| abs (*) | absolute value/modulus | sum (*) | sum of the elements |
| acos (*) | cumsum | cumulative sum | |
| atan (*) | prod | product of the elements | |
| atan2 (*) | cumprod | cumulative product | |
| ceil (*) | mean | ||
| round (*) | linspace | ||
| cos (*) | lerp (*) | linear interpolation | |
| sin (*) | dotprod (*) | vector dot product | |
| exp (*) | zeros (*) | ||
| exp2 (*) | power of two | ones (*) | |
| floor (*) | rand | uniformly distributed | |
| mod (*) | modulo | randn | normal distributed |
| frac (*) | fractional part | cell | cell matrix |
| log (*) | eye | identity matrix | |
| log2 (*) | logarithm base 2 | size (*) | dimensions of object |
| log10 (*) | logarithm base 10 | numel (*) | number of elements =prod(size(x)) |
| max (*) | complex (*) | complex value | |
| min (*) | real (*) | real part | |
| saturate (*) | clamps to [0,1] | imag (*) | imaginary part |
| sign (*) | sign of the number | float (*) | conversion to float (kernel function) |
| sqrt (*) | int (*) | take integer part | |
| tan (*) | isnan (*) | value is NaN (not a number) | |
| angle (*) | angle of a complex number | isinf (*) | value is infinite |
| transpose | matrix transpose | isfinite (*) | value is finite |
| herm_transpose | Hermitian transpose | maxvalue (*) | maximum value for the specified type |
| conj (*) | conjugate | minvalue (*) | minimum value for the specified type |
| copy | performs a shallow copy | repmat | repeat matrix |
| deepcopy | performs a deep copy | reshape | reshape matrix |
| squeeze | removes singleton dimensions | shuffledims | swaps dimensions |
| fft1 / ifft1 | 1-dimensional (I)FFT | type | returns data type of object |
| fft2 / ifft2 | 2-dimensional (I)FFT | object | creates an empty structure |
| fft3 / ifft3 | 3-dimensional (I)FFT | sprintf | build a C-style format string |
| shared (*) | allocation of shared mem. | printf | print a C-style format string |
| shared_zeros (*) | shared mem with zero init. | strcat | string concatenation |
| and (*) | bitwise AND | sscanf | parses using a C-style format string |
| or (*) | bitwise OR | factorial | the factorial function |
| xor (*) | bitwise XOR | inv | matrix inverse |
| shl (*) | bitwise left shift | svd | singular value decomposition |
| shr (*) | bitwise right shift | serial_do | serial execution |
| not (*) | bitwise inversion | parallel_do | parallel execution |
| mirror_ext (*) | mirroring extension | max_block_size | see Subsection 2.4.4↑ |
| periodize (*) | periodic extension | assert | runtime assertion |
| tounicode | converts vec to a UNICODE string | schedule | manual run-time scheduling function |
| toascii | converts vec to an ASCII string | mat2cell | converts from matrix to cell matrix |
| fromunicode | converts UNICODE string to vec | cell2mat | converts from cell matrix to matrix |
| fromascii | converts ASCII string to vec | ||
| ind2pos | converts linear index to n-D coords |
| imread | reads an image | img=imread("filename.png") |
| imwrite | writes an image | imwrite("filename.png", data) |
| imwrite("filename.png", data, [minval,maxval]) | ||
| imshow | shows an image | imshow(img) |
| imshow(img, [minval,maxval]) | ||
| eval | Quasar expression evaluation | y=eval("x->2*cos(x)") |
| save | Save variables to file | save("out.dat",A,B,C) |
| load | Load variables from file | [A,B,C]=load("out.dat") |
| dir | Lists files in a directory | files=dir("/home/*.png") |
| tic | start timer | tic() |
| toc | stop timer and print elapsed time | toc() |
| fopen | opens file for reading/writing | f=fopen("out.dat","wb") |
| fread | reads from a file | data=fread(f,[24,8],"float32") |
| fwrite | writes to a file | fwrite(f,data,"float32") |
| fclose | closes a file | fclose(f) |
| fgets | reads one line in text modus from a file | y=fgets(f) |
| plot | generates a plot | plot(x,y) |
| title | set title of the plot | title("text") |
| xlim | sets ranges for the x-axis | xlim([0, 10]) |
| ylim | sets ranges for the y-axis | ylim([-pi, pi]) |
| xlabel | sets the x-axis label | xlabel("x") |
| ylabel | sets the y-axis label | ylabel("y") |
| legend | displays a legend | legend("serie 1", "serie 2") |
| disp | display a matrix | disp(A) |
| print text to the console | print A,... | |
| error | generate an error | error A,... |
| pause | pauses program execution for n msec. | pause(0.5) |