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Feeds
Resuelto
ASCII Birthday Cake
Given an age and a name, give draw an ASCII birthday cake. For example, given the name "CODY" and the age 5, return a string wit...
más de 8 años hace
Resuelto
Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...
más de 8 años hace
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Energy of a photon
Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...
más de 8 años hace
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How to subtract?
* Imagine you need to subtract a few numbers using MATLAB. * You will not be using eval for this task. * Given two ASCII strin...
más de 8 años hace
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Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...
casi 9 años hace
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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...
casi 9 años hace
I have a column cell array "teste1" and I want to create "teste2": if "teste1" is not 0, I want a 'V'; if "teste1" is 0, I want to compare 2 other different string cells and the result would be from 1 to 5 (or 0, if no condition was satisfied)
I think the problem is in these lines: if teste2(:)~=0 teste2(:)='V'; but I get really confused about what you want...
más de 9 años hace | 1
How to draw the collision of two ball with Matlab?
I think using these built-in functions will help: 1. handle01 = plot([X1,X2],[Y1,Y2],'.','MarkerSize',10);% draw two points t...
más de 9 años hace | 2
| aceptada
Please I need help in MATLAB!!
since no loops and no bin2dec, this work could be done using the definition of binary number and vecterization operation. Take b...
más de 9 años hace | 1
How to do it?
I see, if no boundary, it will be easy with the help of built-in functions: 1. [x,y] = meshgrid(input arguments)% get the mes...
más de 9 años hace | 1
Resuelto
Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...
casi 10 años hace
Resuelto
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Given a point, P(x,y), find the distance from this point to a linear line. INPUTS: x, y, A, B, C OUTPUTS: d, the distance ...
casi 10 años hace
Resuelto
What is Sum Of all elements of Matrix
Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...
casi 10 años hace
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Simple date to serial no. conversion
Convert a date string to a serial date number. For example if you take x='19-May-2001' then the result is 730990 x...
casi 10 años hace
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Volume of a sphere given its surface area
You just measured its surface area, that is the input.
casi 10 años hace
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subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.
casi 10 años hace
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Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...
casi 10 años hace
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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...
casi 10 años hace
Resuelto
Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...
casi 10 años hace
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Square a Number
Given an input x, return y, which is equal to the square of x.
casi 10 años hace
Resuelto
Multiples of a Number in a Given Range
Given an integer factor _f_ and a range defined by _xlow_ and _xhigh_ inclusive, return a vector of the multiples of _f_ that fa...
casi 10 años hace
Resuelto
root?
* Given a function 'foo', and a position 'there', find the root near 'there'. * For example: If foo=@sin, and there=3.1, then r...
casi 10 años hace
Resuelto
Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...
casi 10 años hace
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Vector of numbers divisible by 3
* Input(n) - any integer * Output(v) - vector with numbers divisible by 3(exept 0) starting from n to 0 Examples: * n=6...
casi 10 años hace
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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=...
casi 10 años hace
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Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...
casi 10 años hace
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Area of a circle
Find the value for area of the circle if diameter is given
casi 10 años hace
Resuelto
Elapsed time is -0.005204 seconds.
Write a function that takes less than zero seconds to execute, as measured using tic and toc. For repeatability, the test case p...
casi 10 años hace
