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Last seen: plus de 3 ans il y a |  Actif depuis 2011

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Question


Can an amplifier in Simulink receive its input from a workspace variable?
I am trying to model an amplifier using the Amplifier block in Simulink. I am familiar with driving the amplifier using a signal...

plus de 7 ans il y a | 1 réponse | 0

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réponse

Question


Problem with 64 bit WAV file using audiowrite
I am using a script to generate test wav files at different sampling rates and bit depths. So far everything has worked fine up ...

environ 8 ans il y a | 1 réponse | 0

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A résolu


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

plus de 8 ans il y a

Réponse apportée
array length is not what I've set...
The first time the loop executes it sets Hopt_new(90). The second time it sets Hopt_new(91). If you want to start at the f...

plus de 8 ans il y a | 0

| A accepté

Réponse apportée
Why is 'cp_2-feb-2016_1' invalid string in MATLAB?
Strings in Matlab must be surrounded by single quotes. For example: >> 'cp_2-feb-2016_1' ans = cp_2-feb-2016...

plus de 8 ans il y a | 0

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

plus de 8 ans il y a

A résolu


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

plus de 8 ans il y a

A résolu


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

plus de 8 ans il y a

Réponse apportée
Import columns from a CSV by header name
The csvread function is capable of doing what you want to do.

plus de 8 ans il y a | 0

| A accepté

A résolu


Add two numbers
Given a and b, return the sum a+b in c.

plus de 8 ans il y a

A résolu


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

plus de 8 ans il y a

A résolu


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

plus de 8 ans il y a

A résolu


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 8 ans il y a

Réponse apportée
Matlab is making small errors during computations
Check here: <http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F link> If you need...

environ 11 ans il y a | 1

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Passing Variable Number of Arrays to a function with varargin
Hi Doug, varargin starts at index 1, not index 2. That should fix it up.

environ 11 ans il y a | 0

| A accepté

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How to find x,y matrix using for sintax
Hi, Here is my implementation. Let me know if there is something you do not understand. [r,c] = size(a); % Starts...

environ 11 ans il y a | 0

| A accepté

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How to find percentages of red, yellow, orange and green in an image?
Hi Siddharth, I would take a look at the imread function build into Matlab. For an RGB image of size M-by-N, it will import t...

environ 11 ans il y a | 0

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How do I even open the Instrument Control Toolbox?
Hi Z, By default, toolboxes are not listed in your Win7 start menu (I'm not sure you can make them appear there). You can ope...

environ 11 ans il y a | 0

| A accepté

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how can I do time shifting of 0.001seconds in a dirac delta function and in a PN sequence. means i want p(n-.001) each time i try i get the following error :- Attempted to access PN1(1,0.999); index must be a positive integer or logical. my code is:
Hi Vaishali, Matlab array indices must be positive integers. PN1 is a matrix or array. PN1(x,y) specifies the array element a...

environ 11 ans il y a | 0

Réponse apportée
Is it possible to combine strings and variables in a matrix?
Hi Z, Here are 2 solutions: 1. Change: disp [rate, duration] to: disp([rate, duration]) 2. Use fprintf state...

environ 11 ans il y a | 2

Réponse apportée
Optimization of a simple IF-FOR loop
Hi Mohsen, A few things I will recommend: 1. Take advantage of Matlab's Profiler. Type profview in the Command Window to a...

environ 11 ans il y a | 0

Réponse apportée
Subscripted assignment dimension mismatch.
Hi Jonathan, Your problem is that the findpeaks function can return an empty array, [ ], or an array with multiple entries [p...

environ 11 ans il y a | 0

Question


Indexing error using ezplot
Hi, I'm writing a code that uses symbolic variables and ezplot. My equation contains 17 variables, and I am trying to find the d...

presque 12 ans il y a | 1 réponse | 0

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Question


Minute error in array causes == to be ineffective
Hi, I am trying to use an if statement using the == comparator to search an array of numbers. Something like this: for i = ...

environ 12 ans il y a | 2 réponses | 0

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While Loop Help
I assume you will add items to the ship based solely on value/weight ratio? If so, this is quite simple. A while loop is writ...

environ 13 ans il y a | 0

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Question


Using EOF flag to change multimedia block parameters
Hi, I am wondering if it is possible to use the EOF flag on Simulink's 'From Multimedia File' block to trigger block parameter ...

environ 13 ans il y a | 1 réponse | 0

1

réponse

Question


fda tool not meeting frequency specifications
I'm developing an audio equalizer using MATLAB's fdatool, and I'm noticing some very strange things are happening. For low-frequ...

environ 13 ans il y a | 1 réponse | 0

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réponse