Using plot command interactively - Persian

Questions posted on ST Forums:

• Not getting graph for plot(sin(x)*sin(x)/x

  <span style="color: rgb(31, 31, 31); font-family: &quot;Google Sans&quot;, Roboto, RobotoDraft, Helvetica, Arial, sans-serif; font-size: 22px; font-variant-ligatures: no-contextual;">Not getting graph for plot(sin(x)*sin(x)/x </span><span style="font-family: Arial, Helvetica, sans-serif; font-size: small;">Displayed with Name Error: name 'x' is not defined</span><span style="color: rgb(31, 31, 31); font-family: &quot;Google Sans&quot;, Roboto, RobotoDraft, Helvetica, Arial, sans-serif; font-size: 22px; font-variant-ligatures: no-contextual;"></span><span style="color: rgb(31, 31, 31); font-family: &quot;Google Sans&quot;, Roboto, RobotoDraft, Helvetica, Arial, sans-serif; font-size: 22px; font-variant-ligatures: no-contextual;"></span><span style="color: rgb(31, 31, 31); font-family: &quot;Google Sans&quot;, Roboto, RobotoDraft, Helvetica, Arial, sans-serif; font-size: 22px; font-variant-ligatures: no-contextual;"></span><span style="color: rgb(31, 31, 31); font-family: &quot;Google Sans&quot;, Roboto, RobotoDraft, Helvetica, Arial, sans-serif; font-size: 22px; font-variant-ligatures: no-contextual;"></span>

  10-11M 10-20S Absolute
  
  
  Answer last updated on: June 18, 2024, 12:35 p.m.

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• Sin not defined

  np.linspace(-np.pi,np.pi,100)plt.plot((sin(x)*sin(x))/x)NameError Traceback (most recent call last) Cell In[2], line 2 1 np.linspace(-np.pi,np.pi,100) ----> 2 plt.plot((sin(x)*sin(x))/x) NameError: name 'sin' is not defined

  09-10M 0-10S Atharva_217
  
  
  Answer last updated on: June 18, 2024, 12:24 p.m.

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• Advance Matrix Operator

  please explain U,V Sigma

  04-05M 50-60S 26_nkarankar
  
  
  Answer last updated on: June 18, 2024, 12:09 p.m.

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• plotting command

  I am getting syntax  error while executing linspace command meanwhhile the plot command also not executing.

  11-12M 10-20S vangara
  
  
  Answer last updated on: June 18, 2024, 11:53 a.m.

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• About value

  is this is correct? In [21]: x=linspace(-pi,pi,100)In [22]: plot((sin(x)*sin(x))/x    ...: )Out[22]: [<matplotlib.lines.Line2D at 0x9d513b8>]In [23]:

  08-09M 20-30S pritishataramnevse.1234567890
  
  
  Answer last updated on: May 16, 2024, 12:46 p.m.

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• plot lines

  when I enter my command the figure or the graph doesn't pop up and I am using MacBook Pro with ipython 8.23 and python 3.12

  04-05M 50-60S prisha28
  
  
  Answer last updated on: April 23, 2024, 3:23 p.m.

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• plot lines

  when I enter my command the figure or the graph doesn't pop up and I am using MacBook Pro with ipython 8.23 and python 3.12

  04-05M 50-60S prisha28
  
  
  Answer last updated on: April 23, 2024, 3:22 p.m.

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• plot lines

  when I enter my command the figure or the graph doesn't pop up and I am using MacBook Pro with ipython 8.23 and python 3.12

  04-05M 50-60S prisha28
  
  
  Answer last updated on: April 23, 2024, 3:21 p.m.

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• Assignment

  in python if I am typing the question it is showing NameError: name 'sequence_name' is not defined

  08-09M 10-20S prisha28
  
  
  Answer last updated on: April 23, 2024, 3:19 p.m.

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• command not working

  Plot command is not working, even after including python files.

  04-05M 40-50S Indrajap
  
  
  Answer last updated on: March 10, 2024, 11:56 a.m.

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• Sin not defined
  09-10M 0-10S Atharva_217
  
  
  Answer last updated on: July 24, 2023, 12:47 p.m.

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• Plot command

  I am using windows 11 and jupyter notebook instead of Linux. Graph is not drawing in any case it just showing the x,y coordinates .Name error is occurring most of the times - name 'plot' is not defined, name 't' is not defined, name 'cos' is not defined , name 'sin' is not defined. So I am stuck and I couldn't able to find solution in google.

