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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

9 years 前

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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...

9 years 前

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Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

9 years 前

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Receive and send values in GUI
in your gui you need an edit text box (or equivalent, depending on which input values you require, it is not clear from your que...

9 years 前 | 1

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提问

special kind of interpolation
I have some data shown in the example figure below for which I want to perform an interpolation to calculate the average value. ...

9 years 前 | 2 个回答 | 0

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Converting values to 0 and 1 and then counting occurrences!
is this what you mean as it is not clear to what end you would like to do this x(x<20) = 0; x(x>=20) = 1; temp ...

9 years 前 | 0

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Create a vector with known indices and assign to that values from known vectors
maybe you can try something like this to keep it vectorized, if in reality your vector only has five elements, than you could al...

9 years 前 | 1

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How can I add number after char and define as a variable
you could use the eval function for this but it is not recommended to do this (search the Internet for why) You could use som...

9 years 前 | 1

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Help with switches in GUI
I think you are confused on how to add values to the guidata as now you are overwriting the values of OnOff by the pause values....

9 years 前 | 0

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

9 years 前

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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 前

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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...

9 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.

9 years 前

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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 前

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save large image/figure
I always use the export_fig figure for saving images since this doesn't crop the figure so you might want to look at this? ht...

9 years 前 | 0

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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...

9 years 前

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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 前

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How to support default parameter in MATLAB FUNCTION ?
in your function you need to check how many parameters have been passed function myFunction(variable1,variable2, optionalVa...

9 years 前 | 1

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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 前

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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 前

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how can I merge matrices
[D(h), E(h)] = find(F(h)==B);

9 years 前 | 0

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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 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...

9 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...

9 years 前

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

9 years 前

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

9 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...

9 years 前

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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...

9 years 前

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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 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...

9 years 前