abs | Computes the absolute values of the elements of an array. |
ceil | Returns the smallest integer value greater or equal to each element of an array. |
floor | floor gives the next smaller integer value of the elements of an array. |
rint | rint gives the next nearest integer value of the elements of an array. |
sqrt |
sqrt computes the square root of the elements of an array.
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acos | Returns the arccosine of the elements of an array. |
acosh | Returns the inverse hyperbolic cosine of the elements of an array. |
asin | Returns the arcsine of the elements of an array. |
asinh | Returns the inverse hyperbolic sine of the elements of an array. |
atan | Returns the arctangent in radian of the elements of an array. |
atan2 |
Computes elementwise the angle in radian between the positive part of the x-axis and the line with origin in (0,0) which contains the point (x, y).
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atanh | Returns the inverse hyperbolic tangent of the elements of an array. |
cos | Returns the cosine in radian of the elements of an array. |
cosh | Returns the hyperbolic cosine of the elements of an array. |
sin | Returns the sine in radian of the elements of an array. |
sinh | Returns the hyperbolic sinus of the elements of an array. |
tan | Returns the tangent in radian of the elements of an array. |
tanh |
Returns the hyperbolic tangent of the elements of an array.
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dwt | dwt computes the Discrete Wavelet Transformation of a vector. |
fft | fft computes the Fast Fourier Transformation of a complex vector. |
fwt | fwt computes the Fast Wavelet Transformation of a vector. |
fwt2 | The algorithm fwt2 is designed for 2 dimensional wavelet transformation. It mainly corresponds to dwt for the one dimensional case. If wished it works with the tensor product of one dimensional wavelet transforms. |
fwtin | fwtin computes the Fast Wavelet Transformation of all circular shifts of the vector x. |
fwtinshift | fwtinshift retrieves the wavelet coefficients for a given shift of the Fast Wavelet Transformation of all circular shifts (fwtin) of a vector. |
invdwt | invdwt computes the inverse Discrete Wavelet Transformation of a vector. |
invfft | invfft computes the Inverse Fast Fourier Transformation of a complex vector. |
invfwt | invfwt computes the Fast Wavelet Transformation of a vector. |
invfwt2 | The algorithm invfwt2 is designed for 2 dimensional inverse wavelet transformation. The wavelet coefficients are stored in the matrix c. |
invfwtin | fwtin computes the inverse Fast Wavelet Transformation of all circular shifts from ti. |
exp |
exp produces the exponentation to base e=2.7181... of the elements in an array.
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expm1 | expm1 computes e^(x-1) accurately even for tiny x. |
lgamma |
lgamma computes logarithm of the gamma function.
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log | log returns the natural logarithm of the elements of an array. |
log10 | log10 returns the logarithm base 10 of the elements of an array. |
log1p |
log1p computes the natural logarithm of (1+x) accurately even for tiny x.
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simpsonint | simpsonint computes the integral of a given realvalued function about a d-dimensional cube [a_1,b_1] x ... x [a_d,b_d]. The method of simpson is used. |