago

Solved

Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

14 years ago

Solved

Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

14 years ago

Solved

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...

14 years ago

Solved

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

14 years ago

Solved

Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

14 years ago

Solved

It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

14 years ago

Solved

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...

14 years ago

Solved

Reduce - Map-Reduce
Write reduce function, that takes arguments and constantly folds results into next call argument, finally returning a value; ...

14 years ago

Problem

Reduce - Map-Reduce
Write reduce function, that takes arguments and constantly folds results into next call argument, finally returning a value; ...

14 years ago | 1 | 18 solvers