1,862 total contributions since 2014

Professional Interests: Signal Processing, OOP, Matlab GUI programming, Machine Learning

Answered

Get position when using uicontextmenu

I use code like this to position my context menu under the cursor on an axes, though if you already have the figure handle at th...

Get position when using uicontextmenu

I use code like this to position my context menu under the cursor on an axes, though if you already have the figure handle at th...

12 hours ago | 0

Answered

replace duplicate value by 0 in matrix or vector

[C,ia] = unique( b ); b( setdiff( 1:numel(b), ia ) ) = 0;

replace duplicate value by 0 in matrix or vector

[C,ia] = unique( b ); b( setdiff( 1:numel(b), ia ) ) = 0;

14 hours ago | 0

Answered

Unrecognized function or variable 'axes34_CreateFcn'.

Unless you have explicitly created one axes don't have a createFcn set by default, so I assume you must have asked it to create ...

Unrecognized function or variable 'axes34_CreateFcn'.

Unless you have explicitly created one axes don't have a createFcn set by default, so I assume you must have asked it to create ...

1 day ago | 0

Answered

disp function error in matlab coder

disp is not supported by Coder. sprintf should work though.

disp function error in matlab coder

disp is not supported by Coder. sprintf should work though.

1 day ago | 0

Answered

How to create empty matrix in matlab?

myMatrix = cell( 10 ); would create a 10x10 cell array. If all your images are the same size though you'd be better off with t...

How to create empty matrix in matlab?

myMatrix = cell( 10 ); would create a 10x10 cell array. If all your images are the same size though you'd be better off with t...

1 day ago | 0

Answered

How can I display a specific frame in my image series ?

image10 = allImages( :, :, 10 ); images2_5 = double( allImages( :, : [2 5] ) ); image2_minusImage5 = diff( images2_5, [], 3 );...

How can I display a specific frame in my image series ?

image10 = allImages( :, :, 10 ); images2_5 = double( allImages( :, : [2 5] ) ); image2_minusImage5 = diff( images2_5, [], 3 );...

5 days ago | 0

Answered

extract logical locations that match array

B .* A would seem to give what you want

extract logical locations that match array

B .* A would seem to give what you want

6 days ago | 0

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Answered

how to select the desired range of each dimension from the 3d array?

new_precipitation = precipitation( 1400:1439, 500:519, 700:900 ) would create what you ask for though it will be 1 bigger in ea...

how to select the desired range of each dimension from the 3d array?

new_precipitation = precipitation( 1400:1439, 500:519, 700:900 ) would create what you ask for though it will be 1 bigger in ea...

8 days ago | 0

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Answered

Convert Z dimension to X dimension

myArray(:) will do for that kind of reshape, where myArray is obviously the array you start with.

Convert Z dimension to X dimension

myArray(:) will do for that kind of reshape, where myArray is obviously the array you start with.

16 days ago | 0

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Answered

Initial centroids selection - Kmeans

doc kmeans shows the idx = kmeans(X,k,Name,Value) function signature. If you look at the options for 'Name', 'Value' pairs y...

Initial centroids selection - Kmeans

doc kmeans shows the idx = kmeans(X,k,Name,Value) function signature. If you look at the options for 'Name', 'Value' pairs y...

20 days ago | 0

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Answered

MATLAB Answers Wish-list #5 (and bug reports)

Has there been any further thought on changing what is considered a compulsory field for users asking a question? Title, body a...

MATLAB Answers Wish-list #5 (and bug reports)

Has there been any further thought on changing what is considered a compulsory field for users asking a question? Title, body a...

20 days ago | 2

Answered

How to define range using a variable in xlsread?

doc sprintf can create a string out of variables, e.g. columnStr = 'B'; startRow = 50; endRow = 50; sprintf( '%s%i:EHI%i', ...

How to define range using a variable in xlsread?

doc sprintf can create a string out of variables, e.g. columnStr = 'B'; startRow = 50; endRow = 50; sprintf( '%s%i:EHI%i', ...

21 days ago | 0

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Answered

SOM codebook vectors output

net.IW{1} will give you the codebook vectors/weights. For example: x = simplecluster_dataset; net = selforgmap([8 8]); net ...

SOM codebook vectors output

net.IW{1} will give you the codebook vectors/weights. For example: x = simplecluster_dataset; net = selforgmap([8 8]); net ...

22 days ago | 0

Answered

How to automatically put the asked values in function by script?

You would have to define a function that takes two arguments (or an array of inputs to add), e.g. for an example of a fixed two ...

How to automatically put the asked values in function by script?

You would have to define a function that takes two arguments (or an array of inputs to add), e.g. for an example of a fixed two ...

23 days ago | 0

Answered

Dimensions of arrays being concatenated are not consistent.

Results_Values=[Amp',N',T',[velocity NaN].'];

Dimensions of arrays being concatenated are not consistent.