  04-05M 50-60S Ashith_Raj_K
  
  
  Answer last updated on: April 10, 2023, 4:55 p.m.

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• I an unable to solve the below question.Please help

  Plot (sin(x)*sin(x))/x. 1. Save the plot as sinsquarebyx.pdf 2. Zoom and find the maxima. 3. Bring it back to initial position.

  08-09M 0-10S Partha2003
  
  
  Answer last updated on: Jan. 14, 2023, 12:31 p.m.

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• linspace

  I have imported numpy ,matplotlib while typing 'linspace?' I am getting error:object 'linspace' not foundHow to solved this error Sir?I have tried ipython --pylabafter that I am getting attributeError : 'version_info' object has no attribute '_version_' 

  02-03M 10-20S amkarbrahma9773@gmail.com
  
  
  Answer last updated on: May 31, 2022, 10:38 a.m.

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• How do I install matplotlib .

  How do I install matplotlib pls tell me the 

  03-04M 0-10S Minjal
  
  
  Answer last updated on: Feb. 6, 2022, 6:16 p.m.

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• Exercise 1

  In this question,plot(sin(x)*sin(x))/x.what is the value of x?

  08-09M 0-10S ashna@cek.ac.in
  
  
  Answer last updated on: Jan. 19, 2022, 2:43 p.m.

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• plot command

  I did exactly the same as taught in the tutorial and ran the plot command but I am not able to see the plot.Kindly help me out.....it's showing figure 1 but the plot is not visible , only loading can be seen.

  11-12M 10-20S 20001002020
  
  
  Answer last updated on: Sept. 22, 2021, 12:01 a.m.

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• Exercise question

  How can we solve Exercise 1?

  08-09M 0-10S AnandPatel
  
  
  Answer last updated on: May 6, 2021, 11:42 a.m.

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• practice code

  I have problem in running the linspace and plot commands ,even tho I've installed all 3 commands (ipython,numpy,matplotlib).                 It is showing ERROR:name linspace/plot command is not defined....                                                                                                                  please help me out for practicing.        

  02-03M 40-50S pavureddy1234@gmail.com
  
  
  Answer last updated on: April 19, 2021, 11:22 a.m.

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• Import Error: DLL load failed: The specified module could not be found

  Sir/ Madam,While  I am entering "import matplotlib" command in ipython3, it shows the following:Microsoft Windows [Version 10.0.17134.1667](c) 2018 Microsoft Corporation. All rights reserved.C:\Users\DELL>ipython3Python 3.6.8 (tags/v3.6.8:3c6b436a57, Dec 24 2018, 00:16:47) [MSC v.1916 64 bit (AMD64)]Type 'copyright', 'credits' or 'license' for more informationIPython 7.16.1 -- An enhanced Interactive Python. Type '?' for help.In [1]: import numpyIn [2]: import matplotlib---------------------------------------------------------------------------ImportError                               Traceback (most recent call last)<ipython-input-2-0484cd13f94d> in <module>----> 1 import matplotlibc:\users\dell\appdata\local\programs\python\python36\lib\site-packages\matplotlib\__init__.py in <module>    172    173--> 174 _check_versions()    175    176c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\matplotlib\__init__.py in _check_versions()    157     # Quickfix to ensure Microsoft Visual C++ redistributable    158     # DLLs are loaded before importing kiwisolver--> 159     from . import ft2font    160    161     for modname, minver in [ImportError: DLL load failed: The specified module could not be found.Ultimately  I am unable to run %pylab.

  01-02M 50-60S tsan.chou1993@gmail.com
  
  
  Answer last updated on: March 29, 2021, 11:55 a.m.

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• some lib function is not working

  i am using Python 3.4.3 windows 64 bit based, linspace(), len(), clf() function are not working in this version. how to do these function in python 3.4.3 version?

  05-06M 10-20S rajendaras@yahoo.co.in
  
  
  Answer last updated on: Nov. 6, 2020, 9:13 a.m.

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• Unable to run "pylab"

  DLL Import Failed: Specific Module not foundDear Sir/Ma'am, Its showing this kind of error when running command %pylab in ipython interface.I also installed the C++ Microsoft file from the link given in the installation sheet but its not working.Kindly give some solution to this.

  01-02M 10-20S sourav44verma
  
  
  Answer last updated on: Nov. 5, 2020, 10:02 a.m.

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• don't show figure when i run code

   t=linspace(-pi,pi,100) plot(t,cos(t)) -->TCL ERROR couldn't open "/usr/share/matplotlib/mpl-data/images/matplotlib.ppm": no such file or  directory.     please help me. sir/maim

  06-07M 50-60S divesh7923
  
  
  Answer last updated on: Sept. 7, 2020, 9:51 p.m.

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• tcl error when i run code don't show figure

   t=linspace(-pi,pi,100) plot(t,cos(t)) -->TCL ERROR couldn't open "/usr/share/matplotlib/mpl-data/images/matplotlib.ppm": no such file or  directory.     please help me. sir/maim

  04-05M 50-60S divesh7923
  
  
  Answer last updated on: Sept. 7, 2020, 9:48 p.m.

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• Unable to solve Exercise 1

  Hi I am unable to solve Exercise 1: plot(sin(x)*sin(x))*xPlease help me with the solution

  08-09M 0-10S Kaustabh3
  
  
  Answer last updated on: June 5, 2020, 2:22 p.m.

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• Finding Maxima on graph

  how to find maxima in plotted graph? sin sq fn?difference between plot(sin(s)*sin(s))/s and plot((sin(s)*sin(s))/s)two different graphs which one is correct

  02-03M 10-20S mumthaj89
  
  
  Answer last updated on: May 13, 2020, 2:02 p.m.

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• Installing Pylab

  I am using ubuntu 18.04. installed latest version of python 3.7 version. done all sorts of installing pylab but its always giving an error "ModuleNotFoundError:  no module named matplotlib". please help

  02-03M 0-10S akhilesh.thool@gmail.com
  
  
  Answer last updated on: May 6, 2020, 1:12 p.m.

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• plot() function error

  Throwing error for x value not found

  08-09M 10-20S thirukumar
  
  
  Answer last updated on: May 2, 2020, 6:01 p.m.

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• plot(sin(t)*sin(t))/t

  before executing plot(sin(t)*sin(t))/t it clear using clf()and the execute this command plot(sin(t)*sin(t))/t

  08-09M 10-20S anjalideore13@gmail.com
  
  
  Answer last updated on: April 27, 2020, 9:48 p.m.

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• Sin(x) assignment at 8:13

  Explain in detail sin(x) assignment and concept of finding maxima 

  08-09M 10-20S meghna_bhatia
  
  
  Answer last updated on: April 23, 2020, 11:47 a.m.

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• error while plotting plot(sin(x)*sin(x))/x

  x = linspace(1,100, 50)plot(sin(x)*sin(x))/xwhen i tried to plot this it shows a graph but comes in with a no of errorlikeTypeError: unsupported operand type(s) for /: 'Line2D' and 'float'how to solve this issue

  06-07M 10-20S varuntk
  
  
  Answer last updated on: April 22, 2020, 11:15 a.m.

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• Plot (sin(x)*sin(x))/x

  It gives an error "name 'x' is not defined."I used the command -- plot(x, (sin(x)*sin(x))/x)

  08-09M 10-20S sakshithakur18@gmail.com
  
  
  Answer last updated on: April 22, 2020, 10:11 a.m.

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• Exercise 1:

  (sin(x)*sin(x))/x not executed..please explain

  08-09M 20-30S madhurigawali31@gmail.com
  
  
  Answer last updated on: April 21, 2020, 6:27 p.m.

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• value of x

  what is the value of x should setif i assign same as t it shows error in cmd window 

  08-09M 20-30S Rajneesh.ch
  
  
  Answer last updated on: April 19, 2020, 11:40 p.m.

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• plot function

  Plot (sin(x)*sin(x))/xwhen i am executing this i am getting a message that name 'x' is not defined.will you please tell me what is the mistake

  05-06M 20-30S Hema1122
  
  
  Answer last updated on: April 12, 2020, 2:29 p.m.

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• plot function

  i am not getting a smooth curve on executing the plot function for sin and for cos.will you explain me why.

  05-06M 20-30S Hema1122
  
  
  Answer last updated on: April 12, 2020, 2:27 p.m.

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• plot function

  i am not getting a smooth curve on executing the plot function for sin and for cos.will you explain me why.

