<?xml version="1.0" encoding="utf-8" standalone="no"?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg xmlns="http://www.w3.org/2000/svg" xmlns:xl="http://www.w3.org/1999/xlink" version="1.1" viewBox="162 59 594 567" width="594pt" height="567pt" xmlns:dc="http://purl.org/dc/elements/1.1/"><metadata> Produced by OmniGraffle 6.0.5 <dc:date>2017-12-01 08:39Z</dc:date></metadata><defs><font-face font-family="STIXGeneral" font-size="20" units-per-em="1000" underline-position="-227" underline-thickness="31" slope="-816.5001" x-height="428" cap-height="653" ascent="1055.00214" descent="-455.00092" font-style="italic" font-weight="500"><font-face-src><font-face-name name="STIXGeneral-Italic"/></font-face-src></font-face><marker orient="auto" overflow="visible" markerUnits="strokeWidth" id="FilledArrow_Marker" viewBox="-1 -3 6 6" markerWidth="6" markerHeight="6" color="#9a9a9a"><g><path d="M 3.7333333 0 L 0 -1.4 L 0 1.4 Z" fill="currentColor" stroke="currentColor" stroke-width="1"/></g></marker><font-face font-family="Helvetica Neue" font-size="20" panose-1="2 0 8 3 0 0 0 9 0 4" units-per-em="1000" underline-position="-100" underline-thickness="50" slope="0" x-height="517" cap-height="714" ascent="975.0061" descent="-216.99524" font-weight="bold"><font-face-src><font-face-name name="HelveticaNeue-Bold"/></font-face-src></font-face><font-face font-family="Helvetica Neue" font-size="21" panose-1="2 0 5 3 0 0 0 2 0 4" units-per-em="1000" underline-position="-100" underline-thickness="50" slope="0" x-height="517" cap-height="714" ascent="951.99585" descent="-212.99744" font-weight="500"><font-face-src><font-face-name name="HelveticaNeue"/></font-face-src></font-face><font-face font-family="STIXGeneral" font-size="21" units-per-em="1000" underline-position="-227" underline-thickness="31" slope="-777.61913" x-height="428" cap-height="653" ascent="1055.00214" descent="-455.00092" font-style="italic" font-weight="500"><font-face-src><font-face-name name="STIXGeneral-Italic"/></font-face-src></font-face><font-face font-family="STIXGeneral" font-size="19" units-per-em="1000" underline-position="-227" underline-thickness="31" slope="-859.4738" x-height="428" cap-height="653" ascent="1055.00214" descent="-455.00092" font-style="italic" font-weight="500"><font-face-src><font-face-name name="STIXGeneral-Italic"/></font-face-src></font-face><font-face font-family="STIXGeneral" font-size="19" units-per-em="1000" underline-position="-227" underline-thickness="66" slope="0" x-height="450" cap-height="662" ascent="1055.00214" descent="-455.00092" font-weight="500"><font-face-src><font-face-name name="STIXGeneral-Regular"/></font-face-src></font-face></defs><g stroke="none" stroke-opacity="1" stroke-dasharray="none" fill="none" fill-opacity="1"><title>神经网络</title><g><title>Layer 1</title><circle cx="312.32677" cy="437.85433" r="32.500052" fill="#d5c0ff"/><circle cx="312.32677" cy="437.85433" r="32.500052" stroke="#695f7e" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><circle cx="312.32677" cy="581.58662" r="32.500052" fill="#bfeaff"/><circle cx="312.32677" cy="581.58662" r="32.500052" stroke="#5f747e" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(288.32677 566.58662)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="9.56" y="21" textLength="28.88">x_2</tspan></text><circle cx="312.32677" cy="232.15354" r="32.500052" fill="#ffd6d8"/><circle cx="312.32677" cy="232.15354" r="32.500052" stroke="#5f7e69" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(288.32677 217.15354)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="9.56" y="21" textLength="28.88">y_2</tspan></text><circle cx="207.32677" cy="232.15354" r="32.500052" fill="#ffd6d8"/><circle cx="207.32677" cy="232.15354" r="32.500052" stroke="#5f7e69" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(183.32677 217.15354)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="9.56" y="21" textLength="28.88">y_0</tspan></text><circle cx="207.32677" cy="581.58662" r="32.500052" fill="#bfeaff" fill-opacity=".8"/><circle cx="207.32677" cy="581.58662" r="32.500052" stroke="#5f747e" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(183.32677 