Results_Values=[Amp',N',T',[velocity NaN].'];

27 days ago | 1

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Answered

Could anyone help me how to store the result together in single matrix.

Making minimal changes to your code: B=[1 2; 1 3; 2 5; 2 4; 3 5; 4 6; ...

Could anyone help me how to store the result together in single matrix.

Making minimal changes to your code: B=[1 2; 1 3; 2 5; 2 4; 3 5; 4 6; ...

27 days ago | 0

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Answered

How to generate random matrix from another one?

newMatrix = reshape( oldMatrix( randperm( numel( oldMatrix ) ) ), size( oldMatrix ) ); should work, though I'm sure there are n...

How to generate random matrix from another one?

newMatrix = reshape( oldMatrix( randperm( numel( oldMatrix ) ) ), size( oldMatrix ) ); should work, though I'm sure there are n...

27 days ago | 0

Answered

Array indices must be positive integers or logical values

for i = length(Mag) doesn't make sense as this will just evaluate to a scalar. I don't see how this would be the source of you...

Array indices must be positive integers or logical values

for i = length(Mag) doesn't make sense as this will just evaluate to a scalar. I don't see how this would be the source of you...

27 days ago | 0

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Answered

Put label in colorbar

The label object should have a position that you can edit. The rotation of 270 rather than 90 moves it inside the tick labels f...

Put label in colorbar

The label object should have a position that you can edit. The rotation of 270 rather than 90 moves it inside the tick labels f...

28 days ago | 1

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Answered

Determination of data points in each cluster of K-means algorithm

accumarray( idx, 1 );

Determination of data points in each cluster of K-means algorithm

accumarray( idx, 1 );

1 month ago | 0

Answered

undefined function 'isnan' for input arguments of type 'table'

Assuming data is a table, try using curley braces { } instead of parentheses ( ), i.e. y=data{:,20}; X=data{:,[17:19,21:29]}; ...

undefined function 'isnan' for input arguments of type 'table'

Assuming data is a table, try using curley braces { } instead of parentheses ( ), i.e. y=data{:,20}; X=data{:,[17:19,21:29]}; ...

1 month ago | 0

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Answered

Transfer variables within function with different properties.

Either return it as an output argument from the previous function and pass it in as an input argument or store it as a class pro...

Transfer variables within function with different properties.

Either return it as an output argument from the previous function and pass it in as an input argument or store it as a class pro...

1 month ago | 1

| accepted

Answered

Using the function fmincon

The first argument needs to be a function handle, not a call to the function, although your function is FUNCTION so I'm not sure...

Using the function fmincon

The first argument needs to be a function handle, not a call to the function, although your function is FUNCTION so I'm not sure...

1 month ago | 0

Answered

Define function for rounding to precision

Usual scenario would be to multiply by 10^decimalPlaces, ceil and then divide by 10^decimalPlaces I would imagine. e.g. ceil( ...

Define function for rounding to precision

Usual scenario would be to multiply by 10^decimalPlaces, ceil and then divide by 10^decimalPlaces I would imagine. e.g. ceil( ...

2 months ago | 1

Answered

How to plot the curve?

R = B ./ ( 1 + k'/2 ); figure; plot( R ) or R = bsxfun( @rdivide, B, ( 1 + k'/2 ) ); for earlier versions of Matlab that don...

How to plot the curve?

R = B ./ ( 1 + k'/2 ); figure; plot( R ) or R = bsxfun( @rdivide, B, ( 1 + k'/2 ) ); for earlier versions of Matlab that don...

2 months ago | 0

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Answered

max value in a repetitive vector

maxes = [vec( diff( vec ) < 0 ), vec(end)]; works if it is as structured as your example always, where vec is your vector. If ...

max value in a repetitive vector

maxes = [vec( diff( vec ) < 0 ), vec(end)]; works if it is as structured as your example always, where vec is your vector. If ...

2 months ago | 1

| accepted

Answered

How can I download matlab R2016a?

Click on your symbol in the top-right of this page, next to the telephone icon and click on 'My Account'. In your licencse list...

How can I download matlab R2016a?

Click on your symbol in the top-right of this page, next to the telephone icon and click on 'My Account'. In your licencse list...

2 months ago | 0

Answered

Group maths on for loop

omegas=0:1:10; RR=40:70; d=90; numOmegas = numel( omegas ); numRR = numel( RR ); gg = zeros( numOmegas, numRR ); for i=1...

Group maths on for loop

omegas=0:1:10; RR=40:70; d=90; numOmegas = numel( omegas ); numRR = numel( RR ); gg = zeros( numOmegas, numRR ); for i=1...

2 months ago | 0

Answered

How to work the Mean function

doc mean shows you the syntax of the mean function. It expects an array, not multiple arguments. Generally you take the mean ...

How to work the Mean function

doc mean shows you the syntax of the mean function. It expects an array, not multiple arguments. Generally you take the mean ...

2 months ago | 0

| accepted