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Alberto Acri


Last seen: 13 giorni fa |  Attivo dal 2020

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Domanda


increase the thickness + hide some lines generated in the pie chart
Hi! I generated this pie chart: load matrix_new.mat load color_matrix.mat % ========== labels = matrix_new(:,1); percentage...

17 giorni fa | 1 risposta | 0

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risposta

Domanda


Merge multiple matrices with different columns into a single matrix
I would like to combine several matrices with different columns (cell_test(:,1)) into one matrix by adding 0's (or rather []) in...

19 giorni fa | 1 risposta | 0

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Domanda


select rows based on the value of the last column of the matrix
I have a matrix 'A'. As can be seen in the figure (red rectangles), some rows have the first and second columns the same but not...

26 giorni fa | 2 risposte | 0

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Domanda


rename txt file within a specific folder
I need to rename a specific txt file ('file_name') within a folder. How is this done? folder = dir('C:\...\...\...\*.txt'); % ...

26 giorni fa | 3 risposte | 0

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Domanda


Transforming a row (inside a matrix) with equal numbers into a row with only one number
I have amatrix of the following type: in = [228 228 228 231 231 231 183 183 183 157 157 157 168 168 168]; I need to know i...

28 giorni fa | 1 risposta | 0

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Domanda


Enlarge the size of the image inside the plotted figure
I have an image (defoult peppers). When I extract a portion of that picture, I display it "small". How can I keep the size of th...

29 giorni fa | 1 risposta | 0

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Domanda


Merge 2 matrices "RxC uint8" into one matrix "RxCx2 uint8"
Hi! I have 2 matrices of the type "41x41 unit8", I should " combine" them in order to get "41x41x2 unit8". How can I do that?

29 giorni fa | 1 risposta | 0

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Domanda


Repeat coordinates (arranged on the same y and different x) over different values of y
Hi! I need to achieve this by knowing the 'green' coordinates ("row_c") and the repeat intervals ("val"): I tried this way bu...

circa un mese fa | 2 risposte | 0

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Domanda


Ordering a matrix as x increases and y increases
Hi. I need to remove repeating nodes inside the 'square' array (I need to get only unique rows without repetition). I tried wi...

circa un mese fa | 1 risposta | 0

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Risposto
identify a factor that links two equal matrices but positioned in different places on the same plane
Hi @Voss! I have a question for you, which was then the question of the post. Is there a way to transform RC_transl into RC_ma...

circa un mese fa | 0

Domanda


creation of a circular plane passing through three nodes and for central node
Hi. I would like to generate a circular plane from three nodes + center nodes. I'm using this code but I don't understand why a...

circa 2 mesi fa | 1 risposta | 0

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Domanda


Identify some nodes near a known node
Is there a way to identify the upper and lower nodes of this geometry by knowing a node? nodes = importdata("NODES.mat"); face...

circa 2 mesi fa | 2 risposte | 0

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Domanda


rotate by a certain angle a plane in space around a node P
HI! I have a plane normal to a node (point P) in the figure. line = importdata("line_G.mat"); plane = importdata("plane_G.mat"...

circa 2 mesi fa | 1 risposta | 0

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Domanda


rotate/translate/zoom the two simultaneously generated figures within subplot
Is there any way to rotate/translate/zoom the two simultaneously generated figures? nodes = importdata("NODES.mat"); faces = i...

circa 2 mesi fa | 1 risposta | 0

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Domanda


delete the top and bottom triangular faces of the 3D object
Hi! Is there a way to delete the top and bottom triangular faces of the tube? nodes = importdata("NODES.mat"); faces = importd...

circa 2 mesi fa | 1 risposta | 0

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Domanda


order the rows of the 3 matrices starting from the third coordinate of the point P
Hi! I have to order the rows of the 3 matrices starting from the third coordinate of the point P. A = [28.0445 -17.2717 83.972...

circa 2 mesi fa | 2 risposte | 0

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Domanda


identify the coordinates of a point P (1x3) in three distinct matrices
HI! I should identify an identical point P (1x3) within the 3 matrices and in the first 3 columns of these 3 matrices. For exa...

circa 2 mesi fa | 1 risposta | 0

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Domanda


identify a factor that links two equal matrices but positioned in different places on the same plane
I have two matrices ('RC_matlab' and 'RC_trasl') representing the same 2D coordinates of nodes on the same plane but at differen...

circa 2 mesi fa | 2 risposte | 0

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Domanda


Cut a 3D object with the IsoCut function present on FileExchange
Hi! I'm using the code HERE to cut a 3D object but I have a problem regarding the cutting plane. I encountered this problem in ...

circa 2 mesi fa | 0 risposte | 0

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Domanda


cut the object in space (separate a 3D object into two distinct parts) using a plane
Hi! Is there any code that allows me to cut the object in space (separate a 3D object into two distinct parts) using a plane? n...

circa 2 mesi fa | 1 risposta | 0

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Domanda


replace characters (like 'n/a') with 0 inside a .txt text file
Hi! I have a txt file like the one attached. Inside there are numbers and sometimes 'n/a' characters. How can I replace 'n/a' wi...

circa 2 mesi fa | 1 risposta | 0

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Domanda


generate a plane that has the coordinates of a 3D matrix as its boundary
Hi. I have coordinates of nodes in space ('C'). I would like to generate a plane that has the coordinates of 'C' as an outline. ...

circa 2 mesi fa | 1 risposta | 0

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Domanda


interpolation of coordinates in space using interp3
Hi! I have this coordinate set (C_new). I would like to add additional coordinates using interpolation. load C_new figure p...

circa 2 mesi fa | 2 risposte | 0

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Domanda


calculate the normal for a plane passing through more than three points
Hi! I have a plane passing through three points (triangular plane) and from which I determine the normal. P = [ 0.034488 0.036...

2 mesi fa | 4 risposte | 0

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Domanda


create the complete outline of a pie chart characterized by values ​​<1%
Hi! I have a pie chart characterized by a single <1% slice. The graph that is plotted is only the segment as can be seen in the ...

2 mesi fa | 1 risposta | 0

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Domanda


Add nodes (3D) placed at a distance H from starting nodes (3D)
Hi! Is there any way to generate other red coordinates on the same plane and with a distance H = 0.1 from the black coordinates ...

2 mesi fa | 1 risposta | 0

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Domanda


Select only those nodes of an rx3 matrix placed at a distance 'd' from a node P (1x3)
Hi! Is there any way to extract the coordinates of the nodes of the similar circle on the left? I had thought of something rela...

2 mesi fa | 1 risposta | 0

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Domanda


use the 'patch' function with different results (using different matrices)
Hi! I have two matrices: 'V' and 'trace'. Using patches with V generates a completely black surface on the figure and I'm fine...

2 mesi fa | 2 risposte | 0

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Domanda


generate new coordinates (starting from initial coordinates) that are arranged outwards (by a distance H) and on the same plane
HI! Is there a way to generate new coordinates, starting from the 'trace' matrix, which are arranged outwards (by a distance H) ...

2 mesi fa | 3 risposte | 0

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Domanda


Determine the intersection coordinates between a 3D object and an infinite plane
Hi! I would like to know if there is a way to determine the intersection coordinates between a reported 3D geometry (tube) and a...

2 mesi fa | 1 risposta | 0

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