566.58662)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="9.56" y="21" textLength="28.88">x_1</tspan></text><circle cx="207.32677" cy="437.85433" r="32.500052" fill="#d5c0ff" fill-opacity=".8"/><circle cx="207.32677" cy="437.85433" r="32.500052" stroke="#695f7e" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><circle cx="473.78347" cy="581.58662" r="32.500052" fill="#bfeaff"/><circle cx="473.78347" cy="581.58662" r="32.500052" stroke="#5f747e" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(449.78347 566.58662)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="9.56" y="21" textLength="28.88">x_n</tspan></text><rect x="180.33071" y="313.22835" width="322.95276" height="44.811023" fill="#ffec8a"/><rect x="180.33071" y="313.22835" width="322.95276" height="44.811023" stroke="#5f7e69" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(182.33071 320.63386)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="127.24638" y="21" textLength="64.46">Softmax</tspan></text><circle cx="467.02756" cy="232.06693" r="32.500052" fill="#ffd6d8"/><circle cx="467.02756" cy="232.06693" r="32.500052" stroke="#5f7e69" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(443.02756 217.06693)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="7.34" y="21" textLength="33.32">y_m</tspan></text><circle cx="473.32284" cy="437.85433" r="32.500052" fill="#d5c0ff"/><circle cx="473.32284" cy="437.85433" r="32.500052" stroke="#695f7e" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><line x1="207.53024" y1="404.85494" x2="207.72086" y2="373.93907" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="207.32676" y1="548.5866" x2="207.32676" y2="486.75435" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="312.32676" y1="548.5866" x2="312.32676" y2="486.75435" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="473.68325" y1="548.58675" x2="473.49546" y2="486.75404" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="473.11448" y1="404.85497" x2="472.91929" y2="373.93906" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="312.1168" y1="404.85498" x2="311.92007" y2="373.93905" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="205.8189" y1="312.03937" x2="206.40393" y2="281.04489" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="311.82677" y1="312.57482" x2="312.02275" y2="281.05262" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="468.52756" y1="312.57482" x2="467.9385" y2="280.9585" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="292.85776" y1="554.9359" x2="236.17501" y2="477.34407" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="444.7321" y1="565.9156" x2="250.37242" y2="461.07324" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="336.94445" y1="559.60872" x2="436.84423" y2="470.4213" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="226.79579" y1="554.9359" x2="283.47854" y2="477.34407" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="236.36684" y1="565.89467" x2="430.29435" y2="461.105" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><line x1="449.13498" y1="559.64322" x2="348.85352" y2="470.36736" marker-end="url(#FilledArrow_Marker)" stroke="#9a9a9a" stroke-linecap="round" stroke-linejoin="round" stroke-width="3"/><circle cx="310.83071" cy="103.452757" r="32.500052" fill="#c2ffc4"/><circle cx="310.83071" cy="103.452757" r="32.500052" stroke="#5f7e69" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(286.83071 88.452757)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="8.99" y="21" textLength="30.02">a_2</tspan></text><circle cx="205.83071" cy="103.452757" r="32.500052" fill="#c2ffc4"/><circle cx="205.83071" cy="103.452757" r="32.500052" stroke="#5f7e69" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(181.83071 88.452757)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="8.99" y="21" textLength="30.02">a_0</tspan></text><circle cx="465.5315" cy="103.36614" r="32.500052" fill="#c2ffc4"/><circle cx="465.5315" cy="103.36614" r="32.500052" stroke="#5f7e69" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(441.5315 88.36614)" fill="black"><tspan font-family="STIXGeneral" font-size="20" font-style="italic" font-weight="500" x="6.77" y="21" textLength="34.46">a_m</tspan></text><text transform="translate(371.41733 91.03937)" fill="black"><tspan font-family="Helvetica Neue" font-size="20" font-weight="bold" x="3.2771656" y="20" textLength="27.8">. . .