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Patrick Kalita

MathWorks

174 total contributions since 2011

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Scripts for Volume Visualization Videos
Source code files which go with the series of videos on volume visualization from Doug's Blog.

Submitted

Waterfall Chart
This function shows incremental changes in a vector graphically in as a waterfall chart.

Plotting a 3D scalar field as a coloured 3D scatter graph
If you want to use <https://www.mathworks.com/help/techdoc/ref/scatter3.html |scatter3|>, you can pass it your |x|, |y|, and |z|...

environ 6 ans ago | 1

| accepted

creating 3D mesh for some points in space
<http://www.mathworks.com/help/matlab/ref/trimesh.html |trimesh|> is probably what you want to use. You can also use <http://www...

plus de 7 ans ago | 2

Solved

Create a function handle that reverses the input arguments of another function handle
Given a function that takes two input arguments and returns one output, create another function handle that performs the same op...

plus de 7 ans ago

Solved

Implement a counter
Write a function that returns a function that counts the number of times it is invoked. Example: >> h = counter; >> h() ...

plus de 7 ans ago

how to setup a color matrix in surf(x,y,z,C) that has two components, one fixed, one related to data?
This approach certain has its limitations, but it's also pretty easy to implement: If you set the CData values on the border to ...

presque 8 ans ago | 0

| accepted

get rid of rugged edges plotted with trisurf
Try changing the figure's renderer to ZBuffer: set(gcf, 'Renderer', 'zbuffer');

presque 8 ans ago | 0

Matlab 3D view matrix
The matrix returned by |view| isn't terribly useful unless the axes' <http://www.mathworks.com/help/techdoc/visualize/f4-24991.h...

presque 8 ans ago | 0

Y- axis marking
Use the technique described here: <http://www.mathworks.com/support/solutions/en/data/1-16KCT/?solution=1-16KCT>

environ 8 ans ago | 0

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

environ 8 ans ago

how to plot data points with different color in scatter plot?
You can use the fourth input argument to <http://www.mathworks.com/help/techdoc/ref/scatter.html |scatter|> to control the color...

environ 8 ans ago | 1

Solved

Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

environ 8 ans ago

Solved

Parse string and identify specific string sequence in algebraic equation
Given a string S that defines an algebraic expression such as: S= 'X= A1 + A2*(Y1 + A3*Y3)*exp( A4*Y12 + Y1) ;' return a...

environ 8 ans ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

environ 8 ans ago

Colormap gradient on patch object together with a surface object
When the surface is added, MATLAB automatically changes the <http://www.mathworks.com/support/tech-notes/1200/1201.html#Section_...

environ 8 ans ago | 0

| accepted

how to allow user to get an arbitrary line profile from a contourplot
What you're asking to do isn't something that's going to have an off-the-shelf solution. _You need to build it yourself_. To...

environ 8 ans ago | 0

How to generate a date vactor of weekly intervals.
Start by defining the beginning of the vector using <http://www.mathworks.com/help/techdoc/ref/datenum.html |datenum|>: sta...

environ 8 ans ago | 0

| accepted

2D contourplots of a 3D function
I think you want to use <http://www.mathworks.com/help/techdoc/ref/slice.html |slice|>.

environ 8 ans ago | 0

| accepted

RGB-images on a 3D cube
This is an application for <http://www.mathworks.com/help/techdoc/visualize/f0-18164.html#f0-9250 texture mapping>. You can crea...

environ 8 ans ago | 2

| accepted

Simple 3D vector plotting
You're asking quite a lot there. Here are a few functions that will get you going in the right direction: * For drawing vecto...

environ 8 ans ago | 2

How to merge 3d plots of level planes into one plot (graph)
I'm not familiar with the |plotregion.m| function, but the first thing I would do is check to see if returns a graphics object h...

plus de 8 ans ago | 0

3D surface plot in matlab

plus de 8 ans ago | 0

changing the style in a loop with hold all...
This is the same basic idea as Kevin Holst's answer, but you don't need to set the default |LineStyleOrder| for all axes. You ca...

plus de 8 ans ago | 2

export x and y data from a matlab plot into a matrix
Follow the steps outlined in this solution: <http://www.mathworks.com/support/solutions/en/data/1-A6PBV2/?solution=1-A6PBV2 How ...

plus de 8 ans ago | 0

Rotate a figure created with the area function

plus de 8 ans ago | 0

| accepted

Solved

Pull the variable y_correct from the Caller's Workspace
*Description* This highlights a very easy to use and high-scoring cheat that can be used on almost all Cody questions.

plus de 8 ans ago

How to make MATLAB render 3D objects properly on close up?
Ah, okay. Here's what's going on. There are *three* axes camera properties that you need to worry about. You are currently only ...

plus de 8 ans ago | 0

Plot a time series with the whole number not 10^(n)

plus de 8 ans ago | 0

| accepted

Solved

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

plus de 8 ans ago