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Allen


Last seen: 1 day ago
453 total contributions since 2017

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Solved


Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

2 days ago

Solved


Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

2 days ago

Solved


Find the sides of an isosceles triangle when given its area and height from its base to apex
Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

2 days ago

Solved


Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

2 days ago

Answered
Add vectors in loop
I am certain that there is a much better method using vectorized indexing, but without seeing an example of the values in TimeSe...

2 days ago | 0

| accepted

Answered
How can I hide the App Designer Slider Control's built in label programmatically?
In App Designer the label handles are created in conjunction with, but separately from the main object. The handles for the labe...

3 days ago | 0

| accepted

Answered
Create multiple files via for loop
You can use uigetfile to easily select mutliple files and make the filename acquisition process a little more simple. % Prompts...

3 days ago | 0

Answered
How to make 2 gui sharing the same handles structure
If you are using GUIDE to build your applications, then my suggestion would be to create a separate "Parameters" GUI application...

3 days ago | 0

Answered
How to format a matlab program to be useable by the application compiler?
It depending on how your code is written and your intentions for using it as an executable. Mostly likely you will need to have ...

3 days ago | 0

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...

3 days 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...

3 days 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...

3 days 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...

3 days ago | 0

Answered
Assigning NaN to certain values
A slightly more simple approach: Temp(round(Temp,4)<=-177.57)= NaN;

3 days 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...

3 days 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...

3 days ago | 1 answer | 0

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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...

16 days 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.

16 days 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...

16 days 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...

16 days 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...

16 days 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...

16 days 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....

16 days 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'

16 days 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...

16 days 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: ...

16 days 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...

16 days ago

Solved


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

16 days 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...

16 days 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=...

16 days ago

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