</tspan></text><text transform="translate(372.5 219.59843)" fill="black"><tspan font-family="Helvetica Neue" font-size="20" font-weight="bold" x="3.2771656" y="20" textLength="27.8">. . .</tspan></text><text transform="translate(376.08662 421.10237)" fill="black"><tspan font-family="Helvetica Neue" font-size="20" font-weight="bold" x="3.2771656" y="20" textLength="27.8">. . .</tspan></text><text transform="translate(375.87796 569.08662)" fill="black"><tspan font-family="Helvetica Neue" font-size="20" font-weight="bold" x="3.2771656" y="20" textLength="27.8">. . .</tspan></text><text transform="translate(589.35434 572.08662)" fill="black"><tspan font-family="Helvetica Neue" font-size="21" font-weight="500" x=".1925" y="20" textLength="27.615">s_t</tspan></text><text transform="translate(597.35434 499.73623)" fill="#262626"><tspan font-family="STIXGeneral" font-size="21" font-style="italic" font-weight="500" fill="#262626" x="0" y="22" textLength="10.08">θ</tspan></text><text transform="translate(542 222.3504)" fill="#262626"><tspan font-family="STIXGeneral" font-size="19" font-style="italic" font-weight="500" fill="#262626" x="0" y="20" textLength="57.152">y_t = P</tspan><tspan font-family="STIXGeneral" font-size="19" font-weight="500" fill="#262626" x="57.152" y="20" textLength="6.327">(</tspan><tspan font-family="STIXGeneral" font-size="19" font-style="italic" font-weight="500" fill="#262626" x="63.479" y="20" textLength="61.199">a_t | s_t</tspan><tspan font-family="STIXGeneral" font-size="19" font-weight="500" fill="#262626" x="124.678" y="20" textLength="9.5">, </tspan><tspan font-family="STIXGeneral" font-size="19" font-style="italic" font-weight="500" fill="#262626" x="134.178" y="20" textLength="9.12">θ</tspan><tspan font-family="STIXGeneral" font-size="19" font-weight="500" fill="#262626" x="143.298" y="20" textLength="6.327">)</tspan></text><text transform="translate(501.97638 152.90158)" fill="#262626"><tspan font-family="STIXGeneral" font-size="19" font-style="italic" font-weight="500" fill="#262626" x="0" y="20" textLength="131.024">-log(y_t) = -logP</tspan><tspan font-family="STIXGeneral" font-size="19" font-weight="500" fill="#262626" x="131.024" y="20" textLength="6.327">(</tspan><tspan font-family="STIXGeneral" font-size="19" font-style="italic" font-weight="500" fill="#262626" x="137.351" y="20" textLength="61.199">a_t | s_t</tspan><tspan font-family="STIXGeneral" font-size="19" font-weight="500" fill="#262626" x="198.55" y="20" textLength="9.5">, </tspan><tspan font-family="STIXGeneral" font-size="19" font-style="italic" font-weight="500" fill="#262626" x="208.05" y="20" textLength="9.12">θ</tspan><tspan font-family="STIXGeneral" font-size="19" font-weight="500" fill="#262626" x="217.17" y="20" textLength="6.327">)</tspan></text><text transform="translate(271.4567 154.73622)" fill="#262626"><tspan font-family="STIXGeneral" font-size="19" font-style="italic" font-weight="500" fill="#262626" x="0" y="20" textLength="171.171">CROSS ENTROPY =</tspan></text><path d="M 510.65355 515.65355 L 528.9232 507.65355 L 528.9232 512.30024 L 566.08468 512.30024 L 566.08468 507.65355 L 584.35434 515.65355 L 566.08468 523.65355 L 566.08468 519.00685 L 528.9232 519.00685 L 528.9232 523.65355 Z" fill="white"/><path d="M 510.65355 515.65355 L 528.9232 507.65355 L 528.9232 512.30024 L 566.08468 512.30024 L 566.08468 507.65355 L 584.35434 515.65355 L 566.08468 523.65355 L 566.08468 519.00685 L 528.9232 519.00685 L 528.9232 523.65355 Z" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><path d="M 510.4882 586.26772 L 528.75785 578.26772 L 528.75785 582.9144 L 565.91932 582.9144 L 565.91932 578.26772 L 584.18898 586.26772 L 565.91932 594.26772 L 565.91932 589.62103 L 528.75785 589.62103 L 528.75785 594.26772 Z" fill="white"/><path d="M 510.4882 586.26772 L 528.75785 578.26772 L 528.75785 582.9144 L 565.91932 582.9144 L 565.91932 578.26772 L 584.18898 586.26772 L 565.91932 594.26772 L 565.91932 589.62103 L 528.75785 589.62103 L 528.75785 594.26772 Z" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/></g></g></svg>