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Daniell Algar


Chalmers University of Technology

Con actividad desde 2012

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Professional Interests: Image processing, Matlab

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

casi 12 años hace

Resuelto


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

casi 12 años hace

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

casi 12 años hace

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

casi 12 años hace

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Add two numbers
Given a and b, return the sum a+b in c.

casi 12 años hace

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

casi 12 años hace

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

casi 12 años hace

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

casi 12 años hace

Respondida
Distance between 2 points in an image.
You could be more specific but.. The simplest case might be to just use the Data Cursor. It's in the toolbar already.. Click...

casi 12 años hace | 0

Respondida
How to display X-tick labels vertically using GPLOT?
Not sure if this solution fit your data - but if you know how to set the 'XTicksLabelStyle' within the plot function, why not do...

casi 12 años hace | 1

| aceptada

Respondida
How to make smooth surface across U-shaped object
I can add for future reference that I solved it by correcting a bug from the code above. The variable tri should have been ...

alrededor de 12 años hace | 0

| aceptada

Pregunta


How to make smooth surface across U-shaped object
Hi! I have a set of data, say z(x,y), that could simply be thought of as a "U" shape in the (x,y)-plane, extended in the z-pl...

alrededor de 12 años hace | 1 respuesta | 0

1

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Pregunta


Fetch Data Cursor on figure update
Hi. I've re-directed the Data Cursor callback to my own function. In there I like to re-draw a figure given new x,y-values ...

alrededor de 12 años hace | 0 respuestas | 0

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how to get processed image at another location than MATLAB figure window
doc imrwrite

alrededor de 12 años hace | 0

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how can select a region in image?
Sounds like you want the function imfreehand. Steve has posted about this befor, see e.g. <http://blogs.mathworks.com/steve/...

alrededor de 12 años hace | 0

Respondida
I face the error "Too many input arguments." Please help me
Well, those lines looks fine to me. It's probably other line's who's raising the error.

alrededor de 12 años hace | 0

Respondida
How to graph ln(x^2)=0.7?
Well, to plot the point f(x)= 0.7, I guess you would need to use a solver, e.g. ode45. To just plot the function, you first ...

alrededor de 12 años hace | 0

Respondida
How to convert dataset variables from cell?
If I understand your data correct, then it's more a question of how you acces the data, than how to convert the data. For instan...

alrededor de 12 años hace | 0

Pregunta


Multiple plot handles to the same figure
Hi, I have two handles created with something like, hTri= trimesh(); hFill= fill3(); where two figures act as paren...

alrededor de 12 años hace | 2 respuestas | 0

2

respuestas

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*why* easter egg in MATLAB
This is quite the ugly solution but. Open a script, paste diary('whyText.txt') for i= 1: 10 why end ...

alrededor de 12 años hace | 0

Respondida
remove rows from a matrix on a specific condition
Try A= [ 5 3 3 1 4; 6 6 3 1 0; 6 2 2 2 0; 4 2 3 2 0; 1 1 1 1 2 ] A(A(:, 5)== 0, :)= []

alrededor de 12 años hace | 8

| aceptada

Pregunta


Set x, y, z data in trimesh without re-plotting
Hi there, I'm working on a function that plots a set of data continuously during mouse press. I draw the data with (in short)...

alrededor de 12 años hace | 0 respuestas | 0

0

respuestas

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Eliminating outer for-loop
Hi, I have an outer for-loop that I can't manage to get rid of. Code as follows for t= 1: epochs ... code ...

alrededor de 12 años hace | 1 respuesta | 0

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Resuelto


Poker Series 11: selectBestHand
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

casi 13 años hace

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Poker Series 10: bestHand
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

casi 13 años hace

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Poker Series 09: IsHighCard
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

casi 13 años hace

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Poker Series 08: IsPair
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

casi 13 años hace

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Poker Series 07: IsTwoPair
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

casi 13 años hace

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Poker Series 06: isThreeKind
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

casi 13 años hace

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Poker Series 05: isStraight
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

casi 13 años hace

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