12.103 total contributions since 2009

It is easier to solve a problem than to guess, what the problem is.

Questions about FileExchange submissions are welcome - get my address from the code. I do not answer mails concerning questions in the forum.

Answered

Create Matrix with zeros, ones and some numbers.

With 2 "numbers" only: c = ['0 0 0 0 0 1 ', ... '0 0 0 0 0 1 ', ... '1 2 3 4 5 1 ', ... '0 2 4 6 8 1 ', ... ...

Create Matrix with zeros, ones and some numbers.

With 2 "numbers" only: c = ['0 0 0 0 0 1 ', ... '0 0 0 0 0 1 ', ... '1 2 3 4 5 1 ', ... '0 2 4 6 8 1 ', ... ...

ongeveer 14 uur ago | 0

| accepted

Answered

cannot open source file "mex.h"

fullfile(matlabroot,'extern', 'include', 'mex.h') mex.h belongs to Matlab's toolbox files. "I am using IAR embedded workbench ...

cannot open source file "mex.h"

fullfile(matlabroot,'extern', 'include', 'mex.h') mex.h belongs to Matlab's toolbox files. "I am using IAR embedded workbench ...

ongeveer 14 uur ago | 0

Answered

Error link of '.mexw64' failed

What about: mex generateEllipseCandidates.cpp libmwlapack.lib libmwblas.lib ... and omit "-lC:/MATLAB/R2013a/extern/lib/win64/...

Error link of '.mexw64' failed

What about: mex generateEllipseCandidates.cpp libmwlapack.lib libmwblas.lib ... and omit "-lC:/MATLAB/R2013a/extern/lib/win64/...

ongeveer 17 uur ago | 0

Answered

Color-interpolated patch legend is in full color instad of being interpolated

The legend command is (one of) the most frequently modified function(s) of Matlab's toolboxes. You can access the contents of th...

Color-interpolated patch legend is in full color instad of being interpolated

The legend command is (one of) the most frequently modified function(s) of Matlab's toolboxes. You can access the contents of th...

ongeveer 18 uur ago | 0

Answered

How to convert multi sized cell array into an MxN matrix

Matrices have te same number of elements in all columns and rows, repsectively. This is the definition of a matrix. So you canno...

How to convert multi sized cell array into an MxN matrix

Matrices have te same number of elements in all columns and rows, repsectively. This is the definition of a matrix. So you canno...

ongeveer 19 uur ago | 1

| accepted

Answered

ismethod(string('test'), 'endsWith') under R2016b and 2018b

The release notes of R2019a explain: --------------- First argument to ismethod must be an object Behavior change in future r...

ismethod(string('test'), 'endsWith') under R2016b and 2018b

The release notes of R2019a explain: --------------- First argument to ismethod must be an object Behavior change in future r...

4 dagen ago | 1

Answered

How to run function within for loop

I prefer providing parameters by anonymous functions instead of nested function. See Answers: Anonymous function for params . Th...

How to run function within for loop

I prefer providing parameters by anonymous functions instead of nested function. See Answers: Anonymous function for params . Th...

4 dagen ago | 0

| accepted

Answered

Index in position 1 exceeds array bounds (must not exceed 8).

I do not know, which of the variables is "your image". That is is "binary" does not concern the problem. Because roi is used wi...

Index in position 1 exceeds array bounds (must not exceed 8).

I do not know, which of the variables is "your image". That is is "binary" does not concern the problem. Because roi is used wi...

4 dagen ago | 0

Answered

What is the type of function Handle and How is it stored in memory?

M = [1, 2, 3]; FileAdd = @(M)(M+1); This creates a "function handle" of an anonymous function, not a "file handle". The latter...

What is the type of function Handle and How is it stored in memory?

M = [1, 2, 3]; FileAdd = @(M)(M+1); This creates a "function handle" of an anonymous function, not a "file handle". The latter...

4 dagen ago | 2

| accepted

Answered

A row vector that matches all similar rows in a matrix to group be them in a scatter plot

A = [1 1 1 40 50; 0 0 0 60 40; 2 2 2 20 10; 3 3 3 40 30; 1 1 1 60 70; 0 0 0 20 10]; B = unique(A(:,1:3),'row'...

A row vector that matches all similar rows in a matrix to group be them in a scatter plot

A = [1 1 1 40 50; 0 0 0 60 40; 2 2 2 20 10; 3 3 3 40 30; 1 1 1 60 70; 0 0 0 20 10]; B = unique(A(:,1:3),'row'...

5 dagen ago | 0

Answered

i have a problem to write to a excel

You got it almost: q = size(record, 1); % Safer than LENGTH r = q + 1; xlswrite('C:\Users\AFQ1KOR\Desktop\newfolder\Boo...

i have a problem to write to a excel

You got it almost: q = size(record, 1); % Safer than LENGTH r = q + 1; xlswrite('C:\Users\AFQ1KOR\Desktop\newfolder\Boo...

5 dagen ago | 0

| accepted

Answered

get common position in cell array and replace with specific values

C = repmat({'AB'}, 1, 8); idx = [ 3 6 7 ] ; ids = [ 2 3 5 6 7 ] ; index = intersect(ids, idx); C(index) =...

get common position in cell array and replace with specific values

C = repmat({'AB'}, 1, 8); idx = [ 3 6 7 ] ; ids = [ 2 3 5 6 7 ] ; index = intersect(ids, idx); C(index) =...

5 dagen ago | 2

| accepted

Answered

Questions about the unsure range in xlsread, when using gui

I guess you mean: col = sprintf('B%d', serial1); row = sprintf('D%d', serial2); location = [col, ':', row]; or simpler: loc...

Questions about the unsure range in xlsread, when using gui

I guess you mean: col = sprintf('B%d', serial1); row = sprintf('D%d', serial2); location = [col, ':', row]; or simpler: loc...

6 dagen ago | 0

| accepted

Answered

calculate the angle between a line (between two points) and the perpendicular line

Maybe you mean: angle = atand(b(1,:) - a(1,:)) - (b(2,:) - a(2,:))) % ^??? ...

calculate the angle between a line (between two points) and the perpendicular line

Maybe you mean: angle = atand(b(1,:) - a(1,:)) - (b(2,:) - a(2,:))) % ^??? ...

6 dagen ago | 1

| accepted

Answered

Align 2 matrices to find the minimum difference

See: https://www.mathworks.com/help/images/find-image-rotation-and-scale-using-automated-feature-matching.html

Align 2 matrices to find the minimum difference

See: https://www.mathworks.com/help/images/find-image-rotation-and-scale-using-automated-feature-matching.html

6 dagen ago | 0

| accepted

Answered

How to "Save As .jpg" a figure programmically?

Either by print(FigureHandle, 'C:\temp\File.jpg') or pause(0.02); % Magic update of java elements - don't ask me why... F =...

How to "Save As .jpg" a figure programmically?

Either by print(FigureHandle, 'C:\temp\File.jpg') or pause(0.02); % Magic update of java elements - don't ask me why... F =...

6 dagen ago | 0

Answered

sum of row equal to particular number.

B = [2 2 2 3; ... 2 2 1 1; ... 4 5 2 1] Result = B ./ sum(B, 2) * 0.001...

sum of row equal to particular number.

B = [2 2 2 3; ... 2 2 1 1; ... 4 5 2 1] Result = B ./ sum(B, 2) * 0.001...

6 dagen ago | 1

| accepted

Answered

Are MATLAB's window functions incorrect (starting at n = 1 instead of n = 0)?

The documentation is clear in this point: https://www.mathworks.com/help/signal/ref/triang.html#bt6p4f0 The triangular window i...

Are MATLAB's window functions incorrect (starting at n = 1 instead of n = 0)?

The documentation is clear in this point: https://www.mathworks.com/help/signal/ref/triang.html#bt6p4f0 The triangular window i...

6 dagen ago | 0

Answered

How can i open more images that i have to edit in graphic interface?

I'm not sure, what "they open separately from the graphic interface" means. Which part of the code is relevant for your problem?...

How can i open more images that i have to edit in graphic interface?

I'm not sure, what "they open separately from the graphic interface" means. Which part of the code is relevant for your problem?...

6 dagen ago | 0

Answered

Can you please explain the meaning for below error meessage code

There is a missing end in the function imageDisplayValidateParams. As far as I can see, this is a Matlab toolbox function called...

Can you please explain the meaning for below error meessage code

There is a missing end in the function imageDisplayValidateParams. As far as I can see, this is a Matlab toolbox function called...

6 dagen ago | 0

| accepted

Answered

Unable to save path to file in Ubuntu Matlab 2016b.

The warning looks clear. You need admin privileges to get write permissions for toolbox/local/pathdef.m, but you can store the f...

Unable to save path to file in Ubuntu Matlab 2016b.

The warning looks clear. You need admin privileges to get write permissions for toolbox/local/pathdef.m, but you can store the f...

6 dagen ago | 1

Answered

maintaining format with xmlwrite

This is not the purpose of the XML format. The parser must have the power to reorder the tags. Matlab's parser orders them alpha...

maintaining format with xmlwrite

This is not the purpose of the XML format. The parser must have the power to reorder the tags. Matlab's parser orders them alpha...

7 dagen ago | 0

| accepted

Answered

Finding Local mean value of pixels of window

A simple approach: w = 5; w2 = floor(w / 2); sA = size(a); SumA = zeros(sA); DivA = zeros(sA); for i = 1:sA(1) %a i...

Finding Local mean value of pixels of window

A simple approach: w = 5; w2 = floor(w / 2); sA = size(a); SumA = zeros(sA); DivA = zeros(sA); for i = 1:sA(1) %a i...

7 dagen ago | 1

| accepted

Answered

Why is manually adding elements of a vector faster than passing a vector range to sum()?

v1(2:5) creates a temporary vector. Some timings looks, like 2:5 is not created, but the indexing is done transparently. Then ca...

Why is manually adding elements of a vector faster than passing a vector range to sum()?

v1(2:5) creates a temporary vector. Some timings looks, like 2:5 is not created, but the indexing is done transparently. Then ca...

7 dagen ago | 0

Answered

how to solve installation error in matlab 2016a?

Try to download the installation files again and restart the installation. If this does not work, contact MathWorks to get supp...

how to solve installation error in matlab 2016a?

Try to download the installation files again and restart the installation. If this does not work, contact MathWorks to get supp...

7 dagen ago | 0

Answered

attempt to execute script as a function

Either vl_nnconv is really a script. Test this: which vl_nnconv -all Or the current folder is the parent folder of the help te...

attempt to execute script as a function

Either vl_nnconv is really a script. Test this: which vl_nnconv -all Or the current folder is the parent folder of the help te...

7 dagen ago | 0

Answered

What is the meaning of dividing two vectors without dot

According to the documentation: x = B / A solves the system of linear equations x*A = B for x. If A is a rectangular m-by-n ma...

What is the meaning of dividing two vectors without dot

According to the documentation: x = B / A solves the system of linear equations x*A = B for x. If A is a rectangular m-by-n ma...

7 dagen ago | 1

Answered

Matrix Randomize with order

Maybe a trial and error approach is working. Start with creating the data: V = repelem(1:5, [50, 50, 86, 86, 85]); ready = fal...

Matrix Randomize with order

Maybe a trial and error approach is working. Start with creating the data: V = repelem(1:5, [50, 50, 86, 86, 85]); ready = fal...

7 dagen ago | 0

Answered

How to convert two rgb images into grayscale? and then subtract ?

img1 = imread('Image1.jpg'); img2 = imread('Image2.jpg'); D = rgb2gray(img1) - rgb2gray(img2)

How to convert two rgb images into grayscale? and then subtract ?

img1 = imread('Image1.jpg'); img2 = imread('Image2.jpg'); D = rgb2gray(img1) - rgb2gray(img2)

8 dagen ago | 0

| accepted

Answered

I have an error Installation location

You need to download the file before installing them. The installer tries to download them to C:\Users\YourAccount\Downloads. Bu...

I have an error Installation location

You need to download the file before installing them. The installer tries to download them to C:\Users\YourAccount\Downloads. Bu...

8 dagen ago | 0