Answered

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...

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...

plus de 6 ans ago | 0

| accepted

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...

plus de 6 ans ago | 1 answer | 1

Answered

Solving a Cubic Equation

The built-in function *roots* is what you're looking for.

Solving a Cubic Equation

The built-in function *roots* is what you're looking for.

presque 7 ans ago | 0

| accepted

Answered

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...

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...

environ 7 ans ago | 0

Answered

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...

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...

environ 7 ans ago | 0

Answered

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...

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...

environ 7 ans ago | 0

Answered

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...

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...

plus de 7 ans ago | 1

| accepted

Answered

structure in class

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

structure in class

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

plus de 7 ans ago | 2

Answered

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...

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...

plus de 7 ans ago | 0

| accepted

Answered

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...

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...

plus de 7 ans ago | 0

Answered

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...

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...

plus de 7 ans ago | 0

| accepted

Solved

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...

plus de 7 ans ago

Solved

radius of a spherical planet

you just measured its surface area, that is the input.

plus de 7 ans ago

Solved

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 ...

plus de 7 ans ago

Solved

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...

plus de 7 ans ago

Solved

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...

plus de 7 ans ago

Solved

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]

plus de 7 ans ago

Solved

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

plus de 7 ans ago

Solved

Pangrams!

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

plus de 7 ans ago

Solved

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, ....

plus de 7 ans ago

Solved

Quote Doubler

Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

plus de 7 ans ago

Solved

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...

plus de 7 ans ago

Solved

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...

plus de 7 ans ago

Solved

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.

plus de 7 ans ago

Solved

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...

plus de 7 ans ago

Solved

Nearest Numbers

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

plus de 7 ans ago

Solved

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...

plus de 7 ans ago

Solved

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...

plus de 7 ans ago

Solved

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...

plus de 7 ans ago