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# Ben Mitch

Last seen: 4 months ago Active since 2001

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Panel
Like subplot, but easier, and WYSIWYG export to file. Also fixes dashed/dotted lines in export.

Question

function-style array indexing
Hi This problem keeps coming up for me over the years, and there must be a standard solution, so perhaps someone knows it, I ...

6 years ago | 1 answer | 0

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

10 years ago

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

10 years ago

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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...

10 years ago

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

10 years ago

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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 ...

10 years ago

Solved

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...

10 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

10 years ago

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Is my wife right?
Regardless of input, output the string 'yes'.

10 years ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

10 years ago

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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:...

10 years ago

Question

OpenGL renderer not offering hardware acceleration (Windows, NVidia)
Hi I am working with some not-all-that-large polygon datasets, and rendering them into a figure. Let's see... 3000 triangles....

11 years ago | 0 answers | 1

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datastore
A tool for persisting data associated with the logged in user across sessions of Matlab.

Question

using classdef, is it possible to mix run-time data access through the dot syntax with methods elegantly?
hi i am developing a class (using classdef) that maintains a structure internally with fields that are instance-dependent. i ...

11 years ago | 1 answer | 0

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Question

taking control of tab completion w/ classdef
hi i am writing my custom classes using the classdef syntax, and sub-classing handle. the classes will be supplied to users, ...

11 years ago | 0 answers | 1

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Question

how to wrangle the "doc" system when writing a class?
Hi I have written a class which is quite complex (hundred or so methods). It exposes two public interfaces; one is to the fra...

11 years ago | 0 answers | 2

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Running scripts from command line
if you don't need error information, you could just enclose your call to run() in a try/end, such as: matlab.exe -r "cd c:\...

11 years ago | 5

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Dumb mistakes we make with MATLAB.
Moving into the Figure window, but in a similar spirit to the rand(100000) thing, I use this when I need an excuse to take a bre...

11 years ago | 0

How do I fix the error "Function definitions are not permitted at the prompt or in scripts"?
Perhaps where you have function S = timestr(D,precision) you intended S = timestr(D,precision)

11 years ago | 2

How do I create a string for a plot title from one fixed string and one I get from INPUT?
In addition to what Arnaud suggests, I also sometimes find it useful to keep a bit of name in the plot and change only the secon...

11 years ago | 2

CSV vs MAT files
I think the answer to both (1) and (2) is .mat file. ASCII files (like CSV) require conversion to and from the format in memory ...

11 years ago | 1

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polynomials fitting
say you have x = [1 2 3 4]; y = [8 12 16]; then you can fit a polynomial to the region you have data for (the first t...

11 years ago | 0

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clim in pcolor plot
are you perhaps looking for...? set(gca, 'clim', [0 1]);

11 years ago | 1

Is it possible to acquire and display real-time video from the VGA port of a notebook?
There are mechanisms for doing real-time video capture, yes. AFAIK VGA streams are rarely used in this way. If you have an an...

11 years ago | 1

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Solving a simple equation
You can solve an equation algebraically using the symbolic math toolbox, e.g. to solve x+3=0 use: solve('x+3') You can so...

11 years ago | 1

how in matrix insert other matrix
A(2:5,2:5) = B;

11 years ago | 0

How to convert RGB to ycbcr420?

11 years ago | 0