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Additional Exercises for Arrays

Module by: National Instruments

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Exercise 1

Build a VI that reverses the order of an array that contains 100 100 random numbers. For example, array[00] becomes array[9999], array[11] becomes array[9898], and so on.

Tip:

Use the Reverse 1D Array function located on the Functions>>All Functions>>Array palette to reverse the array order.

Save the VI as Reverse Random Array.vi in the C:\Exercises\LabVIEW Basics I directory.

Exercise 2

Build a VI that accumulates an array of temperature values using the Thermometer VI. Set the array size with a control on the front panel. Initialize an array using the Initialize Array function of the same size where all the values are equal to 1010. Add the two arrays, calculate the size of the final array, and extract the middle value from the final array. Display the Temperature Array, Initialized Array, Final Array, and Mid Value.

Save the VI as Find Mid Value.vi in the C:\Exercises\LabVIEW Basics I directory.

Exercise 3

Build a VI that generates a 2D array of three rows by 1010 columns that contains random numbers. After generating the array, index each row, and plot each row on its own graph. The front panel should contain three graphs.

Save the VI as Extract 2D Array.vi in the C:\Exercises\LabVIEW Basics I directory.

Exercise 4

Build a VI that simulates the roll of a die with possible values 11 through 66 and records the number of times that the die rolls each value. The input is the number of times to roll the die, and the outputs include the number of times the die falls on each possible value. Use only one shift register.

Save the VI as Die Roller.vi in the C:\Exercises\LabVIEW Basics I directory.

Exercise 5

Build a VI that generates a 1D array and then multiplies pairs of elements together, starting with elements 00 and 11, and returns the resulting array. For example, the input array with values 123105711 1 23 10 5 7 11 results in the output array 235077 23 50 77 .

Tip:

Use the Decimate 1D Array function located on the Functions>>All Functions>>Array palette.

Save the VI as Array Pair Multiplier.vi in the C:\Exercises\LabVIEW Basics I directory.

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