Answered

Export a Cell as a text file with two delimters

Try the following: % Converts the cell array to a string array, then joins the strings using a comma-tab delimiter strjoin(str...

Export a Cell as a text file with two delimters

Try the following: % Converts the cell array to a string array, then joins the strings using a comma-tab delimiter strjoin(str...

5 months ago | 0

Answered

Convert Text into Date Format

Try the following: % Code works with either a string or numerical input str = '196307'; datestr(datenum(str,'yyyymm'),'mmmm y...

Convert Text into Date Format

Try the following: % Code works with either a string or numerical input str = '196307'; datestr(datenum(str,'yyyymm'),'mmmm y...

5 months ago | 1

Answered

How to take 2D mean ignoring nan values using cellfun?

Niky, My previous suggestion did not fully look at the input requirements for 2D usage of std. The following revision should ac...

How to take 2D mean ignoring nan values using cellfun?

Niky, My previous suggestion did not fully look at the input requirements for 2D usage of std. The following revision should ac...

5 months ago | 0

Answered

How to take 2D mean ignoring nan values using cellfun?

Try the following: a = mat2cell(A,dimSpec1,dimSpec1); % calculating standard deviation in segments sigma = cellfun(@(x) std...

How to take 2D mean ignoring nan values using cellfun?

Try the following: a = mat2cell(A,dimSpec1,dimSpec1); % calculating standard deviation in segments sigma = cellfun(@(x) std...

5 months ago | 0

Answered

Assigning NaN to certain values

A slightly more simple approach: Temp(round(Temp,4)<=-177.57)= NaN;

Assigning NaN to certain values

A slightly more simple approach: Temp(round(Temp,4)<=-177.57)= NaN;

5 months ago | 0

Answered

Replace the diagonal with NaN in this 5x5 matrix

Another approach to this if you know that your original matrix will always be a square matrix. You can use the following: a(eye...

Replace the diagonal with NaN in this 5x5 matrix

Another approach to this if you know that your original matrix will always be a square matrix. You can use the following: a(eye...

5 months ago | 0

| accepted

Question

Predetermine axis limits without plotting

I have a very large number of data sets (blocks) that I am currently extracting the min and max values from and plotting the res...

5 months ago | 1 answer | 0

Solved

Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

5 months ago

Solved

Find my daddy long leg (No 's')

Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

5 months ago

Solved

Calculate the area of a triangle between three points

Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

5 months ago

Solved

Natural numbers in string form

Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

5 months ago

Solved

Fix the last element of a cell array

Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

5 months ago

Solved

String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

5 months ago

Solved

Remove element(s) from cell array

You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

5 months ago

Solved

Convert a Cell Array into an Array

Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

5 months ago

Solved

Convert a numerical matrix into a cell array of strings

Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

5 months ago

Solved

Create a cell array out of a struct

Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

5 months ago

Solved

There are 10 types of people in the world

Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

5 months ago

Solved

Converting binary to decimals

Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

5 months ago

Solved

Binary code (array)

Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

5 months ago

Solved

Relative ratio of "1" in binary number

Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

5 months ago

Solved

Bit Reversal

Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

5 months ago

Solved

Given an unsigned integer x, find the largest y by rearranging the bits in x

Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

5 months ago

Solved

Find out sum and carry of Binary adder

Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

5 months ago

Solved

Convert given decimal number to binary number.

Convert given decimal number to binary number. Example x=10, then answer must be 1010.

5 months ago

Solved

Rescale Scores

Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

5 months ago

Solved

Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

5 months ago

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Find MPG of Lightest Cars

The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

5 months ago

Solved

Find the Best Hotels

Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

5 months ago

Solved

Crop an Image

A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

5 months ago