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Last seen: meer dan 3 jaar 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...

meer dan 7 jaar ago | 0 answers | 0

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answers

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 ...

ongeveer 8 jaar ago | 0 answers | 0

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answers

Solved


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...

meer dan 8 jaar ago

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...

meer dan 8 jaar ago | 0

| accepted

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...

meer dan 8 jaar ago | 0

Solved


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 ...

meer dan 8 jaar ago

Solved


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...

meer dan 8 jaar ago

Solved


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

meer dan 8 jaar ago

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

meer dan 8 jaar ago | 0

| accepted

Solved


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

meer dan 8 jaar ago

Solved


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 ...

meer dan 8 jaar ago

Solved


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...

meer dan 8 jaar ago

Solved


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:...

meer dan 8 jaar ago

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...

ongeveer 11 jaar ago | 1

| accepted

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.

ongeveer 11 jaar ago | 0

| accepted

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...

ongeveer 11 jaar ago | 0

| accepted

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...

ongeveer 11 jaar 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...

ongeveer 11 jaar ago | 0

| accepted

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...

ongeveer 11 jaar 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...

ongeveer 11 jaar 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...

ongeveer 11 jaar ago | 0

Answered
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...

ongeveer 11 jaar 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...

bijna 12 jaar ago | 0 answers | 0

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answers

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 = ...

bijna 12 jaar ago | 2 answers | 0

2

answers

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...

ongeveer 13 jaar ago | 0

| accepted

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 ...

ongeveer 13 jaar ago | 1 answer | 0

1

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...

ongeveer 13 jaar ago | 0 answers | 0

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answers