diff options
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) |