Community Profile

# Jan

##### Last seen: Today
149 2011 年以降の合計貢献数

Matlab user since University. Interested in simulations, data handling and visulation.

#### Jan's バッジ

Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

3ヶ月 前

Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

Birthday cake
It's Cody's 5th birthday, and you've been tasked with putting the candles on the cake. Your goal is to maximize the distance bet...

Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

Saving an array of images as an 'Image Stack'
According to the matlab documentation you can store multiple images to a single file as follows: imwrite(im1,'myMultipageFi...

3年以上 前 | 2

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

3年以上 前

Why is there an out of memory error despite memory() stating there is enough?
I have the following code: data(ind) = data(ind) + shift; data(~ind) = data(~ind) - shift; The first line crashes wit...

4年以上 前 | 2 件の回答 | 0

### 2

Why does adding a specific directory to Matlab path cause the save function to slowdown?
I'm having the following problem: in my application I'm storing a few hundred files. Lately, I notice that the save function has...

5年以上 前 | 1 件の回答 | 1

### 1

Help in Installing MATLAB2014(32 bit) in Ubuntu14.04(64bit)
There does not seem to be a 32-bit Linux release of that Matlab version (see <http://www.mathworks.com/support/sysreq/release201...

5年以上 前 | 0

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

6年以上 前

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

6年以上 前

Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

6年以上 前

How to determine size of checkbox
To answer my own question: One can use the following code which uses only Matlab routines: dpi = get(0, 'ScreenPixelsPer...

7年弱 前 | 0

| 採用済み

How to determine size of checkbox
I am having some troubling positioning a checkbox in a UI. I have (programmatically) added a number of rows of checkboxes to a f...

7年弱 前 | 3 件の回答 | 0

### 3

Hackathon: the beginnings
I am thinking of a number between 1 and 10000... can you guess what this number is? *Description* The test suite has rando...

7年以上 前

Lose control
Remove all characters that are below space in ASCII value.

7年以上 前

Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

7年以上 前

Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

7年以上 前

Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

7年以上 前

Back to basics 12 - Input Arguments
Covering some basic topics I haven't seen elsewhere on Cody. Return a value equal to the number of input arguments to the fun...

7年以上 前

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

7年以上 前

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 ...

7年以上 前

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

7年以上 前