Gelöst

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...

etwa 14 Jahre vor

Gelöst

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:...

etwa 14 Jahre vor

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Is there a simulation speed difference between subsystem and model block? and What's the best way to set and handle parameters?
Q1 - Model blocks are specifically designed to improve componentization of parent model and directly results in speed improvemen...

etwa 14 Jahre vor | 0

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Simulink simulation
Check out <http://blogs.mathworks.com/seth/2010/06/22/how-to-customize-the-simulink-scope this> blog post that talks about custo...

etwa 14 Jahre vor | 0

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converting cell of strings in arry or cell of numbers
STR2NUM requires a single string to work on. You need to loop around the individual cell elements and use STR2NUM. CELLFUN is a ...

etwa 14 Jahre vor | 0

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And function in While loop
As is the case with any programming language, MATLAB evaluates the second operand of an AND operation only when the first operan...

etwa 14 Jahre vor | 0

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Find
Try making the input strings as part of a cell array. Then use STRFIND or STRCMP which will return a logical array of comparison...

etwa 14 Jahre vor | 0

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y=x(100:1000)
Matrix indexing - this <http://www.mathworks.com/company/newsletters/articles/Matrix-Indexing-in-MATLAB/matrix.html;jsessionid=S...

etwa 14 Jahre vor | 0

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Create and name a directory
You should be creating customized strings using concatenation and passing those strings to mkdir. Current folder name could be o...

etwa 14 Jahre vor | 1

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Why would a Simulink disabled block still be executed?
The MATLAB Fcn block will be executed once before simulation to determine what the dimensions of the output will be. This will h...

mehr als 14 Jahre vor | 0

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Getting the signal names from a bus.
How about the output signal names? I think the selector block gets the information even during edit time - you might need to com...

mehr als 14 Jahre vor | 0

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Out of memory - opening a big file
The <http://www.mathworks.com/support/tech-notes/1100/1107.html tech note> provides some general guidelines for handling out of ...

mehr als 14 Jahre vor | 0

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Dynamic Input File Name Recognition
I'd strongly recommend using <http://www.mathworks.com/help/techdoc/matlab_prog/f0-42649.html Regular Expressions> for such pars...

mehr als 14 Jahre vor | 0

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Simulink missed some of the time values during simulation?
The time steps chosen by Simulink depends on the type of solver (and the system that is being solved) that you have chosen. You ...

mehr als 14 Jahre vor | 0

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Matlab function block
As long as you do not care about code generation, you should be able to call any function in the MATLAB path. Refer to the <http...

mehr als 14 Jahre vor | 0

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selcting 3 values from top 10 values
A good place to start is <http://www.mathworks.com/help/techdoc/math/f1-85462.html Matrix Indexing>. One way of achieving this: ...

mehr als 14 Jahre vor | 0

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Improving accuracy of computation
I recommend reading <http://blogs.mathworks.com/loren/2006/08/23/a-glimpse-into-floating-point-accuracy/ Loren's post> on this t...

mehr als 14 Jahre vor | 0

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Different SNR value - blockset
In general, you could use a <http://www.mathworks.com/help/toolbox/simulink/slref/foreach.html For Each subsystem> inside Simuli...

mehr als 14 Jahre vor | 0

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Anything wrong with this PWM generation model?
I see that you changed the solver and zero-crossing settings and presume you have read through the various <http://www.mathworks...

mehr als 14 Jahre vor | 0

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Function capability in Matlab
The argument list to the function should be the variable names themselves and not a string (within quotes) of the variable name....

mehr als 14 Jahre vor | 1

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How to: Make a simulink block to read in a data file?
I am not aware of a block in Simulink that can read from a normal ASCII file (you could potentially write your own Level-2 MATLA...

mehr als 14 Jahre vor | 0

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how can i solve this problem about 'OUT OF MEMORY'
There is an excellent resource on understanding how MATLAB uses memory and how you can avoid out of memory issues - <http://ww...

mehr als 14 Jahre vor | 1

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MATLAB Simulink communication in real time
One way to tune the parameter based on a change in a variable in the MATLAB workspace is to 'update' the model while it is still...

mehr als 14 Jahre vor | 4

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How to detect frequency of a sinusoidual signal with s-function?
Provided you are not interested in generating code from the resulting Simulink model, <http://www.mathworks.com/help/toolbox/sim...

mehr als 14 Jahre vor | 0

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polyfit and code generation
The <http://www.mathworks.com/help/toolbox/signal/br7exek-1.html list of supported functions> doesn't seem to suggest that POLYF...

mehr als 14 Jahre vor | 0

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Error with dynamically created m-files
This is because there is no guarantee that there is a refresh of your file path and your new file may or may not be picked up. A...

mehr als 14 Jahre vor | 0

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Fitting a Gamma distribution with threshold parameter: error message?
The error points to the MINUS operator. It appears that the variables x and n (and hence pEmp?) have the same dimensions and par...

mehr als 14 Jahre vor | 0

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making a text figure
TEXT usually lives under $matlabroot\toolbox\matlab\graph2d\text - if you do not find it there, I'd re-install MATLAB.

mehr als 14 Jahre vor | 0

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Look up table for a dynamics problem
One way to do this would be to create a MAT file with the data (there are some interpolation functions to generate the data auto...

mehr als 14 Jahre vor | 0

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Bus in Simulink
I am suspecting that you created a Simulink.BusElement, assigned it as element to a Simulink.Bus and used the Simulink.Bus objec...

mehr als 14 Jahre vor | 0