Term
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Definition
| function [out1 out2] = myFunc(in1, in2) |
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Term
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Definition
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Term
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Definition
start:step:finish
vec = 3:3 |
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Term
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Definition
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Term
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Definition
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Term
| (Vector) Evenly spaced numbers from start to stop. |
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Definition
linspace(start#, stop#, step_size)
USE COMMAS |
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Term
| Concatenate Arrays Vertically |
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Definition
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Term
| Concatenate Arrays Horizontally. |
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Definition
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Term
| (Vector Indexing) Copy Values to new position. |
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Definition
vec ([A B]) = vec([a b])
A becomes a
B becomes b |
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Term
| (Array and Vector) Row indexing |
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Definition
vec/arr([start:stop:end, 1])
calls those positions |
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Term
| (Array and Vector) Column Indexing |
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Definition
vec/arr([1, start:stop:end])
calls those positions |
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Term
| (Array and Vector) Reverse Index. |
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Definition
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Term
| Logical Index (greater and less than) |
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Definition
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Term
| Logical Index (greater and less than) |
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Definition
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Term
| Logical Index (greater and less than or equal to) |
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Definition
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Term
| Logical Index (equal to and not equal to) |
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Definition
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Term
| Logical Index (exchange 1s and 0s) |
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Definition
~var
'~' switches the 1s and 0s of a logical array |
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Term
| Logical Index (exchange 1s and 0s) |
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Definition
~var
'~' switches the 1s and 0s of a logical array |
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Term
| Logical Index (something is true and something else is true) |
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Definition
logical statement & other logical statement
& combines two statements |
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Term
| Logical Index (something is true or something else is true) |
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Definition
logical statement | other logical statement
| combines two statements (either/or) |
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Term
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Definition
arr(:)
Takes MxN matrix and makes [M*N, 1] vector following standard positions of the array. |
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Term
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Definition
min(index, 1) = minimum of selected columns
min(index, 2) = minimum of selected rows
min(min(index, 1)) = absolute minimum of selected rows |
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Term
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Definition
max(index, 1) = maximum of selected columns
max(index, 2) = maximum of selected rows
max(max(index, 1)) = absolute maximum of selected rows |
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Term
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Definition
sum(index, 1) = sum of selected columns
sum(index, 2) = sum of selected rows
sum(sum(index, 1)) = absolute sum of selected rows |
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Term
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Definition
mean(index, 1) = mean of selected columns
mean(index, 2) = mean of selected rows
mean(mean(index, 1)) = absolute mean of selected rows |
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Term
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Definition
str = 'abcd...' OR
char([ 97 98 99]) OR
num2str(vec) |
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Term
| Create numbers from string |
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Definition
double('str') OR
'str' .* 1 OR
str2num(str1) |
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Term
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Definition
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Term
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Definition
[row col] = size(array)
Never use length for arrays |
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Term
| How to tell if 2 strings are identical |
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Definition
strcmp(str1, str2) = case sensitive
strcmpi(str1, str2) = case insensitive |
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Term
| Find short string in a longer string |
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Definition
findstr(str1, str2)
matlab will find shorter string in the longer one order doesn't matter.
It returns the position number of the first letter of each occurrence. |
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Term
| Find series of letters in a string |
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Definition
strfind(str1, letters)
matlab will find letters in the first entry order.
It returns the position number of the first letter of each occurrence. |
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Term
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Definition
[token, remain] = strtok(str1, 'delimiter')
token = will return first word
remain = will return the rest of the string |
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Term
| How to create variable string array with optional inputs |
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Definition
sprintf('str', in1, in2...)
%d means class:double
%s means class:char |
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Term
| How to discover whether type is char or double |
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Definition
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