Class Notes (834,352)
Canada (508,491)
Computing (443)
CISC 101 (29)
Lecture

2.docx

7 Pages
129 Views
Unlock Document

Department
Computing
Course
CISC 101
Professor
David Skillicorn
Semester
Fall

Description
Class 2.1 9/18/2012 10:26:00 AM The story so far… Row vector: a 5 7 8 2 A(1:2) Column vector: b b (2:3) Matrix or array: c C(2:3, 3:4) Vectors have sizes and shapes C(:,2)means c(1:4,2) Input and output Csvread (‘filename’); Cvswrite (‘filename’, variable) Image, imagesc, spy 9/18/2012 10:26:00 AM Plot: value plot plot(a(:,1)); -plot in both directions- vertical and horizontal slices global properties of arrays sum (a) sum Other examples ** all only in the column Max - maximum Min-minimum Mean- average Median- middle number Standard deviation – avg difference between all numbers What about computing along the rows? (a) extra input to the command sum (a) = sum (a,1)< direction 1 (column) sum (a,2) < direction 2 (row) (b) transpose the array b=a’j here plot- plot one attribute against another 1 3 2 7 (2,7) (1,3) Class 2.2
More Less

Related notes for CISC 101

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit