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Analisi statica fatta per bene giustificando i vari passaggi

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Jacopo Basso Ricci
2026-04-03 15:34:56 +02:00
parent 64e01df017
commit a0c29b1ae4
6 changed files with 2862 additions and 1479 deletions
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molla/compatibilita/comp1.ipynb
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@@ -5,10 +5,10 @@
"id": "ba4e56bc",
"metadata": {},
"source": [
"## Valori dinamici\n",
"## Valori statici (calibro)\n",
"N = 10\n",
"\n",
"A = 23.96 +- 0.16 "
"A = 23.97 +- 0.16 "
]
},
{
@@ -16,15 +16,26 @@
"id": "aaf30c1f",
"metadata": {},
"source": [
"## Valori statici\n",
"## Valori statici (sonar)\n",
"N = 6\n",
"\n",
"A = 23.46 +- 0.23\n"
]
},
{
"cell_type": "markdown",
"id": "7a851edb",
"metadata": {},
"source": [
"## Valori dinamici (sonar)\n",
"N = 4\n",
"\n",
"K nostro: 24.35 +- 0.25\n"
]
},
{
"cell_type": "code",
"execution_count": 1,
"execution_count": 10,
"id": "b349ba73",
"metadata": {},
"outputs": [],
@@ -35,7 +46,7 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 11,
"id": "a68eb302",
"metadata": {},
"outputs": [
@@ -43,18 +54,19 @@
"name": "stdout",
"output_type": "stream",
"text": [
"t = 1.717\n",
"p-value (two-tailed) = 10.8084 %\n"
"t = 1.751\n",
"p-value (two-tailed) = 10.1827 %\n"
]
}
],
"source": [
"# Valori dimanici (sonar)\n",
"# Valori statici (calibro)\n",
"Nd = 10\n",
"Ad = 23.96\n",
"Ad = 23.97\n",
"uAd = 0.16 * 3\n",
"\n",
"#Valori statici (calibro)\n",
"\n",
"#Valori statici (sonar)\n",
"Ns = 6\n",
"As = 23.46\n",
"uAs = 0.23 * 3\n",
@@ -73,6 +85,88 @@
"print(f\"t = {t:.3f}\")\n",
"print(f\"p-value (two-tailed) = {p_value * 100:.4f} %\")\n"
]
},
{
"cell_type": "code",
"execution_count": 12,
"id": "2746d086",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"t = -1.147\n",
"p-value (two-tailed) = 27.3612 %\n"
]
}
],
"source": [
"# Valori statici (calibro)\n",
"Nd = 10\n",
"Ad = 23.97\n",
"uAd = 0.16 * 3\n",
"\n",
"#Valori dinamici (sonar)\n",
"Ns = 4\n",
"As = 24.35\n",
"uAs = 0.25 * 3\n",
"\n",
"#Nomi coerenti con Cannelli\n",
"GdL = Nd + Ns - 2\n",
"\n",
"s2 = ( (Nd - 1) * uAd**2 + (Ns - 1) * uAs**2 ) / GdL\n",
"\n",
"sigma2 = ( s2 / Nd ) + ( s2 / Ns )\n",
"\n",
"t = ( Ad - As ) / np.sqrt( sigma2 )\n",
"\n",
"\n",
"p_value = 2 * (1 - student_t.cdf(abs(t), df=GdL))\n",
"print(f\"t = {t:.3f}\")\n",
"print(f\"p-value (two-tailed) = {p_value * 100:.4f} %\")\n"
]
},
{
"cell_type": "code",
"execution_count": 13,
"id": "be0c6cc6",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"t = -1.934\n",
"p-value (two-tailed) = 8.9234 %\n"
]
}
],
"source": [
"# Valori statici (sonar)\n",
"Nd = 6\n",
"Ad = 23.46\n",
"uAd = 0.23 * 3\n",
"\n",
"#Valori dinamici (sonar)\n",
"Ns = 4\n",
"As = 24.35\n",
"uAs = 0.25 * 3\n",
"\n",
"#Nomi coerenti con Cannelli\n",
"GdL = Nd + Ns - 2\n",
"\n",
"s2 = ( (Nd - 1) * uAd**2 + (Ns - 1) * uAs**2 ) / GdL\n",
"\n",
"sigma2 = ( s2 / Nd ) + ( s2 / Ns )\n",
"\n",
"t = ( Ad - As ) / np.sqrt( sigma2 )\n",
"\n",
"\n",
"p_value = 2 * (1 - student_t.cdf(abs(t), df=GdL))\n",
"print(f\"t = {t:.3f}\")\n",
"print(f\"p-value (two-tailed) = {p_value * 100:.4f} %\")\n"
]
}
],
"metadata": {