  05-06M 20-30S Hema1122
  
  
  Answer last updated on: April 12, 2020, 12:37 p.m.

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• DLL load failed

  when i m try to run %pylab , the interpreter showing DLL load failed error

  02-03M 0-10S Cms
  
  
  Answer last updated on: June 22, 2019, 2:01 p.m.

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• plot

  what is the difference between plot() command in python, plot() command in R programming, i think both are working same manner?it looks all commands in python are same as in R-programming sir? then which language i have to prefer, either R-programming or Python for mathematics computations ,data analysis etc .?

  09-10M 10-20S G.Shankarr
  
  
  Answer last updated on: June 22, 2019, 1:36 p.m.

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• phyton3-matlablib

  plot (sin(x)*sin(x))/xin this how to define 'x' value?

  08-09M 10-20S anithachirra
  
  
  Answer last updated on: June 22, 2019, 1:20 p.m.

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• Plotting graph

  Hi..I am using Jupyter notepad with python3 online...after plotting the graph i couldnt find maxima for the same..Can anyone help me out of this?

  07-08M 10-20S ANITHAM11
  
  
  Answer last updated on: June 22, 2019, 12:59 p.m.

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• how to install matplotlib in ipython3

  how to install matplotlib in ipython3

  01-02M 0-10S AMITKUMARSHINDE57
  
  
  Answer last updated on: June 22, 2019, 12:39 p.m.

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• Exercise 1

  How to write this command in interpreter

  08-09M 0-10S tdcse
  
  
  Answer last updated on: June 22, 2019, 12:27 p.m.

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• QUERY ON linspace

  For linspace(0,1,200) we get 200 evenly spaced samples.My doubt is how to you determine the points,especially why is it restricted to 8 decimal places

  03-04M 30-40S swetha.ece
  
  
  Answer last updated on: June 22, 2019, 12:27 p.m.

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• error

  plot(sin(x)*sin(x))/xshowing error as " name x is not defined"

  08-09M 20-30S feridoz
  
  
  Answer last updated on: June 22, 2019, 12:14 p.m.

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• Query on matplotlib functions

  Respected sir,In this video, you have shown to plot the functions of sin and cos. Apart from these two, what are the other functions we can plot?

  07-08M 10-20S Vimala.ece
  
  
  Answer last updated on: June 22, 2019, 12:12 p.m.

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• pylab

  how to install pylab

  02-03M 50-60S anithachirra
  
  
  Answer last updated on: June 22, 2019, 12:11 p.m.

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• %pylab function not working

  %pylab function not working.. tried install numpy and also download C++ visual C as suggested in the installation sheet the prob still persists

  01-02M 0-10S Mudakavi
  
  
  Answer last updated on: June 22, 2019, 12:10 p.m.

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• value of x

  what should be the value of x in the given problem i have given the value as x=linspace(-1,1,100) but it is giving the plot with errors

  08-09M 10-20S krutika.chhajed@gmail.com
  
  
  Answer last updated on: June 22, 2019, 12:01 p.m.

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• plotting

  i want to know how does cos(t) and sin(t) differ?

  06-07M 0-10S palak_desai@yahoo.com
  
  
  Answer last updated on: June 22, 2019, 12:01 p.m.

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• Related Plot

  Applied the commandT=LINSPACE(-PI,PI,100)T=PLOT(T,SIN(T)iN THIS CODE, I DRAWN A PLOT, SO i WANT TO KNOW ABOUT THE "Y AXES " VALUES.

  11-12M 10-20S asutosh1984
  
  
  Answer last updated on: June 22, 2019, 11:54 a.m.

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• Diffrent Colour Arguments

  What are the different colors we can use such as green,blue and many more.i wrote 

  02-03M 40-50S kush.patel101140@marwadiuniversity.ac.in
  
  
  Answer last updated on: June 22, 2019, 11:52 a.m.

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• python

  is working on ipython is same as working on python 3.5?how to use pylab (plot library ) on idle python 3.5

  00-01M 0-10S Nigam.1611
  
  
  Answer last updated on: June 22, 2019, 11:30 a.m.

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• Plot commands not working in Ipython

  Dear sir/MadamMatplot commands are not  working in Ipython 

  11-12M 10-20S yksawarkar
  
  
  Answer last updated on: June 22, 2019, 11:25 a.m.

