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Convolution Calculator
Convolve two short sequences by direct summation.
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y[n] = x * h
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Convolve two short sequences by direct summation.
Convolution Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: y[n] = sum of x[k] h[n-k].
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Convolution Quick Guide
Typical values for reference.
| x0 | x1 | x2 | Convolution |
|---|---|---|---|
| 1 | 2 | 3 | [1, 2, 2, -2, -3] |
| 1 | 1 | 1 | [1, 2, 3, 2, 1] |
| 2 | 0 | 1 | [2, 4, 7, 2, 3] |
| 1 | 0 | 0 | [4, 5, 6, 0, 0] |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Convolution Calculator FAQ
Answers to common questions about this calculator.
A sum of products that combines two sequences.
The sum of the lengths minus one.
Yes, x * h equals h * x.
Signal processing and image filters.