Christopher Berry
MathWorks
I love all things code. However, Simulink is growing on me.
Professional Interests: Embedded Systems, FPGA, HDL, Code Generation
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10 of your answers have been accepted
Awarded to Christopher Berry on 15 Feb 2022
3 of your answers have been accepted
Awarded to Christopher Berry on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Christopher Berry on 20 Jul 2017
Content Feed
Linking projects together in Simulink project
There are a couple of options for what you are describing, depending on your needs. The easiest, would be to use what is called ...
más de 9 años hace | 0
how can i convert irregularly placed space data into 3d grid
Enkuneh, I just answered a very similar question about this same topic - irregular to regular 3D data transformation. Check o...
más de 9 años hace | 2
Creating a 3d volumetric matrix for irregular xyz data with multiple depths
Jenny, It seems like you just need to map your nodes to the input arguments for |scatteredinterpolant|. For an irregular grid...
más de 9 años hace | 5
Mutual array between matrixes ( complete )
I think that your algorithm description and examples values are contradictory, so its hard to answer this exactly. But, I will s...
más de 9 años hace | 0
how to get values of a matrix in MATLAB where the indices are given in a MATRIX form?
Valeria, You can access a subset of the rows (but all of the columns) by converting the column indexes returned by |sort| int...
más de 9 años hace | 1
How do I invoke a shadowed core MATLAB function (not built-in) from an overloaded function of same name
Julian, I think you had the right idea with the |run| command to call |print|, but use the fullpath instead of |cd| into the ...
más de 9 años hace | 0
read a large prime number(which is in hexadecimal form) from a file and store that in a global variable(integer form)
Anil, Your prime number is a 192 character hexadecimal number, so that is roughly |2^768| in size. This is much bigger than t...
más de 9 años hace | 1
Bootstrap with observations not being rows
Fernando, The function |bootstrp| will take in a column vector of |cells| as well as a standard vector/matrix of |doubles|. ...
más de 9 años hace | 0
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create a loop using regexp
You can do this with regular expressions, but your name requirements seem simple enough to do with |dir| and |sprintf| instead. ...
más de 9 años hace | 0
How can I plot trajectories on top of a map?
The Mapping toolbox has a number of great functions to help out with exactly this type of thing. If you just want the specifi...
más de 9 años hace | 1
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Accessing sparse matrix components in MATLAB
As far as I can tell (from looking through the documentation) there is not a quick and easy way to get access to sparse competen...
más de 9 años hace | 0
Several draws from multivariate normal distribution
Cris, Since your |sigma| matrix is diagonal, there is no need to use a multivariate distribution - your variables are complet...
más de 9 años hace | 3
| aceptada
Several draws from multivariate normal distribution
The function you are looking for is |mvnrnd|. You will still have to call |mvrnd| one distribution at a time, and hence looping ...
más de 9 años hace | 0
Plotting higher-dimensional data in two-dimensions which has already processed using supervised learning
James, I think what you might be looking for is |scatter| coupled with specifying the |MarkerColor| as a vector corresponding...
más de 9 años hace | 0
| aceptada
How to select specific rows with a certain range/certain value in another row?
Pinga, 1. To get |Data| as a 1x90 cell array, use the following code: Data = Data{1}(1:90) There are two ways to ref...
más de 9 años hace | 0
| aceptada
Control Simulibk step size through an internal coondition
Anfanger, In order for the parameters |MinStep| and |MaxStep| to be enabled, the solver |Type| must be |VariableStep|. If y...
más de 9 años hace | 0
Comparing accuracy of symbolic computation with matlabFunction
Hari, It seems you have answered your own question here, but just to clarify on the issue of accuracy, I will add a little to...
más de 9 años hace | 1
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How to get rid of zeros in data?
I think you were on the right track with Conversion_Eff=Conversion_Eff(Conversion_Eff~=0); Accel=Accel(Conversion_Eff~=...
más de 9 años hace | 0
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Switch block need help
Adham, The documentation for this block is a bit confusing. Think of it as an |if-else|, which may make more sense if you hav...
más de 9 años hace | 0
| aceptada
How to implement a simulink model to perform Matrix multiplication ?
Matrix multiplication in Simulink is almost as easy as it is in MATLAB itself. See the block diagram below: <</matlabcentra...
más de 9 años hace | 1
How can I use fprintf to save a txt file with different size matrix ?
One way you might do this is to use |if-else| statements around your |fprintf|, like this: fprintf(fid, '%d\t', Ultratimefin...
más de 9 años hace | 2
| aceptada
Placing a Title on Bounding Box
What you are looking for is either |annotation|. You can also you |sprintf| to get the string formatted with the information yo...
más de 9 años hace | 2
Is there a faster way to plot wireframe cubes from their centers and sizes?
If all you need is truly a wireframe cube, then you can speed things up a quite a bit by using only lines and avoiding patches a...
más de 9 años hace | 0
I have some force data and corresponding time data. How to remove vibration signal from force data?
Since there is a "gap" between your desired signal and the unwanted vibrations, the simplest way to do what you are describing i...
más de 9 años hace | 0
How can I plot two arrays with different number of columns in one figure with different colours?
MATLAB uses (row,column) indexing, so I think you've got it backwards in your examples A and B :) But, assuming you want to...
más de 9 años hace | 0
how to plot struct data?
The |simout| structure has |simout.signals|, |simout.time| and |simout.blockName| fields. The |simout.signals| field also has a...
más de 9 años hace | 3
| aceptada
Multiple Text files to Labeled matrix/array
It sounds like you really should be using a |table| data type. Take a look at some of the examples on the document page here: ...
más de 9 años hace | 0
Adjusting the numbers in a string
Will, You can use |sprinf| to create the file name strings and |%03d| to get up to 3 leading zeros. For example >> spri...
más de 9 años hace | 1
How to reshape a vector without knowing the dimensions?
Using |reshape| with only 2 dimensions specified will work only if the number of elements is such that the 3rd dimension fits ex...
más de 9 años hace | 1
| aceptada
How to calculate integral of a function ?
The function name that you are looking for is |integral| not |int|. Changing this should get your code working. You can see the...
más de 9 años hace | 0
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