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| author | Lorenz Meier <lm@inf.ethz.ch> | 2014-12-20 13:54:58 +0100 |
|---|---|---|
| committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-12-20 13:54:58 +0100 |
| commit | 6e0cf5002914e9045082bdfe1d3acc484a37f7fb (patch) | |
| tree | dceede05053ad0fb51e641e7e26509b4d1309dee /unittests/data/fit_linear_voltage.m | |
| parent | 19d5383c56b78132e63ea30ef1625b0aaa4a0dee (diff) | |
| download | px4-firmware-6e0cf5002914e9045082bdfe1d3acc484a37f7fb.tar.gz px4-firmware-6e0cf5002914e9045082bdfe1d3acc484a37f7fb.tar.bz2 px4-firmware-6e0cf5002914e9045082bdfe1d3acc484a37f7fb.zip | |
Move unittests into a more perceivable directory
Diffstat (limited to 'unittests/data/fit_linear_voltage.m')
| -rw-r--r-- | unittests/data/fit_linear_voltage.m | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/unittests/data/fit_linear_voltage.m b/unittests/data/fit_linear_voltage.m new file mode 100644 index 000000000..7d0c2c27f --- /dev/null +++ b/unittests/data/fit_linear_voltage.m @@ -0,0 +1,14 @@ +close all; +clear all; +M = importdata('px4io_v1.3.csv'); +voltage = M.data(:, 1); +counts = M.data(:, 2); +plot(counts, voltage, 'b*-', 'LineWidth', 2, 'MarkerSize', 15); +coeffs = polyfit(counts, voltage, 1); +fittedC = linspace(min(counts), max(counts), 500); +fittedV = polyval(coeffs, fittedC); +hold on +plot(fittedC, fittedV, 'r-', 'LineWidth', 3); + +slope = coeffs(1) +y_intersection = coeffs(2) |