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Chapter: 3 / Q: 20.3
Create a 3 x 6 matrix of random integers, each in the range of 50 - 100. Write this to a file called randfile.dat. Then, create a new matrix of random integers, but this time make it a 2 x 6 matrix of random integers, each in the range of 50 - 100
Chapter: 3 / Q: 21.3
A particular part is being turned on a lathe. The diameter of the part is supposed to be 20,000 mm. The diameter is measured every 10 minutes and the results are stored in a file called partdiam.dat. Create a data file to simulate this
Chapter: 3 / Q: 22.3
Create a file called “testtan.dat” comprised of two lines with three real numbers on each line (some negative, some positive, in the -1 to 3 range). The file can be created from the Editor, or saved from a matrix
Chapter: 3 / Q: 23.3
Write a function calcrectarea that will calculate and return the area of a rectangle. Pass the length and width to the function as input arguments
Chapter: 3 / Q: 24.3
Write a function mwh_to_gj that will convert from MWh to GJ
Chapter: 3 / Q: 25.3
List some differences between a script and a function
Chapter: 3 / Q: 26.3
In quantum mechanics, the angular wavelength for a wavelength λ is defined as  2 . Write a function named makeitangular that will receive the wavelength as an input argument, and will return the angular wavelength
Chapter: 3 / Q: 27.3
Write a fives function that will receive two arguments for the number of rows and columns, and will return a matrix with that size of all fives
Chapter: 3 / Q: 28.3
Write a function isdivby4 that will receive an integer input argument, and will return logical 1 for true if the input argument is divisible by 4, or logical false if it is not
Chapter: 3 / Q: 29.3
Write a function isint that will receive a number input argument innum, and will return 1 for true if this number is an integer, or 0 for false if not. Use the fact that innum should be equal to int32(innum) if it is an integer
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