31 total contributions since 2013

Solved

Replace secondary diagonal elements of a square array

Replace all the secondary diagonal elements of the square array A with the number n Example: A=[1 2 3; 4 5 6; 7 8 ...

circa 4 anni ago

Solved

Matrix of almost all zeros, except for main diagonal

Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

circa 4 anni ago

Solved

Polynomial Evaluation

Create a routine that takes a list of coefficients of a polynomial in order of increasing powers of x; together with a value of ...

circa 4 anni ago

Solved

Compute Fibonacci Number

Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

circa 6 anni ago

Solved

Remove the middle element from a vector

Remove the middle element of a vector? *Example:* [1,2,3] should return 2 [1,2,3,4] should return 2 [] should return...

circa 6 anni ago

Solved

Palindrome

Check if a given string is a palindrome or not. For example, a = 'amoreroma' is a palindrome. But b = 'xyz' is not. Return...

circa 6 anni ago

Solved

Power of n ?

Determine if _x_ (positive integer) is a power of _n_, return true or false accordingly.

circa 6 anni ago

Solved

GJam 2013 Veterans: Ocean View (Small)

This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p2 GJam 2013 Veterans Ocean View>. Th...

circa 6 anni ago

Solved

Kaggle: Reverse Game of Life - Periods of Oscillators

<http://www.kaggle.com/c/conway-s-reverse-game-of-life Kaggle's Conway's Reverse Game of Life> contest inspires this Period of L...

circa 6 anni ago

Solved

Self-Description

This is a simplified version of the <http://xkcd.com/688/ *xkcd comic* by the same name>. Simply return the angle (in degrees...

circa 6 anni ago

Solved

Simple Caesar Cypher - shift encrypt a message given an index number

A Caesar cypher is a simple shift encryption method. Your goal is to create a function that allows a user to input a string and ...

circa 6 anni ago

Solved

Finding neighbors of [-1:1] in a matrix....

Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...

circa 6 anni ago

Solved

German tank problem

The <http://en.wikipedia.org/wiki/German_tank_problem German tank problem> is a well-known statistical problem that attempts to ...

circa 6 anni ago

Solved

Add a row of zeros on top of a matrix

Given a matrix, insert a row of zeros as the top row.

circa 6 anni ago

Solved

Check if equal

Return true if all the elements of an nD array are equal, false otherwise.

circa 6 anni ago

Solved

Count decimal digits of a number

* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

circa 6 anni ago

Answered

simple "While Loop" questions

function [vslSave]=prueba(x) vsl=x; vslSave=[]; while vsl<=10 if vsl >=0.001 && vsl<=0.01 increment ...

simple "While Loop" questions

function [vslSave]=prueba(x) vsl=x; vslSave=[]; while vsl<=10 if vsl >=0.001 && vsl<=0.01 increment ...

circa 6 anni ago | 0

Solved

Fibonacci-Sum of Squares

Given the Fibonacci sequence defined by the following recursive relation, * F_n = F_(n-1) + F_(n-2) * where F_0 = 0 and F_1 ...

circa 6 anni ago

Solved

Signed Magnitude

For a given input vector, return the value that is furthest from zero. For example, if x = [1 2 -12] return -12.

circa 6 anni ago

Question

How count pulse when go up in simulink?

How count pulse when go up in simulink, to obtaint the speed of the motor throught a encoder that emits 50 pulses for revolution...

circa 6 anni ago | 1 answer | 0

Solved

That's some divisor you've got there...

Given a positive integer x, calculate the sum of all of the divisors of the number. Please include the number itself in your fi...

circa 6 anni ago

Solved

GJam 2014 China Rd B: Sudoku Checker

This Challenge is derived from <http://code.google.com/codejam/contest/2929486/dashboard#s=p0 GJam 2014 China Sudoku>. Large Cas...

circa 6 anni ago

Answered

Name for this practice: c = x.^2

If you put a vector as x, the operator "." made the operation for each value of the vector.

Name for this practice: c = x.^2

If you put a vector as x, the operator "." made the operation for each value of the vector.

circa 6 anni ago | 0

Solved

Find nth maximum

Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

circa 6 anni ago

Solved

Unit Matrix

Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

circa 6 anni ago

Solved

Smith numbers

Return true if the input is a Smith number in base ten. Otherwise, return false. Read about Smith numbers at <http://en.wikipedi...

circa 6 anni ago

Solved

Create a two dimensional zero matrix

You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

circa 6 anni ago

Answered

how to make zero padding?

M=rand(2,1); K=[zeros(2,1) M zeros(2,1)]; N=[zeros(1,3); K; zeros(1,3)];

how to make zero padding?

M=rand(2,1); K=[zeros(2,1) M zeros(2,1)]; N=[zeros(1,3); K; zeros(1,3)];

circa 6 anni ago | 0

Question

How realised analysis parametric with simulink?

I wish realized a analysis parametric as the what make Pspice? Run several simulations changing a parameter.

circa 6 anni ago | 1 answer | 0

Question

how can store signal in real time for period time?

I need collect the information of a period of time, for example, when a variable suffer a change while simulation is runinig in ...

circa 7 anni ago | 1 answer | 0