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Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

meer dan 7 jaar ago

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Find the numeric mean of the prime numbers in a matrix.

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

meer dan 7 jaar ago

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Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

meer dan 7 jaar ago

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Check if sorted

Check if sorted. Example: Input x = [1 2 0] Output y is 0

meer dan 7 jaar ago

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Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

meer dan 7 jaar ago

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Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

meer dan 7 jaar ago

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Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

meer dan 7 jaar ago

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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...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar 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 ...

meer dan 7 jaar 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...

meer dan 7 jaar 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.

meer dan 7 jaar 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 ...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar 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 ...

meer dan 7 jaar 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:...

meer dan 7 jaar 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...

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...

bijna 8 jaar 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 ...

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 ...

bijna 8 jaar 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...

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...

bijna 8 jaar 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 ...

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 ...

ongeveer 8 jaar 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...

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...

ongeveer 8 jaar 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...

Agilent visa adaptor

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

ongeveer 8 jaar ago | 0

| accepted

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...

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...

ongeveer 8 jaar ago | 0

| accepted

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:/...

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:/...

ongeveer 8 jaar 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...

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...

meer dan 8 jaar 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

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

meer dan 8 jaar ago | 0