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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

6 years ago

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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...

6 years ago

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

6 years ago

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

6 years ago

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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 ...

6 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...

6 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.

6 years ago

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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 ...

6 years ago

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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...

6 years ago

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

6 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 ...

6 years ago

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

6 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:...

6 years ago

Answered
Data acquisition with pre-trigger using low-level DAQmx functions (daq.ni.NIDAQmx library)
Hi Ray, This is a really nice piece of code, and our exact intent when we provided undocumented access to the interface. How...

6 years ago | 0

Answered
How to use MATLab and NI-DAQmx Tools to produce live plots
Visit the <http://www.mathworks.com/products/daq/demos.html demos and examples page> for the Data Acquisition Toolbox. See the ...

6 years ago | 0

Answered
PCI-6229 not recognised by Matlab R2011b
Can you see your device in NI Measurement and Automation Explorer? Until you see it there, it can't show up in MATLAB. To u...

6 years ago | 0

| accepted

Answered
How to import a continuous signal from USB-6009 to an Oscilloscope (DAQ toolbox)
The USB-6009 doesn't support hardware clocked outputs. There's no way to have it generate a smooth curve. You're on the right ...

6 years ago | 0

Answered
Trouble reading Tektronix DPO 3012 Oscilloscope
If you get an object back at the command line, you're good to go! You can call fopen on it. If you want to work in TMTOOL, ri...

6 years ago | 0

Answered
Agilent visa adaptor
You need R2009b or later -- <http://www.mathworks.com/products/instrument/whatsnew.html support for 64-bit Agilent VISA was adde...

6 years ago | 0

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Answered
Problem with CDAQ 9172 communication
R2011a of the Data Acquisition Toolbox requires NI-DAQmx version 9.1 -- you're running 8.9. See the <http://www.mathworks.com/h...

6 years ago | 0

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Answered
Problem with NI DAQ 6212 USB BNC
Support for this device was added in R2010a. However, a search for "6212 USB BNC" on the MathWorks website leads to: <http:/...

6 years ago | 1

Answered
Error with LPT port: Failure to open requested data acquisition devide
Hi Sirius, Alas, your issues are classic problems with the parallel interface. We used a number of backdoors in the operatin...

7 years ago | 1

Answered
DAQ Toolbox use with two NI-USB-6009 devices
What version of MATLAB are you using? I'm guessing you've restarted MATLAB. It should work...We'll figure it out. -Rob

7 years ago | 0

Answered
use PCI-6259 card digital output to send asci-codes to device
Hi Hansjörg, Unfortunately, the Data Acquisition Toolbox does not support clocked digital I/O. It is functionality that we w...

7 years ago | 0

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Answered
How to execute two MATLAB scripts simultaneously
Hi, The Data Acquisition Toolbox has the exact capability you want built in. There's a demo called "Using Callback Functions t...

7 years ago | 0

Answered
Signal Acquisition
See the list of hardware supported by the Data Acquisition Toolbox: <http://www.mathworks.com/products/daq/supportedio.html> ...

7 years ago | 0

Answered
Finding the frequency response of data collected from a DAQ
Check out <http://www.mathworks.com/matlabcentral/fileexchange/28375-vibration-of-rectangular-clamped-thin-plate this> in the ...

7 years ago | 0

Answered
Why do I get a timeout error from a call to GetData using an MCC DAQ device?
On the timeout, I'd follow Shankar's advice. The MCC drivers have become careful about validating setup, which may result in lo...

7 years ago | 2