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Chapter: 2 / Q: 25.2
Given the matrix:
Chapter: 2 / Q: 26.2
Create a three-dimensional matrix with dimensions 2 x 4 x 3 in which the first “layer” is all 0s, the second is all 1s and the third is all 5s. Use size to verify the dimensions
Chapter: 2 / Q: 27.2
Create a vector x which consists of 20 equally spaced points in the range from – to +. Create a y vector which is sin(x)
Chapter: 2 / Q: 28.2
Create a 3 x 5 matrix of random integers, each in the inclusive range from -5 to 5. Get the sign of every element
Chapter: 2 / Q: 29.2
Find the sum 3+5+7+9+11
Chapter: 2 / Q: 30.2
Find the sum of the first n terms of the harmonic series where n is an integer variable greater than one
Chapter: 2 / Q: 31.2
Find the following sum by first creating vectors for the numerators and denominators:
Chapter: 2 / Q: 32.2
Create a matrix and find the product of each row and column using prod
Chapter: 2 / Q: 33.2
Create a 1 x 6 vector of random integers, each in the inclusive range from 1 to 20. Use built-in functions to find the minimum and maximum values in the vector. Also create a vector of cumulative sums using cumsum
Chapter: 2 / Q: 34.2
Write a relational expression for a vector variable that will verify that the last value in a vector created by cumsum is the same as the result returned by sum
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