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Nathaniel


ATK Space Systems

Actif depuis 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...

presque 11 ans il y a | 0

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Question


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...

presque 11 ans il y a | 1 réponse | 1

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

plus de 11 ans il y a | 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...

plus de 11 ans il y a | 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...

plus de 11 ans il y a | 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...

plus de 11 ans il y a | 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...

presque 12 ans il y a | 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 =...

presque 12 ans il y a | 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...

presque 12 ans il y a | 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...

presque 12 ans il y a | 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...

presque 12 ans il y a | 0

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A résolu


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...

environ 12 ans il y a

A résolu


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

environ 12 ans il y a

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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 ...

environ 12 ans il y a

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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...

environ 12 ans il y a

A résolu


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...

environ 12 ans il y a

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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]

environ 12 ans il y a

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inner product of two vectors
inner product of two vectors

environ 12 ans il y a

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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

environ 12 ans il y a

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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 ...

environ 12 ans il y a

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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, ....

environ 12 ans il y a

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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 ...

environ 12 ans il y a

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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...

environ 12 ans il y a

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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...

environ 12 ans il y a

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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.

environ 12 ans il y a

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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...

environ 12 ans il y a

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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...

environ 12 ans il y a

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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...

environ 12 ans il y a

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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...

environ 12 ans il y a

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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...

environ 12 ans il y a

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