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Nathaniel


ATK Space Systems

Con actividad desde 2012

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Simulink Project with R2010b
I think that Simulink Project first shipped with release 2011b. If you're asking if there is some way to add Simulink Project...

más de 11 años hace | 0

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Pregunta


Why isn't there a bsxfun block in Simulink?
Recently, I have found myself adding 1-line MATLAB Function Blocks to some models, of the form (though not necessarily always wi...

más de 11 años hace | 1 respuesta | 1

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Solving a Cubic Equation
The built-in function *roots* is what you're looking for.

alrededor de 12 años hace | 0

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better way to improve performance of my code
Using varargin is what's killing you. You can get avoid this by constructing the cell array in the calling code, rather than re...

alrededor de 12 años hace | 0

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Input parser: default argument depends on another required argument, how to do this?
function yourFunction(n, varargin) p = inputParser; p.addRequired('n', @(x)(true)); p.addParamValue('opt1', zer...

alrededor de 12 años hace | 0

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How to define a variable that store its value after closing MATLAB file?
If you're getting undefined variable errors for something you thought was supposed to be a global, then you haven't defined it t...

alrededor de 12 años hace | 0

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getting error Subscript indices must either be real positive integers or logicals.
I'm assuming that you are intending p to operate as a function, but maybe you are not passing in a function handle? Matlab ap...

más de 12 años hace | 1

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structure in class
Have a look at inputParser. My typical class constructor goes something like this: function obj = myclass(varargin) p =...

más de 12 años hace | 2

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read data from filenames in dir structure with function
Is this the first line of read_datafiles.m ? function [data1 data2] = read_datafiles(files, PathName) I would guess t...

más de 12 años hace | 0

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Slow down when accessing arrays
How much memory in your computer, and how big is N? If you run out of available physical memory, then you will spend a lot of t...

más de 12 años hace | 0

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Adding zeroes to Row Vector using a script
It would be simple if you guaranteed that numel(x)/M is always an integer, but without that guarantee: function y = zero_in...

más de 12 años hace | 0

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Resuelto


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

más de 12 años hace

Resuelto


radius of a spherical planet
you just measured its surface area, that is the input.

más de 12 años hace

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Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

más de 12 años hace

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

más de 12 años hace

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

más de 12 años hace

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

más de 12 años hace

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inner product of two vectors
inner product of two vectors

más de 12 años hace

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Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

más de 12 años hace

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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

más de 12 años hace

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Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

más de 12 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 ...

más de 12 años hace

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

más de 12 años hace

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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

más de 12 años hace

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

más de 12 años hace

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

más de 12 años hace

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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

más de 12 años hace

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

más de 12 años hace

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

más de 12 años hace

Resuelto


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

más de 12 años hace

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