CoCalc Shared Filessupport / 2016-11-30-mesh.ipynb
Author: William A. Stein
Description: Examples for support purposes.
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x, y = var('x y')
plot3d(sin(pi*(x^2+y^2))/sqrt(x^2+y^2),
(x,-1.5,1.5),(y,-1.5,1.5),
mesh=True,color='yellow')

--------------------------------------------------------------------------- AssertionError Traceback (most recent call last) <ipython-input-3-559d0cd4d56b> in <module>() 2 plot3d(sin(pi*(x**Integer(2)+y**Integer(2)))/sqrt(x**Integer(2)+y**Integer(2)), 3 (x,-RealNumber('1.5'),RealNumber('1.5')),(y,-RealNumber('1.5'),RealNumber('1.5')), ----> 4 mesh=True,color='yellow') /projects/sage/sage-7.3/local/lib/python2.7/site-packages/IPython/core/displayhook.pyc in __call__(self, result) 244 self.start_displayhook() 245 self.write_output_prompt() --> 246 format_dict, md_dict = self.compute_format_data(result) 247 self.update_user_ns(result) 248 self.fill_exec_result(result) /projects/sage/sage-7.3/local/lib/python2.7/site-packages/IPython/core/displayhook.pyc in compute_format_data(self, result) 150 151 """ --> 152 return self.shell.display_formatter.format(result) 153 154 def write_format_data(self, format_dict, md_dict=None): /projects/sage/sage-7.3/local/lib/python2.7/site-packages/sage/repl/display/formatter.pyc in format(self, obj, include, exclude) 148 # First, use Sage rich output if there is any 149 PLAIN_TEXT = u'text/plain' --> 150 sage_format, sage_metadata = self.dm.displayhook(obj) 151 assert PLAIN_TEXT in sage_format, 'plain text is always present' 152 if sage_format.keys() != [PLAIN_TEXT]: /projects/sage/sage-7.3/local/lib/python2.7/site-packages/sage/repl/rich_output/display_manager.pyc in displayhook(self, obj) 764 self._backend.set_underscore_variable(obj) 765 plain_text, rich_output = self._rich_output_formatter(obj, dict()) --> 766 return self._backend.displayhook(plain_text, rich_output) 767 768 def display_immediately(self, obj, **rich_repr_kwds): /projects/sage/sage-7.3/local/lib/python2.7/site-packages/sage/repl/rich_output/backend_ipython.pyc in displayhook(self, plain_text, rich_output) 525 from sage.repl.display.jsmol_iframe import JSMolHtml 526 jsmol = JSMolHtml(rich_output, height=500) --> 527 return ({u'text/html': jsmol.iframe(), 528 u'text/plain': plain_text.text.get_unicode(), 529 }, {}) /projects/sage/sage-7.3/local/lib/python2.7/site-packages/sage/repl/display/jsmol_iframe.py in iframe(self) 259 </iframe> 260 """ --> 261 escaped_inner_html = self.inner_html().replace('"', '&quot;') 262 iframe = IFRAME_TEMPLATE.format( 263 script=self.js_script(), /projects/sage/sage-7.3/local/lib/python2.7/site-packages/sage/repl/display/jsmol_iframe.py in inner_html(self) 235 """ 236 return INNER_HTML_TEMPLATE.format( --> 237 script=self.js_script(), 238 width=self._width, 239 height=self._height, /projects/sage/sage-7.3/local/lib/python2.7/site-packages/sage/repl/display/jsmol_iframe.py in js_script(self) 193 """ 194 script = [r"["] --> 195 for line in self.script().splitlines(): 196 script += [r" '{0}',".format(line)] 197 script += [r"].join('\n');"] /projects/sage/sage-7.3/src/sage/misc/cachefunc.pyx in sage.misc.cachefunc.CachedMethodCallerNoArgs.__call__ (/projects/sage/sage-7.3/src/build/cythonized/sage/misc/cachefunc.c:12716)() 2399 if self.cache is None: 2400 f = self.f -> 2401 self.cache = f(self._instance) 2402 return self.cache 2403 /projects/sage/sage-7.3/local/lib/python2.7/site-packages/sage/repl/display/jsmol_iframe.py in script(self) 156 command, obj, meshfile = line.split(' ', 3) 157 assert command == 'pmesh' --> 158 assert meshfile.startswith('"') and meshfile.endswith('"\n') 159 meshfile = meshfile[1:-2] # strip quotes 160 script += [ AssertionError: 
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