# channelflow.org

### Site Tools

gibson:teaching:fall-2014:math445:finalexam-vocab

# Differences

This shows you the differences between two versions of the page.

 — gibson:teaching:fall-2014:math445:finalexam-vocab [2014/12/16 11:40] (current)gibson created 2014/12/16 11:40 gibson created 2014/12/16 11:40 gibson created Line 1: Line 1: + Vocabulary and applications for Math 445 final exam + <​code>​ + compact scientific notation (e.g. 1.4e-06) + complex numbers (e.g. 3 + 4*i) + Inf, NaN (!) + + =           ​assignment + - + * / ^   ​algebraic operations + \           solve system of equations Ax=b  (x = A\b) + + constructing matrices and vectors + with square brackets [ ], commas, and semicolons + colon syntax + linspace + zeros + ones + eye + rand + randi + randn + ​ + accessing elements of vectors and matrices + single elements, rows, columns, and subvectors & submatrices + + linear algebra operations on vectors and matrices + + - * \ ^ ' + ​ + elementwise operations on vectors, matrices + - + .* ./ .^ + + logical (boolean) operations + == (equals) + ~= (not equal) + > + < + >= + <= + ~   (NOT) + && ​ (simple AND) + ||  (simple OR) + &   ​(componentwise AND for vectors) + |   ​(componentwise OR  for vectors) + xor (for both vectors and simple logical variables) + zero    means false    ​ + nonzero means true + + any + all + find + ​ + helpful miscellaneous functions + sum + mean + sort + ceil + floor + round + size + save + load + clear + class + who + whos + what + which + input + disp + fprintf + ​ + plotting functions (1d) + plot + semilogy + semilogx + loglog + hist + xlabel + ylabel + title + legend + axes + hold, hold off, hold on + clf + grid off, grid on + color & marker codes + figure + subplot + + multi-d plotting + meshgrid + pcolor + contour, contourf + surf, surfc + + scripts + + control flow + if statements: if, elseif, else, end + for loops: for, end + switch statements: switch, case, otherwise, end + while loop: while, end + plus break and continue + ​ + user-defined functions + file functions + anonymous functions + single argument, single return + multiple argument, multiple return + + + applications + solving linear systems with backslash + solving linear systems with fsolve + solving differential equations with ode45 + computing expressions involving sums and products (e.g. infinite series) + the Newton search algorithm + log-linear relations + Google Page Rank + 