MATLAB is a high-level language and interactive programming environment developed by MathWorks. It is the foundation for a number of other tools, including Simulink and various toolboxes that extend the core capabilities.

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How to compare captured image with database images in MatLab? [closed]

I am trying to develop a system by which we can convert sign language to audible sound file by look up table.I want program,by help of which image can be capture through web camera and copmare it with ...
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0answers
13 views

How to change default dimension of the parity check matrix of LDPCencoder object in matlab? [migrated]

I want to change the dimension of the parity check matrix of the LDPC encoder object (comm.LDPCEncoder) in matlab to some other than the default value of 32400x64800. How can i change to the value ...
3
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1answer
81 views

Where does test fixture code fit in?

This is an unusual question since I don't believe it lends itself to typical software development practices but I hope you can prove me wrong. In MATLAB, my team have created several signal ...
0
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1answer
69 views

Should instance variables be bound to the instance right in the beginning of the method they are created in?

A common problem for me - and it's not really a problem, but somehow I again and again ask myself, what is the normal way to handle this - is that there is a method and within this method a couple of ...
3
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4answers
838 views

Why are scientific programming languages so weird? [closed]

It seems to me that programming languages meant for use in science and engineering are consistently weird compared to general-purpose languages. Some examples off the top of my head: In Matlab, each ...
1
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2answers
170 views

How to reduce close points

input: C matrix 2xN (2D points) output: C matrix 2xM (2D points) with equal or less points. Lets say we have C matrix 2xN that contains several 2D points, and it looks something like that: What we ...
1
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2answers
132 views

Is input validation necessary?

This is a very naive question about input validation in general. I'm a MATLAB user (1.5 years old) and I learned about input validation techniques such as "parse" and "validatestring". In fact, ...
0
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3answers
284 views

algorithm to create all possible column vectors of size N containing only ones and zeroes [closed]

I am a mathematics student and am just starting to learn about programming. I am stuck on a particular program I am trying to write for fun. I want to find an algorithm to create all possible column ...
1
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1answer
898 views

Programming Discrete Wavelet Transform

I am trying to program Discrete Wavelet Transform in Matlab. I do understand that their are various libraries available, but my project requires that I must implement it from scratch. I am taking a ...
3
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1answer
295 views

How do I transparently cache data in intermediate stages of processing?

I am working with MATLAB on a model reduction algorithm. It is basically a data processing pipeline. ckt = generate_ckt(ckt_properties); freq = generate_fpoints(fconfig); result = ...
5
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1answer
2k views

In MATLAB, how can 'preallocating' cell arrays improve performance?

I was reading this article on MathWorks about improving MATLAB performance and you will notice that one of the first suggestions is to preallocate arrays, which makes sense. But it also says that ...
1
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2answers
180 views

Trying to sort the coefficients of the polynomial (z-a)(z-b)(z-c)…(z-n) into a vector

So I have a factored polynomial of the form (z-a)(z-b)(z-c)...(z-n) for n an even positive integer. Thus the coefficient of z^k for 0 <= k < n will be the sum of all distinct n-k element ...
4
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5answers
448 views

Lines of Code vs. Optimal Language [closed]

I was wondering whether it is possible to give any advice as the the maximum number of lines of code at which one should consider switching from say MATLAB to a more low level language? Is it even ...
0
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2answers
236 views

Data acquisition, storage and management

I have a device that can measure different values over time, one sample per second. After one measurement run I can export the data in form of a CSV-file. One row per second with timestamp and about ...
14
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3answers
1k views

Implementing technical paper algorithms in C++ or MATLAB

I am an Electrical Engineering undergrad. I've reading many technical papers about Signal and Image processing algorithms (reconstruction, segmentation, filtering, etc). Most of the algorithms shown ...
9
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5answers
8k views

Moving to Python (SciPy and NumPy) for Scientific Computing [duplicate]

Just read a presentation about using Python for Scientific Computing. I am currently using MATLAB (student license FTW, which will expire when I graduate soon). So I was wondering how matured SciPy ...
8
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7answers
3k views

How to explain OOP to a matlab programmer? [closed]

I have a lot of friends who come from electrical / physical / mechanical engineering background, and are curious about what is "OOP" all about. They all know Matlab quite well, so they do have basic ...
3
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4answers
2k views

Who organizes your MATLAB code? [closed]

After reading http://stackoverflow.com/questions/2326609/how-to-organize-matlab-cod, I had a follow up question. If you work in a group of MATLAB programmers, who enforces the organization of the ...
15
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7answers
952 views

Is there a recommended way to communicate scientific/engineering programming to C developers?

I have a lot of MATLAB code that needs to get ported to C (execution speed is critical for this work) as part of a back-end process for a web application. When I attempt to outsource this code to a C ...
17
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6answers
5k views

Surviving MATLAB and R as a Hardcore Programmer

I love programming in languages that seem geared towards hardcore programmers. (My favorites are Python and D.) MATLAB is geared towards engineers and R is geared towards statisticians, and it seems ...