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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...

ungefär 13 år ago

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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:...

ungefär 13 år ago

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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...

ungefär 13 år ago | 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...

ungefär 13 år ago | 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 ...

ungefär 13 år ago | 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...

ungefär 13 år ago | 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...

ungefär 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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 ...

mer än 13 år ago | 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...

mer än 13 år ago | 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 ...

mer än 13 år ago | 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...

mer än 13 år ago | 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: ...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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....

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 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.

mer än 13 år ago | 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...

mer än 13 år ago | 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...

mer än 13 år ago | 0