Answered

Unnest cell array with nested cells to a cell array

You might want something along the lines of: a2 = {{'asdf',{'asdf','asdf',{'asdf'},{'asdf'},{'asdf',{'asdf'}},'asdf'},{'asdf',{...

Unnest cell array with nested cells to a cell array

You might want something along the lines of: a2 = {{'asdf',{'asdf','asdf',{'asdf'},{'asdf'},{'asdf',{'asdf'}},'asdf'},{'asdf',{...

ungefär ett år ago | 1

Question

Indexing custom Python objects

Hello, I want to be able to use indexable Python objects via MATLAB's Python interface. The context is, I need to process .odb ...

mer än ett år ago | 0 answers | 0

Question

AVX & SSE options not available for Coder/Code replacement library

Hello, according to <https://de.mathworks.com/videos/coder-summit-2018-simd-code-generation-1522058070054.html this video>, i...

mer än 2 år ago | 1 answer | 0

Answered

Removing grid/edge lines in pcolor() figure

arrayfun(@(s) set(s,'EdgeColor','none'), findobj(gcf,'type','surface')) If you have multiple pcolor plots in subplots. I al...

Removing grid/edge lines in pcolor() figure

arrayfun(@(s) set(s,'EdgeColor','none'), findobj(gcf,'type','surface')) If you have multiple pcolor plots in subplots. I al...

nästan 4 år ago | 0

Answered

How can I compare numbers for equality within a tolerance in MATLAB 8.0 (R2012b)?

You may try using std(). If your values are identical, their deviance should be zero, if not it increases. You can set an upper ...

How can I compare numbers for equality within a tolerance in MATLAB 8.0 (R2012b)?

You may try using std(). If your values are identical, their deviance should be zero, if not it increases. You can set an upper ...

nästan 4 år ago | 0

Solved

Find the sum of the elements in the "second" diagonal

Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

ungefär 4 år ago

Solved

Which doors are open?

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

ungefär 4 år ago

Solved

Elapsed Time

Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

ungefär 4 år ago

Solved

Find the alphabetic word product

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

ungefär 4 år ago

Solved

Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

ungefär 4 år ago

Solved

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 + ...

ungefär 4 år 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...

ungefär 4 år ago

Solved

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...

ungefär 4 år ago

Solved

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...

ungefär 4 år ago

Solved

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...

ungefär 4 år ago

Solved

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...

ungefär 4 år ago

Answered

How can I determine the angle between two vectors in MATLAB?

This does the same thing, also capable of determining the angle of higher (than one) dimensional subspaces. subspace(vector...

How can I determine the angle between two vectors in MATLAB?

This does the same thing, also capable of determining the angle of higher (than one) dimensional subspaces. subspace(vector...

mer än 4 år ago | 2

Question

zscore() kills vrrotvec()?

Try the following: create an n x 3 matrix with randn(). Apply some oblique rotation to each of its rows. a1 = randn(100,3);...

mer än 4 år ago | 0 answers | 0

Solved

The Goldbach Conjecture, Part 2

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

mer än 4 år ago

Solved

Multielement indexing of a row array

The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

mer än 4 år 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...

mer än 4 år ago

Solved

Pattern matching

Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

mer än 4 år 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...

mer än 4 år ago

Solved

Find a subset that divides the vector into equal halves

Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

mer än 4 år ago

Solved

Increment a number, given its digits

Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

mer än 4 år ago

Solved

Omit columns averages from a matrix

Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

mer än 4 år ago

Solved

Relational operators: Guessing game

Row array userGuess contains a sequence of user guesses. Create a logical indexing array correctGuess with true in each location...

mer än 4 år ago

Solved

Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

mer än 4 år ago

Solved

Sum of diagonal of a square matrix

If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

mer än 4 år ago

Solved

Target sorting

Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

mer än 4 år ago