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• plot (sin(x)*sin(x))/x

  question not executed??x is not defined??

  08-09M 10-20S spiccyshakti
  
  
  Answer last updated on: June 22, 2019, 11:22 a.m.

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• python workshop

  Microsoft Windows [Version 10.0.10240](c) 2015 Microsoft Corporation. All rights reserved.C:\\Users\\Admin>ipython3Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 21:26:53) [MSC v.1916 32 bit (Intel)]Type 'copyright', 'credits' or 'license' for more informationIPython 7.5.0 -- An enhanced Interactive Python. Type '?' for help.In [1]:  numpy, matplotlib---------------------------------------------------------------------------NameError                                 Traceback (most recent call last)<ipython-input-1-78cad429aec3> in <module>----> 1 numpy, matplotlibNameError: name 'numpy' is not definedIn [2]: import numpyIn [3]: import matplotlib---------------------------------------------------------------------------ImportError                               Traceback (most recent call last)<ipython-input-3-0484cd13f94d> in <module>----> 1 import matplotlibc:\\users\\admin\\appdata\\local\\programs\\python\\python37-32\\lib\\site-packages\\matplotlib\\__init__.py in <module>    198    199--> 200 _check_versions()    201    202c:\\users\\admin\\appdata\\local\\programs\\python\\python37-32\\lib\\site-packages\\matplotlib\\__init__.py in _check_versions()    192             ("pyparsing", "2.0.1"),    193     ]:--> 194         module = importlib.import_module(modname)    195         if LooseVersion(module.__version__) < minver:    196             raise ImportError("Matplotlib requires {}>={}; you have {}"c:\\users\\admin\\appdata\\local\\programs\\python\\python37-32\\lib\\importlib\\__init__.py in import_module(name, package)    125                 break    126             level += 1--> 127     return _bootstrap._gcd_import(name[level:], package, level)    128    129ImportError: DLL load failed: The specified module could not be found.In [4]: import numpy, matplotlib---------------------------------------------------------------------------ImportError                               Traceback (most recent call last)<ipython-input-4-1ba94c9f5666> in <module>----> 1 import numpy, matplotlibc:\\users\\admin\\appdata\\local\\programs\\python\\python37-32\\lib\\site-packages\\matplotlib\\__init__.py in <module>    198    199--> 200 _check_versions()    201    202c:\\users\\admin\\appdata\\local\\programs\\python\\python37-32\\lib\\site-packages\\matplotlib\\__init__.py in _check_versions()    192             ("pyparsing", "2.0.1"),    193     ]:--> 194         module = importlib.import_module(modname)    195         if LooseVersion(module.__version__) < minver:    196             raise ImportError("Matplotlib requires {}>={}; you have {}"c:\\users\\admin\\appdata\\local\\programs\\python\\python37-32\\lib\\importlib\\__init__.py in import_module(name, package)    125                 break    126             level += 1--> 127     return _bootstrap._gcd_import(name[level:], package, level)    128    129ImportError: DLL load failed: The specified module could not be found.In [5]: import numpy

  01-02M 20-30S Reyana_1985
  
  
  Answer last updated on: June 21, 2019, 4:42 p.m.

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• How to save a graph in windows ??

  There are two ways I tried 1) savefig('C://WINDOWS//SYTEM32'), I tried and executed successfully. But when I tried using as per our regular path like as follows2) savefig('C:\\windows\\system32') it doesnt work.  Can we use path like second method or not???

  01-02M 10-20S rahul.chinchore
  
  
  Answer last updated on: May 25, 2019, 5:47 p.m.

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• Plot (sin(x)*sin(x)) /x.

  Hi , in this question we have only one parameter. By using one parameter how can we plot the given statement. and the '/x' is after the plot argument statement. so how will it works? can you explain

  07-08M 50-60S esthervs
  
  
  Answer last updated on: May 25, 2019, 1:18 p.m.

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• import numpy and matplotlab in ipython3

  Hello Madam/sir,I am unable to import numpy and matplotlab in ipython3 .please solve my problem

  00-01M 0-10S ch.gopikrishnaa
  
  
  Answer last updated on: May 25, 2019, 12:48 p.m.

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• import matplotlib error

  I installed matplotlib but it shows version related message and matplotlib is not import.

  00-01M 40-50S amrendra91
  
  
  Answer last updated on: May 25, 2019, 12:23 p.m.

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