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Last seen: 4 years ago |  Active since 2011

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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...

7 years ago | 0 answers | 0

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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 ...

8 years ago | 0 answers | 0

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Answered
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...

8 years ago | 0

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Answered
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...

9 years ago | 0

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

9 years ago | 0

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Answered
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...

11 years ago | 1

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Answered
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.

11 years ago | 0

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Answered
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...

11 years ago | 0

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Answered
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...

11 years ago | 0

Answered
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...

11 years ago | 0

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Answered
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...

11 years ago | 0

Answered
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...

11 years ago | 2

Answered
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...

11 years ago | 0

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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...

11 years ago | 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...

12 years ago | 0 answers | 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 = ...

12 years ago | 2 answers | 0

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Answered
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...

13 years ago | 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 ...

13 years ago | 1 answer | 0

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answer

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...

13 years ago | 0 answers | 0

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answers