Question

在混合物密度网络中，有一个函数可以对多个预测进行采样，即：

y_test = model.predict(x_test)
y_samples = np.apply_along_axis(mdn.sample_from_output, 1, y_test, OUTPUT_DIMS, N_MIXES, temp=1.0)

因此，此函数仅返回一个样本，而我应获取样本数= N_MIXES。关于如何获取多个样本有任何想法吗？

Answer 1

在init.py的第251行，改成这样：

TID: [-1234] [] [2021-02-01 17:13:47,683] [85d31877-3090-4139-9efb-d40f85c2e2eb] DEBUG {org.wso2.carbon.identity.authenticator.emailotp.EmailOTPAuthenticator}
    - OTP Expiration Time not specified default value will be used
 TID: [-1234] [] [2021-02-01 17:13:47,684] [85d31877-3090-4139-9efb-d40f85c2e2eb] ERROR {org.wso2.carbon.identity.application.authentication.framework.handler.request.impl.DefaultRequestCoordinator}
    - Exception in Authentication Framework java.lang.NullPointerException
                at org.wso2.carbon.identity.application.authentication.framework.AbstractApplicationAuthenticator.publishAuthenticationStepAttempt(AbstractApplicationAuthenticator.java:170)
                at org.wso2.carbon.identity.application.authentication.framework.AbstractApplicationAuthenticator.process(AbstractApplicationAuthenticator.java:94)
                at org.wso2.carbon.identity.authenticator.emailotp.EmailOTPAuthenticator.process(EmailOTPAuthenticator.java:139)
                at org.wso2.carbon.identity.application.authentication.framework.handler.step.impl.DefaultStepHandler.doAuthentication(DefaultStepHandler.java:506)
                at org.wso2.carbon.identity.application.authentication.framework.handler.step.impl.DefaultStepHandler.handleResponse(DefaultStepHandler.java:480)
                at org.wso2.carbon.identity.application.authentication.framework.handler.step.impl.DefaultStepHandler.handle(DefaultStepHandler.java:179)
                at org.wso2.carbon.identity.application.authentication.framework.handler.sequence.impl.DefaultStepBasedSequenceHandler.handle(DefaultStepBasedSequenceHandler.java:185) er} - 
Error occurred while getting claims for user: tanoj123@carbon.super from userstore. org.wso2.carbon.user.core.UserStoreException: 30007 - UserNotFound: 
User tanoj123 does not exist in: PRIMARY
            at org.wso2.carbon.user.core.common.AbstractUserStoreManager.callSecure(AbstractUserStoreManager.java:205)
            at org.wso2.carbon.user.core.common.AbstractUserStoreManager.getUserClaimValues(AbstractUserStoreManager.java:1758)
            at org.wso2.carbon.identity.openidconnect.DefaultOIDCClaimsCallbackHandler.getUserClaimsInLocalDialect(DefaultOIDCClaimsCallbackHandler.java:466)
            at org.wso2.carbon.identity.openidconnect.DefaultOIDCClaimsCallbackHandler.getUserClaimsInOIDCDialect(DefaultOIDCClaimsCallbackHandler.java:420)
            at org.wso2.carbon.identity.openidconnect.DefaultOIDCClaimsCallbackHandler.retrieveClaimsForLocalUser(DefaultOIDCClaimsCallbackHandler.java:296)
            at org.wso2.carbon.identity.openidconnect.DefaultOIDCClaimsCallbackHandler.getUserClaimsInOIDCDialect(DefaultOIDCClaimsCallbackHandler.java:146)
            at org.wso2.carbon.identity.openidconnect.DefaultOIDCClaimsCallbackHandler.handleCustomClaims(DefaultOIDCClaimsCallbackHandler.java:85)
            at org.wso2.carbon.apimgt.keymgt.token.APIMJWTGenerator.populateCustomClaims_aroundBody4(APIMJWTGenerator.java:166)
            at org.wso2.carbon.apimgt.keymgt.token.APIMJWTGenerator.populateCustomClaims(APIMJWTGenerator.java:156)
            at org.wso2.carbon.apimgt.keymgt.token.APIMJWTGenerator.buildBody_aroundBody2(APIMJWTGenerator.java:95)
            at org.wso2.carbon.apimgt.keymgt.token.APIMJWTGenerator.buildBody(APIMJWTGenerator.java:92)
            at org.wso2.carbon.apimgt.keymgt.token.APIMJWTGenerator.generateJWT_aroundBody0(APIMJWTGenerator.java:69)
            at org.wso2.carbon.apimgt.keymgt.token.APIMJWTGenerator.generateJWT(APIMJWTGenerator.java:60)
            at org.wso2.carbon.apimgt.keymgt.util.APIMTokenIssuerUtil.generateToken_aroundBody4(APIMTokenIssuerUtil.java:210)
            at org.wso2.carbon.apimgt.keymgt.util.APIMTokenIssuerUtil.generateToken(APIMTokenIssuerUtil.java:173)
            at org.wso2.carbon.apimgt.keymgt.issuers.APIMTokenIssuer.accessToken_aroundBody0(APIMTokenIssuer.java:102)
            at org.wso2.carbon.apimgt.keymgt.issuers.APIMTokenIssuer.accessToken(APIMTokenIssuer.java:51)
            at org.wso2.carbon.identity.oauth2.token.handlers.grant.AbstractAuthorizationGrantHandler.getNewAccessToken(AbstractAuthorizationGrantHandler.java:491)
            at org.wso2.carbon.identity.oauth2.token.handlers.grant.AbstractAuthorizationGrantHandler.createNewTokenBean(AbstractAuthorizationGrantHandler.java:390)
            at org.wso2.carbon.identity.oauth2.token.handlers.grant.AbstractAuthorizationGrantHandler.generateNewAccessToken(AbstractAuthorizationGrantHandler.java:344)

在第 224 行中将 sample = np.random.multivariate_normal(mus_vector, cov_matrix, n_samp) 作为参数传递为：

n_samp

混合密度网络，MDN

1 个答案: