Answered

Don't know how to fix error.

It doesn't like the blank line after the ... Get rid of it and have this: win = any(sum(X) == s) || any(sum(X') == s) || ... ...

Don't know how to fix error.

It doesn't like the blank line after the ... Get rid of it and have this: win = any(sum(X) == s) || any(sum(X') == s) || ... ...

en dag ago | 0

| accepted

Answered

Feature extraction on dicom images

Try searching the vision literature: http://www.visionbib.com/bibliography/contents.html See the search link at the bottom of ...

Feature extraction on dicom images

Try searching the vision literature: http://www.visionbib.com/bibliography/contents.html See the search link at the bottom of ...

en dag ago | 0

Answered

Changing the frequency of an array does not work always

In freq= input(frequency) what is frequency? Some string you defined to ask the user for the frequency? Please show how you ...

Changing the frequency of an array does not work always

In freq= input(frequency) what is frequency? Some string you defined to ask the user for the frequency? Please show how you ...

en dag ago | 1

| accepted

Answered

primary school question!

Truncation error due to double's only using 64 bits instead of an infinite number of bits. It will be off a very small amount, ...

primary school question!

Truncation error due to double's only using 64 bits instead of an infinite number of bits. It will be off a very small amount, ...

en dag ago | 0

Answered

Wha'ts wrong with this?

Like it says, x must be a double, not a sym. f is a sym since x was (I'm guessing since I don't have the Symbolic Toolbox.) So...

Wha'ts wrong with this?

Like it says, x must be a double, not a sym. f is a sym since x was (I'm guessing since I don't have the Symbolic Toolbox.) So...

en dag ago | 1

Answered

How to create a melody ?

Well first of all, your y is a single number - a scalar - not a complete waveform as it should be when passed into soundsc(). T...

How to create a melody ?

Well first of all, your y is a single number - a scalar - not a complete waveform as it should be when passed into soundsc(). T...

en dag ago | 0

Answered

Matrix output from for loop showing only last iteration values

You need to index it with the frame number, like [objArea,objCentroid(frameNumber, 1:2),bboxOut] = step(hBlobAnalysis,Z);

Matrix output from for loop showing only last iteration values

You need to index it with the frame number, like [objArea,objCentroid(frameNumber, 1:2),bboxOut] = step(hBlobAnalysis,Z);

2 dagar ago | 1

Answered

How to hinder ongoing spamming II?

This is one sick individual. Now they just created a profile with the name per isakson: https://www.mathworks.com/matlabcentra...

How to hinder ongoing spamming II?

This is one sick individual. Now they just created a profile with the name per isakson: https://www.mathworks.com/matlabcentra...

2 dagar ago | 0

Answered

How to create lines and calculate their lenghts

Jordan: Why not do it for ALL widths (every single line of the blob), rather than just 10? Just simply do verticalProfile = s...

How to create lines and calculate their lenghts

Jordan: Why not do it for ALL widths (every single line of the blob), rather than just 10? Just simply do verticalProfile = s...

2 dagar ago | 0

Answered

how to use "getframe" commander for making animation video.

See attached demo.

how to use "getframe" commander for making animation video.

See attached demo.

2 dagar ago | 0

Answered

I keep getting "Array indices must be positive integers or logical values."

A thorough discussion is in the FAQ: https://matlab.fandom.com/wiki/FAQ#.22Subscript_indices_must_either_be_real_positive_integ...

I keep getting "Array indices must be positive integers or logical values."

A thorough discussion is in the FAQ: https://matlab.fandom.com/wiki/FAQ#.22Subscript_indices_must_either_be_real_positive_integ...

2 dagar ago | 0

Answered

Segmentation Violation on Centos 7.6.1810

See the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation.2C_MATLAB_crashes_or_gives_an_error_message_when_I_try_to_ru...

Segmentation Violation on Centos 7.6.1810

See the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation.2C_MATLAB_crashes_or_gives_an_error_message_when_I_try_to_ru...

3 dagar ago | 0

Answered

How to loop both years and months simultaneously?

Is Datam a function? Looks like it's a 2-D matrix, not a function. What do the rows and columns of Datam represent? Attach Da...

How to loop both years and months simultaneously?

Is Datam a function? Looks like it's a 2-D matrix, not a function. What do the rows and columns of Datam represent? Attach Da...

3 dagar ago | 0

Answered

Can I detect if there are red pixels in a picture? (picture included)

I'd try the Color Thresholder App on the Apps tab of the tool ribbon.

Can I detect if there are red pixels in a picture? (picture included)

I'd try the Color Thresholder App on the Apps tab of the tool ribbon.

3 dagar ago | 1

Answered

How to trace the boundray of object in an image using MATLAB?

Try this: clc; % Clear the command window. close all; % Close all figures (except those of imtool.) clear; % Erase all e...

How to trace the boundray of object in an image using MATLAB?

Try this: clc; % Clear the command window. close all; % Close all figures (except those of imtool.) clear; % Erase all e...

3 dagar ago | 0

Answered

how can i solve this function

You can use roots() to find the solutions. Then simply put roots() into a function and call it in a script. a = 3; b = .........

how can i solve this function

You can use roots() to find the solutions. Then simply put roots() into a function and call it in a script. a = 3; b = .........

