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Progress bar
put fprintf('%d\n',progBar); inside the loop

대략 13년 전 | 0

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Calculating and Adding Percent Error to a Graph
You are missing the 'dot' in the following expression: percent_error= 100*(1)+(0.5*exp(-4*t)-(0.5*exp(-2*t))-(2-exp(-4*t(i)...

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Cannot deduce a transfer function! Help!
I always use fdatool it's pretty straight forward and you can see the result right away.

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Looping a function m-file, figures not closing
Try to make the figure invisible: set(gcf, 'Visible', 'off')

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function input
See this: http://www.mathworks.com/matlabcentral/answers/21111-getting-function-as-an-argument-of-function

대략 13년 전 | 1

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Finding the number of distinct letters in a string
For single letter detection I would create an array of 26 members. Now, assuming you have non-capital letters in the string you ...

대략 13년 전 | 0

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Power Spectral Density Plot
If you are using periodogram function without outputs, then it plots dB/Hz. However, if you do: [Pxx,w] = periodogram(...);...

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Save base workspace MAT file from GUI
Here is what I would do: for saving a particular set of variables in the struct you can create a struct and save it: structDA...

대략 13년 전 | 0

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colormapeditor
Quick way to fix the problem is: colormapeditor; pause; %conntinue your code With this, after the colormap editor appear...

대략 13년 전 | 0

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How to seperate fractional and decimal part in a real number
number=1.23; integ=floor(number); fract=number-integ;

대략 13년 전 | 9

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writing to an array
For .txt file this should work: A=importdata('Name.txt'); A=bin2dec(A); %not sure that this line will work save (name,'A'...

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I need to find difference equation and frequency response
Difference equation (I assume that z^z-1 should be z^-1): 3y[n-2]+2y[n-1]+y[n]=-3x[n]+z[n-1] Frequency response: B=...

대략 13년 전 | 0

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confused abt z and z(-1) in matlab
You can take your H(z) and divide by z. So you will have: z^(-1)-2 / z^(-1)+3. Now you can create two vectors containing zeros a...

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getting function as an argument of function
Let's say your function is f(x,y)=2x+y. You need to create this function prior you send it to your backEuler: f=@(x,y)2*x+y...

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how to initialize an M×N array whose size is unknown in for-loop
One but not very intelligent way to do it is allocate more memory that you need. You probably have an idea of what what would be...

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How to load .mat into GUI
handles.E=load(file_load);

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GUI handles does not update
Hi. Here is a problem: on my gui I have axes where I display an image. At first, my code was as following: axes(handles.ax...

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Extracting data of bode plot
This is straight from help file: [MAG,PHASE,W] = BODE(SYS) I hope you know what to do from here on.

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Create matrix...please help me..
I am also confused. Let's say that the user gives you two matrices A and B. It seems like you need to insert columns of one matr...

대략 13년 전 | 1

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Out of memory when calculating very large Matrix (~100000 , 200000)
Every time you add a new raw or column to your matrix, the program uses new memory because your old data + new data does not fit...

대략 13년 전 | 0

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How to create a random binary matrix with equal number of ones in each column?
Since it's a RANDOM matrix, you are not guaranteed to have the same amount of one's and zero's (at least it seems logical to me)...

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Using pushbutton to load file in GUI
do this: rawdata1=load([filepath1 filename1]); GUI does not pass files to the workspace. You have to use the rawdata1 va...

대략 13년 전 | 1

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better way of plotting to analyse
Check out help file on bar or barh. This form might be more clear for reading.

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are there another func.?
type in Command Window: format short and the output will be of about 5 decimal digits. However, if you have such a large num...

대략 13년 전 | 0

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How to see freq response of a wave file
f='name.wav'; [x,sr]=wavread(f) ; Ts=1/sr; N=2^15; x=x(1:N)'; ...

대략 13년 전 | 0

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converting images
If you dont use Doppler imaging (your images are grayscale), then it's better to have them as one channel, than is not RGB. This...

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declare variable accross all button
Just simply use handles.k instead of k everywhere. Then, after you changed this variable and want to save changes to it, you nee...

대략 13년 전 | 0

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iphone x-ray scanner
It works very simple: they play recorded video created from the picture of x-ray scan and as it is playing, they move it along t...

대략 13년 전 | 0

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how to check the contents of the variables?
don't put the semi column after the statement x=5 and you will get the expression in Command Window: >>x= >> 5 ...

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How to pass arrays to and from a GUI?
This is how I do it: x=evalin('base','X'); where x is my variable in GUI, 'base' assumes WorkSpace and X is a variable that...

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