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# Daniell Algar

### Chalmers University of Technology

Aktiv seit 2012

Professional Interests: Image processing, Matlab

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Gelöst

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...

fast 10 Jahre vor

Gelöst

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 ...

fast 10 Jahre vor

Gelöst

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 ...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

Gelöst

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:...

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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...

fast 10 Jahre vor | 1

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Beantwortet
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 ...

etwa 10 Jahre vor | 0

| akzeptiert

Frage

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...

etwa 10 Jahre vor | 1 Antwort | 0

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Frage

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 ...

etwa 10 Jahre vor | 0 Antworten | 0

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

etwa 10 Jahre vor | 0

Beantwortet
how can select a region in image?

etwa 10 Jahre vor | 0

Beantwortet
Well, those lines looks fine to me. It's probably other line's who's raising the error.

etwa 10 Jahre vor | 0

Beantwortet
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 ...

etwa 10 Jahre vor | 0

Beantwortet
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...

etwa 10 Jahre vor | 0

Frage

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...

etwa 10 Jahre vor | 2 Antworten | 0

### 2

Antworten

Beantwortet
*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 ...

etwa 10 Jahre vor | 0

Beantwortet
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, :)= []

etwa 10 Jahre vor | 8

| akzeptiert

Frage

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)...

etwa 10 Jahre vor | 0 Antworten | 0

### 0

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Frage

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 ...

mehr als 10 Jahre vor | 1 Antwort | 0

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Gelöst

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...

fast 11 Jahre vor

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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...

fast 11 Jahre vor

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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...

fast 11 Jahre vor

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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...

fast 11 Jahre vor

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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...

fast 11 Jahre vor

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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...

fast 11 Jahre vor

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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...

fast 11 Jahre vor