← All tools
general
Inverse Discrete Fourier Transform
Computes the IDFT of a sequence of up to 10 frequency-domain values, returning the real and imaginary components of each time-domain sample. x[n] = (1/N) × Σ X[k] × e^(j2πnk/N).
Inputs
How many values to use (1–10)
Frequency-domain value at index 0
Frequency-domain value at index 1
Frequency-domain value at index 2
Frequency-domain value at index 3
Frequency-domain value at index 4
Frequency-domain value at index 5
Frequency-domain value at index 6
Frequency-domain value at index 7
Frequency-domain value at index 8
Frequency-domain value at index 9
Results
x[0] Real0.000e+0Real part of time-domain sample 0
x[0] Imaginary0.000e+0Imaginary part of time-domain sample 0
x[1] Real0.000e+0Real part of time-domain sample 1
x[1] Imaginary0.000e+0Imaginary part of time-domain sample 1
x[2] Real0.000e+0Real part of time-domain sample 2
x[2] Imaginary0.000e+0Imaginary part of time-domain sample 2
x[3] Real0.000e+0Real part of time-domain sample 3
x[3] Imaginary0.000e+0Imaginary part of time-domain sample 3
x[4] Real0.000e+0Real part of time-domain sample 4
x[4] Imaginary0.000e+0Imaginary part of time-domain sample 4
x[5] Real0.000e+0Real part of time-domain sample 5
x[5] Imaginary0.000e+0Imaginary part of time-domain sample 5
x[6] Real0.000e+0Real part of time-domain sample 6
x[6] Imaginary0.000e+0Imaginary part of time-domain sample 6
x[7] Real0.000e+0Real part of time-domain sample 7
x[7] Imaginary0.000e+0Imaginary part of time-domain sample 7
x[8] Real0.000e+0Real part of time-domain sample 8
x[8] Imaginary0.000e+0Imaginary part of time-domain sample 8
x[9] Real0.000e+0Real part of time-domain sample 9
x[9] Imaginary0.000e+0Imaginary part of time-domain sample 9