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How can i search for a specific Constant Value?
This will search through your Simulink model for any constant containing the value of '8'. However, when you retrieve the 'Value...

12 years 前 | 0

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Given matrices XX and YY of sizes 3X3, how can I generate the following matrix: [XX(1,1) YY(1,1); XX(1,2) YY(1,2)... ?
or: XX = magic(3); YY = eye(3); XX_trans = transpose(XX); YY_trans = transpose(YY); out = [XX_trans(:) ...

12 years 前 | 0

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Given matrices XX and YY of sizes 3X3, how can I generate the following matrix: [XX(1,1) YY(1,1); XX(1,2) YY(1,2)... ?
This is one way of doing it - expanding on my answer to your previous question: XX = magic(3); YY = eye(3); out =...

12 years 前 | 0

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unwrap the angle code
Going from a range of -360 to 360 degrees to 0 to 360 degrees is usually called wrapping the angle, not unwrapping. This anony...

12 years 前 | 0

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removing a loop from a script
Simple: d = 1+(20-1).*rand(365,5); bthD = 1:5; kd = 1+(2-1).*rand(365,1); newD = d.*exp(-kd*bthD);

12 years 前 | 0

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How can I generate the matrix [1 1; 1 2; 1 3 ; 2 1; 2 2; 2 3; 3 1 ; 3 2 ; 3 3] without loops?
I have no idea what your data is, but to generate the matrix in the question try: out = unique(nchoosek([1:3, 1:3], 2), 'ro...

12 years 前 | 0

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remove rows in cell if a column is equal to a number
X = {'B737' 'DAL1240' [10] 'MD88' 'DAL1542' [ 9] 'B747' 'DAL1284' [ 9] 'B737' 'DAL15...

12 years 前 | 1

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How can I change fileID name in a for loop?
<http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F>

12 years 前 | 1

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Finding the numbers of a vector with the same length?
rep=diff(find(diff([-Inf x Inf]))); val=x(cumsum(rep)); out = hist(rep(val == 1), max(rep));

12 years 前 | 0

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已回答
Why the ''break'' function does not work
Are you putting 'clear all' at the beginning of your scripts by any chance? This will remove the breakpoints.

12 years 前 | 1

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how to getting data from URL
weatherData = urlread('http://weather.yahooapis.com/forecastrss?w=551801&u=c'); You will however have to parse the RSS feed...

12 years 前 | 0

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Compound Interest with monthly Contributions, Unable to vectorize.
You don't even need to vectorise, just calculate the answer directly. The answer below is slightly lower than your answer. But i...

12 years 前 | 0

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Error with silent install
You left the file installation key section blank. You therefore need to add you key and uncomment the line (by removing the # sy...

12 years 前 | 0

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Simulation of speed control of a stepper motor using phase locked loop
There are plenty of tutorials for this already, just look for those related to velocity feedback control: <http://www.mathwor...

12 years 前 | 0

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Changing the bits randomly
or less brute force without a for loop: nInput = 1056; nShift = bin2dec('11111'); nOffset = nInput - nShift; ...

12 years 前 | 0

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Changing the bits randomly
Try this, it is a somewhat brute force approach to solving your problem. The value 'nMatch' should give you the desired answer: ...

12 years 前 | 0

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Undefined function 'eval' for input arguments of type 'double'.
You are getting that error because you are trying to evaluate a double. A double is just a double - there is nothing there to ev...

12 years 前 | 0

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已回答
How to write multiple if statements
You have too many 'end' statements within your code. An if-else statement should be formatted like this: if a == 1 % ...

12 years 前 | 4

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what should i do for error 'Undefined function or method 'state' for input arguments of type 'char' when using 'SS' command?
The state-space input matrices to the 'ss' command should all be numeric and have the following size relationships: A: p x ...

12 years 前 | 0

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count the duration for which variable value is zero in simulink
I'd take the input and convert it into a logical signal (1's and 0's), inverse this signal using a NOT block. Convert this back ...

12 years 前 | 1

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已回答
Extract numbers from mixed string
In order to extract a certain value: Str = ['Test setup: MaxDistance = 60 m, Rate = 1.000, ', ... 'Permitted Erro...

12 years 前 | 0

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Up and down counter
I would suggest using either an integrator block with external initial conditions and a switched input, or design a Stateflow bl...

12 years 前 | 0

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Control a Simulink module by an M-file
You are all making this more complicated than it actually is. Use the 'Step' block. Set the initial value to '100', set the fina...

12 years 前 | 0

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How to create a loop calcualtion?
Here is an example of a quick loop that calculates a value based on the previous value. The loop simply calculates the value as ...

12 years 前 | 1

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Finding specific phrases within a cell array (1)
See 'strtok' as one possible solutions. For example: celltxt{1} = 'EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.'; [tok, ...

12 years 前 | 1

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Error displayed : Undefined function or variable 'Tg'
Even if it is a global variable you still need to add it to your Embedded Function. Open your Embedded Function, then click ...

12 years 前 | 1

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已回答
Change the line color in subplot
An easier way might be to call 'hold all' after each subplot definition, and then just plot your values as normal. For example: ...

12 years 前 | 1

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Error compounds adding date numbers
If you are using MATLAB date numbers they are stored as double precision numbers. This means the resolution of the date numbers ...

12 years 前 | 0

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verification of the intepretation of a simple code that contains "isequalwithequalnans"
No, that interpretation is NOT correct. The statement says if BOTH b and c are different to a then 'Not ok'. Or in other wor...

12 years 前 | 0

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Creating a matrix using for loop.
Try this: a = [0.12;0.1;0.2;0.3;0.4;0.5;0.6;0.7;0.8;0.9] f = zeros(length(a)); for b=length(a):-1:1 f(:,...

12 years 前 | 1