Answered
i can't use syms in matlab
run "ver symbolic". If you don't see the Symbolic Math Toolbox, then you don't have the Symbolic Math Toolbox.

6 years ago | 0

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How to repeat a subsystem output multiple times in SImulink
Use an Integrator block with constant as the input. Compare the out with the Maximum value and trig reset.

6 years ago | 0

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How to solve '' error(message('symbolic:sym:errmsg1')); ''
remove the "." in "syms xx."

6 years ago | 0

Answered
Merging different position (length) lines ??
Although the two curves look different in length and position, technically, curve one still have values (all zero) at the begini...

6 years ago | 0

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Answered
Matrix element comparision ?
V=[3 0;1 2;1 4]; out=sum(M==min(M))==1

6 years ago | 0

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Answered
Using a column vector of indices to replace values in a matrix
C=[1,2,3]'; M=magic(5); index=setdiff(1:numel(M),C); M(index)=0

6 years ago | 2

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Answered
How to plot a "goal" into my plot?
help rectangle

6 years ago | 0

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Answered
Why is `struct('name', value)` different with dot notation?
It is in the document. Check this example in the document. One creates a 1x2 struct array. The other creates a single struct. >...

6 years ago | 0

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Integer check with a symbolic variable
If you want to check whether (p-1)/2 is an integer, then check whether p is an odd number. But since p is a prime number, it see...

6 years ago | 1

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Corresponding values between two matrices
index=ismember(A(:,2),B(:,1)); A(index,1)

6 years ago | 0

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Answered
How to make pop up suggestion text box for an input field
a=uicontrol; a.Tooltip='input must be between 0 and 10';

6 years ago | 0

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How to colour plot grey
f=figure; f.Color=[0.5, 0.5, 0.5]; %adjust the RGB for your shade of gray

6 years ago | 1

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Answered
How do I dock the workspace window in the command window?
On the tool bar, click Layout then default

6 years ago | 6

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Answered
Find the help for sim command in the MPC Toolbox
There seems to exist a consistency issue. In R2018a, "doc mpc/sim" brings up the correct doc page. The address is web(fullfil...

6 years ago | 0

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Answered
Simulink compare shows false positives
It sounds like a bug. You could contact tech support to confirm. I've seen similar results quite often, even in later versions a...

6 years ago | 0

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Answered
Undefined function or variable 'xlim' Error
run"which -all xlim"?

6 years ago | 0

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Answered
Simulink model crashing when including to workspace block
The "To Workspace" block saves variables to the workspace which needs memory to store the variables. It sounds like that you mig...

6 years ago | 0

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Issue in To workspace block in 2019b
Drag a "To Workspace" block from the library, if you only change the fomat from "Timeseries" to "array", then the variable in th...

6 years ago | 0

Answered
How can I select a specific variable in the .mat file which contains different variables in the user interface?
Use load() with return structure. gongStruct = load('gong.mat'); fieldnames(gongStruct) Use matfile object. Help matfile

6 years ago | 2

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Answered
How to display a matrix in 1 column?
Don't struggle too much. A for-loop will do. Or displaying "column #" would be more helpful when the array size is bigger. for ...

6 years ago | 0

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Answered
how can I read different data types from excel file
[NUM,TXT,RAW]=xlsread(FILE). Get the Raw data.

6 years ago | 1

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Error 2019b simulink plotting
Open the scope, View, Style, set the "Marker" to be "none".

6 years ago | 0

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Answered
block type "MATLABFcn": not yet supported by simulink coder
Run this in your MATLAB version to bring up the document. web(fullfile(docroot, 'simulink/ug/comparison-of-custom-block-functio...

6 years ago | 0

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Answered
eval and inline function
f3=inline('1/(sqrt(x^2+y^2))'); x=1/2; y=5; f3(x,y)

6 years ago | 0

Answered
Index exceeds the number of array elements (1)
You need to replace z with z(1), z2 with z(2), z6 with z(6). Similarly for v, v2, ... v6. Some fundermental MATLAB basics: z=r...

6 years ago | 1

Answered
Merge of Logical Indexing one dimension matrix from multi dimension?
all(A)

6 years ago | 1

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Answered
Execute subsystem in Simulink if condition is met for 5 seconds?
Do an equal comparison (==) between RC_flag and zero, generate this int_flag. Feed int_flag to an Integrator. If the output of t...

6 years ago | 0

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Answered
How can I fix the error when I open the example 'ACCTestBenchExample'?
It is likely that the data has not been properly loaded. Run the following to bring up the Help page and click "Open Model" to s...

6 years ago | 0

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Indexing a Variable in an Input Prompt
prompt = sprintf('Player %i move x: ', Playerturn)

6 years ago | 0

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What is the correct syntax for save_system for SaveDirtyReferencedModels?
save_system('modelT','modelT','SaveDirtyReferencedModels',true), or replace true with 'on'

6 years ago | 1