acos |
Returns the arccosine of the elements of an array.
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acosh |
Returns the inverse hyperbolic cosine of the elements of an array.
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asin |
Returns the arcsine of the elements of an array.
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asinh |
Returns the inverse hyperbolic sine of the elements of an array.
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atan |
Returns the arctangent in radian of the elements of an array.
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atan2 |
Returns 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.
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cos |
Returns the cosine in radian of the elements of an array.
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cosh |
Returns the hyperbolic cosine of the elements of an array.
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sin |
Returns the sine in radian of the elements of an array.
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sinh |
Returns the hyperbolic sinus of the elements of an array.
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tan |
Returns the tangent in radian of the elements of an array.
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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.
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fft |
fft computes the Fast Fourier Transformation of a complex vector.
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fwt |
fwt computes the Fast Wavelet Transformation of a vector.
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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.
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fwtin |
fwtin computes the Fast Wavelet Transformation of all circular
shifts of the vector x.
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fwtinshift |
fwtinshift retrieves the wavelet coefficients for a given shift
of the Fast Wavelet Transformation of all circular shifts (fwtin)
of a vector.
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invdwt |
invdwt computes the inverse Discrete Wavelet Transformation of a vector.
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invfft |
invfft computes the Inverse Fast Fourier Transformation of a complex vector.
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invfwt |
invfwt computes the Fast Wavelet Transformation of a vector.
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invfwt2 |
The algorithm invfwt2 is designed for 2 dimensional
inverse wavelet transformation. The wavelet coefficients
are stored in the matrix c.
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invfwtin |
fwtin computes the inverse Fast Wavelet Transformation
of all circular shifts from ti.
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