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First two chapter with modified exercises
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-13
lines changed

2 files changed

+247
-13
lines changed

‎notebook/Python-1.ipynb

Lines changed: 19 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -477,12 +477,27 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 4,
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"metadata": {
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"collapsed": false
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},
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"outputs": [],
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"source": []
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"1157.625\n"
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]
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}
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],
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"source": [
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"from __future__ import division\n",
495+
"p=5 #interest rate\n",
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"A0= 1000 # initial amount\n",
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"T=3 #years\n",
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"A= A0*(1+p/100)**T #final amount\n",
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"print A"
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]
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},
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{
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"cell_type": "markdown",
@@ -738,7 +753,7 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython2",
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"version": "2.7.10"
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"version": "2.7.12"
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}
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},
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"nbformat": 4,

‎notebook/Python-2.ipynb

Lines changed: 228 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -159,8 +159,8 @@
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"source": [
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"C = 41\n",
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"\n",
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"print \"Case 1: \", C == 40\n",
163-
"print \"Case 2: \", C != 40 and C < 41\n",
162+
"print \"Case 1: \", C == 40 \n",
163+
"print \"Case 2: \", C != 40 and C < 41 \n",
164164
"print \"Case 3: \", C != 40 or C < 41\n",
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"print \"Case 4: \", not C == 40\n",
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"print \"Case 5: \", not C > 40\n",
@@ -897,10 +897,55 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 6,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23]\n"
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]
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}
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],
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"source": [
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"n=23\n",
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"m=1\n",
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"l=[]\n",
917+
"while m <= n:\n",
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" l=l+[m]\n",
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" m=m+2\n",
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"print l \n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23]\n"
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]
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}
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],
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"source": [
939+
"n=23\n",
940+
"print range(1,n+1,2) "
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": []
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},
@@ -2142,6 +2187,28 @@
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"somefunc(\"Hello\", [1,2], kwarg1=\"Hi\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"(2, 'frog')\n"
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]
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}
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],
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"source": [
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"def golofunc(*args):#as many arguments I want ** gives a dictionary of arguments\n",
2207+
" print args\n",
2208+
" \n",
2209+
"golofunc(2, \"frog\") "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 76,
@@ -2289,12 +2356,134 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 18,
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"metadata": {
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"collapsed": false
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},
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"outputs": [],
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"source": []
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"1.48671951473e-06\n",
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"2.43896074589e-06\n",
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"3.96129909103e-06\n",
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"6.36982517887e-06\n",
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"1.01408520655e-05\n",
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"1.59837411069e-05\n",
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"2.49424712901e-05\n",
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"3.85351967421e-05\n",
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"5.89430677565e-05\n",
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"8.92616571771e-05\n",
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"0.000133830225765\n",
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"0.000198655471393\n",
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"0.000291946925791\n",
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"0.000424780270551\n",
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"0.000611901930114\n",
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"0.000872682695046\n",
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"0.00123221916847\n",
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"0.00172256893905\n",
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"0.00238408820146\n",
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"0.0032668190562\n",
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"0.00443184841194\n",
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"0.00595253241978\n",
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"0.00791545158298\n",
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"0.0175283004936\n",
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"0.0223945302948\n",
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"0.0539909665132\n",
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"0.0656158147747\n",
2400+
"0.0789501583009\n",
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"0.0940490773769\n",
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"0.110920834679\n",
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"0.129517595666\n",
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"0.149727465636\n",
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"0.171368592048\n",
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"0.194186054983\n",
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"0.217852177033\n",
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"0.241970724519\n",
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"0.266085249899\n",
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"0.312253933367\n",
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"0.381387815461\n",
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"0.368270140303\n",
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"0.266085249899\n",
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"0.241970724519\n",
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"0.217852177033\n",
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"0.194186054983\n",
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"0.171368592048\n",
2432+
"0.149727465636\n",
2433+
"0.129517595666\n",
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"0.110920834679\n",
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"0.0940490773769\n",
2436+
"0.0789501583009\n",
2437+
"0.0656158147747\n",
2438+
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2439+
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2440+
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2441+
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2443+
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2445+
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2446+
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2447+
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2449+
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2451+
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2452+
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2453+
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2454+
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2455+
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2456+
"0.000291946925791\n",
2457+
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2458+
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2459+
"8.92616571771e-05\n",
2460+
"5.89430677565e-05\n",
2461+
"3.85351967421e-05\n",
2462+
"2.49424712901e-05\n",
2463+
"1.59837411069e-05\n",
2464+
"1.01408520655e-05\n",
2465+
"6.36982517887e-06\n",
2466+
"3.96129909103e-06\n",
2467+
"2.43896074589e-06\n",
2468+
"1.48671951473e-06\n"
2469+
]
2470+
}
2471+
],
2472+
"source": [
2473+
"from math import pi, exp, sqrt\n",
2474+
"from __future__ import division\n",
2475+
"from numpy import linspace\n",
2476+
"\n",
2477+
"def gaussian(x,m,s):\n",
2478+
" f=(sqrt(2*pi)*s)**(-1)*exp(-0.5*((x-m)/s)**2)\n",
2479+
" return f\n",
2480+
"values = linspace(-5,5,101)\n",
2481+
"m,s = 0,1\n",
2482+
"for v in values:\n",
2483+
" print gaussian(v,m,s)\n",
2484+
"\n",
2485+
"#print map(gauss,values) #function of a function"
2486+
]
22982487
},
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{
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"cell_type": "markdown",
@@ -2392,7 +2581,8 @@
23922581
"cell_type": "raw",
23932582
"metadata": {},
23942583
"source": [
2395-
"<expression if condition is True> if <condition> else <expression if condition is false>"
2584+
"<expression if condition is True> if <condition> else <expression if condition is false>\n",
2585+
"sqrt(a) if a>=0 else None"
23962586
]
23972587
},
23982588
{
@@ -2409,10 +2599,39 @@
24092599
},
24102600
{
24112601
"cell_type": "code",
2412-
"execution_count": null,
2602+
"execution_count": 19,
24132603
"metadata": {
24142604
"collapsed": false
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},
2606+
"outputs": [
2607+
{
2608+
"data": {
2609+
"text/plain": [
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"True"
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]
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},
2613+
"execution_count": 19,
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"metadata": {},
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"output_type": "execute_result"
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}
2617+
],
2618+
"source": [
2619+
"def H(x):\n",
2620+
" return (1 if x>=0 else 0)\n",
2621+
"\n",
2622+
"def H(x):\n",
2623+
" if x<0:\n",
2624+
" return 0\n",
2625+
" else:\n",
2626+
" return 1"
2627+
]
2628+
},
2629+
{
2630+
"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": []
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}
@@ -2433,7 +2652,7 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython2",
2436-
"version": "2.7.10"
2655+
"version": "2.7.12"
24372656
}
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},
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"nbformat": 4,

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