{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# The PointPulseTemplate\n", "\n", "The `PointPulseTemplate`(or short `PointPT`) can be understood as a specialization of the `TablePulseTemplate`. It restricts the channels to all having the same time points in their entries and the same expression for their voltages.\n", "\n", "Let us first have a look at an simple example: " ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "{'A', 'B'}\n" ] } ], "source": [ "from qupulse.pulses import PointPT\n", "\n", "point_template = PointPT([(0, 'v_0'),\n", " (1, 'v_1', 'linear'),\n", " ('t', 'v_0+v_1', 'jump')],\n", " channel_names=('A', 'B'))\n", "\n", "print(point_template.defined_channels)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "As you can see the pulse template has two channels although we only provided one expression for the voltage per time point. The value of this expression can either be scalar as we will see now for `v_0` or be a `numpy` array of the same length as the number of channels is like `v_1`. A value of the wrong length will result in an exception." ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [ { "data": { "application/javascript": [ "/* Put everything inside the global mpl namespace */\n", "window.mpl = {};\n", "\n", "\n", "mpl.get_websocket_type = function() {\n", " if (typeof(WebSocket) !== 'undefined') {\n", " return WebSocket;\n", " } else if (typeof(MozWebSocket) !== 'undefined') {\n", " return MozWebSocket;\n", " } else {\n", " alert('Your browser does not have WebSocket support.' +\n", " 'Please try Chrome, Safari or Firefox ≥ 6. ' +\n", " 'Firefox 4 and 5 are also supported but you ' +\n", " 'have to enable WebSockets in about:config.');\n", " };\n", "}\n", "\n", "mpl.figure = function(figure_id, websocket, ondownload, parent_element) {\n", " this.id = figure_id;\n", "\n", " this.ws = websocket;\n", "\n", " this.supports_binary = (this.ws.binaryType != undefined);\n", "\n", " if (!this.supports_binary) {\n", " var warnings = document.getElementById(\"mpl-warnings\");\n", " if (warnings) {\n", " warnings.style.display = 'block';\n", " warnings.textContent = (\n", " \"This browser does not support binary websocket messages. \" +\n", " \"Performance may be slow.\");\n", " }\n", " }\n", "\n", " this.imageObj = new Image();\n", "\n", " this.context = undefined;\n", " this.message = undefined;\n", " this.canvas = undefined;\n", " this.rubberband_canvas = undefined;\n", " this.rubberband_context = undefined;\n", " this.format_dropdown = undefined;\n", "\n", " this.image_mode = 'full';\n", "\n", " this.root = $('
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