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How to update values in Simulink

All you need is to declare "a" as a persistent variable. doc persistent

How to update values in Simulink

All you need is to declare "a" as a persistent variable. doc persistent

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Simulink Solver Information tooltip, Solver selection and Stepsize calculation

Maximize the the window of your Simulink model, at the most bottom-right corner, you'll see the solver name, such as ode45. Clic...

Simulink Solver Information tooltip, Solver selection and Stepsize calculation

Maximize the the window of your Simulink model, at the most bottom-right corner, you'll see the solver name, such as ode45. Clic...

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How to get property of blocks

Assume your model passes model update, here is an example. vdp; vdp([],[],[],'compile'); get_param('vdp/Mu','CompiledPortData...

How to get property of blocks

Assume your model passes model update, here is an example. vdp; vdp([],[],[],'compile'); get_param('vdp/Mu','CompiledPortData...

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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.

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.

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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.

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.

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How to solve '' error(message('symbolic:sym:errmsg1')); ''

remove the "." in "syms xx."

How to solve '' error(message('symbolic:sym:errmsg1')); ''

remove the "." in "syms xx."

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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...

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...

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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

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

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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. >...

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. >...

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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...

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...

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Corresponding values between two matrices

index=ismember(A(:,2),B(:,1)); A(index,1)

Corresponding values between two matrices

index=ismember(A(:,2),B(:,1)); A(index,1)

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How to make pop up suggestion text box for an input field

a=uicontrol; a.Tooltip='input must be between 0 and 10';

How to make pop up suggestion text box for an input field

a=uicontrol; a.Tooltip='input must be between 0 and 10';

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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

How to colour plot grey

f=figure; f.Color=[0.5, 0.5, 0.5]; %adjust the RGB for your shade of gray

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How do I dock the workspace window in the command window?

On the tool bar, click Layout then default

How do I dock the workspace window in the command window?

On the tool bar, click Layout then default

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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...

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...

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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...

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...

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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...

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...

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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...

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...

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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

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

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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 ...

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 ...

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how can I read different data types from excel file

[NUM,TXT,RAW]=xlsread(FILE). Get the Raw data.

how can I read different data types from excel file

[NUM,TXT,RAW]=xlsread(FILE). Get the Raw data.

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Error 2019b simulink plotting

Open the scope, View, Style, set the "Marker" to be "none".

Error 2019b simulink plotting

Open the scope, View, Style, set the "Marker" to be "none".

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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...

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...

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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...

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...

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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...

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...

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