3 dagar ago | 0

Answered

Correlating through specific rows in matrix

Not exactly sure what you're after, but how about this: counter = 1; for i = 1 : 100 : 1700 row1 = i; row2 = row1 + ...

Correlating through specific rows in matrix

Not exactly sure what you're after, but how about this: counter = 1; for i = 1 : 100 : 1700 row1 = i; row2 = row1 + ...

3 dagar ago | 0

| accepted

Answered

Cant understand how the values are stored

You forgot to attach the .mat files so we can't do much. The first row of the val matrix stored in the mat file is extracted an...

Cant understand how the values are stored

You forgot to attach the .mat files so we can't do much. The first row of the val matrix stored in the mat file is extracted an...

3 dagar ago | 1

| accepted

Answered

How to generate two independent white noise

You say "Since they are independent, their cross-correlation must be "0" for all time lags theoretically." This is incorrect. ...

How to generate two independent white noise

You say "Since they are independent, their cross-correlation must be "0" for all time lags theoretically." This is incorrect. ...

3 dagar ago | 0

Answered

4th degree question ploting

Try this: Ctg =[0.322; 0.122; 0.084; 0.053; 0.031; 0.01]; t =[0; 20; 40; 60; 80; 100]; plot(t, Ctg, 'ko', 'LineWidth', 2, 'Ma...

4th degree question ploting

Try this: Ctg =[0.322; 0.122; 0.084; 0.053; 0.031; 0.01]; t =[0; 20; 40; 60; 80; 100]; plot(t, Ctg, 'ko', 'LineWidth', 2, 'Ma...

3 dagar ago | 1

| accepted

Answered

How to trace the boundray of object in an image using MATLAB?

If you want to manually trace some boundary. Use drawfreehand(). If you have a binary image and you want an image of the perim...

How to trace the boundray of object in an image using MATLAB?

If you want to manually trace some boundary. Use drawfreehand(). If you have a binary image and you want an image of the perim...

4 dagar ago | 0

Answered

cod for linear equation

The solution is in the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_fit_a_circle_to_a_set_of_XY_data.3F

cod for linear equation

The solution is in the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_fit_a_circle_to_a_set_of_XY_data.3F

4 dagar ago | 0

Answered

How can I apply a natural logarithm to an image?

Did you try ln_image =log(mat2gray(image))? By the way it's a terrible idea for them to tell you to use the word "image" for yo...

How can I apply a natural logarithm to an image?

Did you try ln_image =log(mat2gray(image))? By the way it's a terrible idea for them to tell you to use the word "image" for yo...

4 dagar ago | 0

| accepted

Answered

How to access a struct through a field name.

It shouldn't be a problem with what you've shown since every structure in the structure array has a unique value for the symbol ...

How to access a struct through a field name.

It shouldn't be a problem with what you've shown since every structure in the structure array has a unique value for the symbol ...

4 dagar ago | 0

Answered

Get file name and path of the file when I browse with a button

Try this: % Have user browse for a file, from a specified "starting folder." % For convenience in browsing, set a starting fol...

Get file name and path of the file when I browse with a button

Try this: % Have user browse for a file, from a specified "starting folder." % For convenience in browsing, set a starting fol...

4 dagar ago | 0

Answered

How do I call the elements in an array to be counted?

Try this count = 1; while sumCheck(count) <= 9 count = count + 1 end fprintf('Exited loop when count = %d and sumCheck(...

How do I call the elements in an array to be counted?

Try this count = 1; while sumCheck(count) <= 9 count = count + 1 end fprintf('Exited loop when count = %d and sumCheck(...

4 dagar ago | 0

Answered

linear fit in plot

Add this: hold on; plot(x, curve, 'b-', 'LineWidth', 3);

linear fit in plot

Add this: hold on; plot(x, curve, 'b-', 'LineWidth', 3);

4 dagar ago | 0

| accepted

Answered

for loop execution error

While the original code iter1 = 1:9; y_div_1 = 4; y_div_2 = 5; y_div_3 = 3; y_div_4 = 6; y_div_5 = 3; y_div_6 = 4; y_div_7 = 5...

for loop execution error

While the original code iter1 = 1:9; y_div_1 = 4; y_div_2 = 5; y_div_3 = 3; y_div_4 = 6; y_div_5 = 3; y_div_6 = 4; y_div_7 = 5...

5 dagar ago | 0

Answered

Output of -RGBimage seems to have changed, any help?

Try theImage = getimage(gca); or else frame = getframe(gcf) figure; imshow(frame.cdata); axis off

Output of -RGBimage seems to have changed, any help?

Try theImage = getimage(gca); or else frame = getframe(gcf) figure; imshow(frame.cdata); axis off

5 dagar ago | 0

Answered

How to change a part of the histogram of an image in MATLAB

You cannot remove pixels, you can only change them to a different value. What new value do you want to assign pixels that have ...

How to change a part of the histogram of an image in MATLAB

You cannot remove pixels, you can only change them to a different value. What new value do you want to assign pixels that have ...

5 dagar ago | 0